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ACCULINK 336x E1 NTU

E-18

June 1996

3360-A2-GB20-10

Table E-1

(3 of 4)

SNMP MIB to Front Panel Command Cross-Reference

Front Panel Command

SNMP MIB Object

Test–>Lpbk–>DCLB–>Prt

Test–>Lpbk–>Abort–>DCLB–>Prt

Set IfExtnsTestType for port

n to testFullDuplexLoopBack

Set dsx1LoopbackConfig for port

n to noTest

Test–>Lpbk–>DTLB–>Prt

Test–>Lpbk–>Abort–>DTLB–>Prt

Set IfExtnsTestType for port

n to testLoopDTLB

Set dsx1LoopbackConfig for port

n to noTest

Test–>Ptrns–>Send–>QRSS–>Prt

Test–>Ptrns–>Abort–>Send–>Prt

Set IfExtnsTestType for port

n to testSendQRS

Set IfExtnsTestType for port

n to noTest

Test–>Ptrns–>Send–>32767
Test–>Ptrns–>Abort–>Send–>NET

Set ifExtnsTestType for NET E1 to

testSend32767

Set ifExtnsTestType for NET E1 to

noTest

Test–>Ptrns–>Send–>1in8
Test–>Ptrns–>Abort–>Send–>NET

Set ifExtnsTestType for NET E1 to

testSend1in8

Set dsx1SendCode for NET E1 to

dsx1SendNoCode

Test–>Ptrns–>Send–>511–>Prt

Test–>Ptrns–>Abort–>Send–>Prt

Set IfExtnsTestType for port

n to testSend511

Set IfExtnsTestType for port

n to noTest

Test–>Ptrns–>Mon–>QRSS–>Prt

Test–>Ptrns–>Abort–>Mon–>Prt

Set ifExtnsTestType for port

n to testMonQRSS

Set ifExtnsTestType for port

n to noTest

Test–>Ptrns–>Mon–>511–>Prt

Test–>Ptrns–>Abort–>Mon–>Prt

Set ifExtnsTestType for port

n to testMon511

Set ifExtnsTestType for port

n to noTest

Test–>Ptrns–>Mon–>32767–>NET
Test–>Ptrns–>Abort–>Send–>NET

Set ifExtnsTestType for NET E1 to

testMon32767

Set dsx1SendCode for NET E1 to

dsx1SendNoCode

Cnfig–>Load Cnfig–>Save

Set devConfigAreaCopy to desired choice (Active to Customer1, etc.)

Cnfig–>Activ–>Edit–>DTE–>DTE–>Frame

Set/Display dsx1LineType for DTE E1 to

dsx1E1 or dsxE1-CRC

Cnfig–>Activ–>Edit–>DTE–>DTE–>Coding

Set/Display dsx1LineCoding for DTE E1 to

dsx1HDB3 or dsx1AMI

Cnfig–>Activ–>Edit–>Port–>Prtn->Port Type

Display rs232PortType for port

n to rs422, v35, or X.21

Cnfig–>Activ–>Edit–>Port–>Prt

n–>TxClock

Set/Display rs232SyncPortClockSource for port

n to internal or

external

Cnfig–>Activ–>Edit–>NET–>NET Frame

Set/Display dsx1LineType for NET E1 to

dsx1E1 or dsxE1-CRC

Cnfig–>Activ–>Edit–>NET–>Mgmt Link

Set/Display dsx1Fdl for NET E1 to

dsx1other or dsx1FDL-none

Содержание ACCULINK 3360

Страница 1: ...ry of AT T Any reference to AT T Paradyne is amended to read Paradyne Corporation AREA CODE CHANGE Please note that the area code for Paradyne Corporation in Largo Florida has changed from 813 to 727 For any Paradyne telephone number that appears in this manual with an 813 area code dial 727 instead ...

Страница 2: ...June 1996 ACCULINK 336x E1 Network Termination Unit Operator s Guide Document No 3360 A2 GB20 10 Paradyne Printed on recycled paper ...

Страница 3: ...pied or distributed transmitted transcribed stored in a retrieval system ortranslatedintoanyhumanorcomputerlanguageinanyformorbyanymeans electronic mechanical magnetic manualorotherwise ordisclosedtothirdparties without the express written permission of AT T Paradyne Corporation 8545 126th Avenue North P O Box 2826 Largo Florida 34649 2826 AT T Paradyne Corporation makes no representation or warra...

Страница 4: ...n to the High bit rate Digital Subscriber Line HDSL network 7 When installed in the final configuration the product must comply with the applicable Safety Standards and regulatory requirements of the country in which it is installed If necessary consult with the appropriate regulatory agencies and inspection authorities to ensure compliance 8 A rare phenomenon can create a voltage potential betwee...

Страница 5: ...RT 15 OF THE FCC RULES THESE LIMITS ARE DESIGNED TO PROVIDE REASONABLE PROTECTION AGAINST HARMFUL INTERFERENCE WHEN THE EQUIPMENT IS OPERATED IN A COMMERCIAL ENVIRONMENT THIS EQUIPMENT GENERATES USES AND CAN RADIATE RADIO FREQUENCY ENERGY AND IF NOT INSTALLED AND USED IN ACCORDANCE WITH THE INSTRUCTION MANUAL MAY CAUSE HARMFUL INTERFERENCE TO RADIO COMMUNICATIONS OPERATION OF THIS EQUIPMENT IN A R...

Страница 6: ...tomer Support C O Sack Menendez Custom Brokers Attn Repair Center Customer Support 8545 126th Avenue North Building G Attn Repair Center Largo Florida 34649 8545 126th Avenue North Building G USA Largo Florida 34649 USA Make sure the RMA number is in a visible location on the outside of the shipping carton Out of Warranty If your equipment is out of warranty and you do not have a maintenance suppo...

Страница 7: ... 5 Optional Power Sources 2 5 Cabling Examples 2 8 Power Up Self Test 2 9 3 Operation Overview 3 2 Using the Front Panel 3 2 Displaying Unit Identity 3 8 Displaying LED Conditions 3 10 Selecting the G 703 DTE or Data Port for LED Display 3 11 Changing Configuration Options 3 11 Configuring the E1 NTU for SNMP Management 3 14 Configuring SNMP Traps 3 18 Configuring DS0 Channels 3 20 Selecting the T...

Страница 8: ... and Status 4 3 HDSL Loop Performance 4 5 Performance Reports 4 6 Alarms 4 10 SNMP Traps 4 11 Troubleshooting 4 12 Test Jacks 4 14 Test Commands 4 15 Remote Loopback Tests 4 15 Local Loopback Tests 4 16 Test Patterns 4 21 Lamp Test 4 24 Displaying E1 NTU Test Status 4 25 Appendices A B C D E F G H Glossary Index ...

Страница 9: ... Protocol SNMP if you want your E1 NTU to be managed by an SNMP manager Related Document 7800 A2 GB20 ACCULINK 3100 Series Open Management Application for HP OpenView User s Guide Reference Documents CSA 22 2 No 950 M89 CSA 108 M1983 FCC Part 15 UL 1950 Management Information Base for Network Management of TCP IP Based Internets MIBII RFC 1213 March 1991 Definitions of Managed Objects for the DS1 ...

Страница 10: ...DTE interface the 336x E1 NTUs have one to four EIA 530A synchronous data ports that may be configured for rates of 64 kbps to 1984 kbps The 336x Series consists of a Model 3360 NTU 2 port a Model 3364 NTU 4 port and a Model 3365 NTU 1 port Differences between these models are discussed where applicable throughout this guide Features The E1 NTU optimizes network performance with a wide range of fe...

Страница 11: ...vides an SNMP application that runs on a Hewlett Packard HP OpenView network management platform For more information refer to the ACCULINK 3100 Series Open Management Application for HP OpenView User s Guide The E1 NTU supports the following MIBs MIB II Defines the general objects for use in Transmission Control Protocol Internet Protocol TCP IP internets and provides general information about th...

Страница 12: ...7 button keypad three Function and four directional keys Twelve light emitting diodes LEDs Six test jacks Rear Panel The E1 NTU rear panel contains the connectors and switches required for the operation of the E1 NTU Figures 1 2 1 3 and 1 4 The connectors and switches are described in Table 1 1 F1 F2 F3 OK FAIL TEST SIG1 OOF ALRM NETWORK RXD SIG2 SIG ALRM PDV OOF BPV LCD Lp1 Lp2 In Out In Out HDSL...

Страница 13: ... PORT 1 CLOCK IN CAUTION AUX PORT OR COM PORT MUST NOT BE CONNECTED TO HDSL NETWORK RX SHIELD Figure 1 2 Model 3360 Rear Panel 495 14734 AUX PORT COM PORT POWER HDSL NETWORK 120Ω 75Ω TX RX OPEN EARTH 75Ω 120Ω IN OUT 75Ω G 703 PORT 3 PORT 4 PORT 2 PORT 1 CLOCK IN CAUTION AUX PORT OR COM PORT MUST NOT BE CONNECTED TO HDSL NETWORK RX SHIELD Figure 1 3 Model 3364 Rear Panel ...

Страница 14: ...al or printer or an SNMP management link HDSL NETWORK Provides access to the HDSL network G 703 120Ω Provides a 120 ohm balanced G 703 interface G 703 120Ω 75Ω switch Selects either a 120 ohm balanced G 703 interface the switch is IN or a 75 ohm unbalanced G 703 interface the switch is OUT G 703 75Ω TX RX Provides two BNC connectors Transmit and Receive for a 75 ohm unbalanced G 703 interface G 70...

Страница 15: ...nterface between a High bit rate Digital Subscriber Line HDSL network and the customer s equipment The E1 NTU is connected to the customer s equipment through one of the synchronous data ports PORTs 1 4 or the G 703 DTE port It is connected to the network through the HDSL Network interface The E1 NTU normally operates in conjunction with a Line Termination Unit LTU that is installed in an ACCULINK...

Страница 16: ...ER LAN ROUTER Paradyne Paradyne AAC LTU AAC LTU HDSL HDSL Figure 2 2 Point to Point Application Example LAN ROUTER LAN ROUTER LAN ROUTER 495 14737 NTU Paradyne DSU CSU Paradyne DSU CSU Paradyne LAN ROUTER FRACTIONAL NETWORK AAC LTU E1 E1 HDSL Figure 2 3 Fractional E1 Application Example ...

Страница 17: ...thernet SNMP connectivity Figure 2 6 Daisy chaining the COM port of one device to the AUX port of the other to provide SNMP connectivity Figure 2 7 Remotely managing the E1 NTU through the Facility Data Link FDL or the synchronous data port s Embedded Data Link EDL Figure 2 8 NOTE EDL is only available on 2 port and 4 port E1 NTUs NETWORK LAN ROUTER ETHERNET SNMP SNMP PPP SLIP 495 14738 NTU Parady...

Страница 18: ... NETWORK LAN ROUTER ETHERNET SNMP NMS SNMP PPP 495 14741 LAN ADAPTER SNMP PPP SNMP PPP Paradyne NTU HDSL NTU HDSL Paradyne NTU Paradyne HDSL AAC LTU AAC LTU AAC LTU Figure 2 7 LAN Adapter and Daisy Chaining for SNMP Support LAN ROUTER ETHERNET SNMP FDL EDL SNMP PPP 495 14742 NETWORK LAN ADAPTER NTU Paradyne NTU Paradyne AAC LTU HDSL HDSL AAC LTU Figure 2 8 Remote SNMP Management through FDL EDL ...

Страница 19: ... ac power module Use the following procedures only if you want to use an optional dc power source Using the optional dc power cable the E1 NTU is capable of operating on either a 24 Vdc power source 48 Vdc single source battery or 48 Vdc redundant source batteries for power backup To select the power choose one of the following power supply types Installing the 24 Vdc Power Supply To install the E...

Страница 20: ...lack and red wires to the 48 Vdc return source 2 Connect the green wire to a suitable earth ground 3 Connect the orange and blue wires to the ā48 Vdc input source 4 Cut the white wire off at the outer insulation 5 Plug the power connector into the E1 NTU 1 2 3 4 5 6 BLACK RED GREEN WHITE ORANGE BLUE 48 VDC INPUT 495 14744 X 48 VDC RETURN EARTH GROUND NTU POWER PLUG TO CUSTOMER SUPPLIED BATTERY CAB...

Страница 21: ...48 Vdc return source A 3 Connect the green wire to a suitable earth ground 4 Connect the orange wire to the 48 Vdc input source B 5 Connect the blue wire to the 48 Vdc input source A 6 Cut the white wire off at the outer insulation 7 Plug the power connector into the E1 NTU 1 2 3 4 5 6 BLACK RED GREEN WHITE ORANGE BLUE 48 VDC RETURN B 48 VDC RETURN A EARTH GROUND 48 VDC INPUT B 48 VDC INPUT A 495 ...

Страница 22: ...hen using the 120 ohm interface COM PORT RX SHIELD OPEN COM PORT RX SHIELD OPEN POWER HDSL NETWORK 120Ω G 703 AUX PORT OUT 75Ω 120Ω IN EARTH 75Ω TX RX 75Ω PORT 1 PORT 2 CLOCK IN CAUTION AUX PORT OR COM PORT MUST NOT BE CONNECTED TO HDSL NETWORK PORT 3 PORT 4 PORT 1 PORT 2 CLOCK IN CAUTION AUX PORT OR COM PORT MUST NOT BE CONNECTED TO HDSL NETWORK 495 14746 TO AC POWER MODULE TO DC POWER OPTIONAL 3...

Страница 23: ...ash simultaneously in the pattern twice ON then Off Then the LCD begins to flash characters and numbers in the same pattern alternating with the flashing LEDs 3 If the self test is successful the Passed screen appears for one second the Fail LED turns Off and the OK LED lights F1 Self Test Passed F2 F3 495 14748 OK TEST SIG1 SIG2 OOF NETWORK RXD ALRM SIG ALRM PDV OOF BPV FAIL DTR TXD CTS RTS If th...

Страница 24: ...e s and Access Type s 3 17 Configuring SNMP Traps 3 18 Enabling SNMP Trap Messages 3 18 Selecting the Number of Trap Managers 3 19 Configuring a Destination for SNMP Traps 3 19 Configuring DS0 Channels 3 20 Displaying DS0 Channel Assignments 3 27 Allocating Data Ports 3 28 Block Channel Assignment Method 3 29 Individual Channel Assignment Method 3 30 Allocating DS0 Channels from the G 703 DTE Inte...

Страница 25: ...Panel The E1 NTU front panel Figure 3 1 consists of an LCD a keypad test jacks and 12 LEDs NOTE You can display a graphical representation of the E1 NTU front panel on an attached PC see Appendix G Front Panel Emulation F1 F2 F3 OK FAIL TEST SIG1 OOF ALRM NETWORK RXD SIG2 SIG ALRM PDV OOF BPV LCD Lp1 Lp2 In Out In Out HDSL LINE E1 LINE E1 MON DTR TXD CTS RTS 495 14728 Paradyne KEYPAD TEST JACKS LE...

Страница 26: ...cond line displays options and responses When a response is required select from the options displayed directly above the Function keys F1 F2 F3 make your choice by pressing the corresponding Function key Keypad The 7 button keypad Figure 3 3 enables you to navigate through the menu tree and select choices presented on the second line of the LCD F1 F2 F3 Figure 3 3 Keypad Use the key to move up th...

Страница 27: ...2 F3 Test Jacks Six test jacks are located on the front panel Figure 3 4 These are described in the Test Jacks section in Chapter 4 Maintenance Lp1 Lp2 In Out In Out HDSL NET E1 LINE E1 MON 495 14753 Figure 3 4 Test Jacks LEDs There are twelve LEDs on the E1 NTU front panel The five LEDs on the right Figure 3 5 are shared between the G 703 DTE port and the data ports Refer to the Selecting the G 7...

Страница 28: ...eing received from the network ON A recoverable signal is being received from the network on loop 1 OFF The signal cannot be recovered from the network on loop 1 a Loss of Signal condition exists SIG2 Green Monitors the signal being received from the network ON A recoverable signal is being received from the network on loop 2 OFF The signal cannot be recovered from the network on loop 2 a Loss of ...

Страница 29: ...sts on the received G 703 DTE signal ON An alarm condition LOS LOF EER RAI AIS RMA MFA exists on the received G 703 DTE signal Use the Device Health and Status command to determine the alarm type OFF No alarm condition exists on the G 703 DTE Interface signal PDV Yellow Monitors Pulse Density Violations PDV on the received G 703 DTE signal ON At least one PDV was detected and corrected on the rece...

Страница 30: ...oth ones and zeros are being received from the synchronous data DTE RXD Yellow Monitors activity on interchange circuit BB CCITT 104 Received Data This is data sent to the synchronous data DTE from the data port on the E1 NTU ON Ones are being sent to the synchronous data DTE OFF Zeros are being sent to the synchronous data DTE CYCLING Both ones and zeros are being sent to the synchronous data DTE...

Страница 31: ...isplay the E1 NTU s identity ID 1 From the top level menu screen select Stat F1 E1 HDSL NTU Stat Test Cnfig F2 F3 2 From the Status screen press the key until the ID selection appears on the screen F1 Status HDSL DevHS STest F2 F3 3 Select ID F1 Status TStat LED ID F2 F3 4 The following screens appear in the order listed each time you press the key F1 Identity Ser xxxxxxx F2 F3 F1 Identity Mod xxx...

Страница 32: ...on the screen F1 Control Rel LED ClrReg F2 F3 4 Select CID F1 Control Reset CID DL F2 F3 5 Use the and keys to position the cursor under the desired character You must enter a character before the moves the cursor to the next space to the right F1 CustID xxxxxxxx Up Down Save F2 F3 6 Enter the desired ID Press F1 Up and F2 Down to scroll up and down through the valid characters numbers for the cus...

Страница 33: ... the key until the LED selection appears on the screen F1 Status HDSL DevHS STest F2 F3 3 From the Status screen select LED F1 Status Perf TStat LED F2 F3 4 From the Select LEDs screen press the Function key that corresponds to E1 or the port for which you want to display LEDs Use the scroll keys if necessary F1 Select LEDs E1 Prt1 Prt2 F2 F3 If you chose E1 the LED Display screen lists the LED si...

Страница 34: ...ared LEDs Select a particular data port to monitor the data port s DTR TXD RXD CTS and RTS control signals on the shared LEDs Changing Configuration Options The E1 NTU is an intelligent device that displays only valid options for the current configuration Therefore you are only presented with menu choices that are consistent with the current configuration and operational state of the E1 NTU invali...

Страница 35: ...ing Editing Configuration Options To display edit configuration options 1 From the top level menu screen select Cnfig F1 E1 HDSL NTU Stat Test Cnfig F2 F3 2 Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if necessary F1 Load from Activ Cust1 F2 F3 3 Select Edit F1 Choose Funct Edit Save F2 F3 4 From the Edit screen sele...

Страница 36: ... to Activ Cust1 F2 F3 Selecting Copying to a Specific Port For the E1 NTU you have the capability of selecting a specific port to configure and then for 2 port and 4 port E1 NTUs copying the configuration options from that port to another port or to all ports NOTE The following procedure is an example only Screen displays may vary depending on the model and configuration of the E1 NTU To select a ...

Страница 37: ...ation Base MIB Configure the device to send traps to the SNMP manager if desired Selecting the Port The SNMP manager or network device e g a router can be directly connected to the communications COM port An external LAN Adapter can be connected to either the COM port or the auxiliary AUX port to provide Ethernet or Token Ring connectivity Also the E1 NTU can be daisy chained together by connectin...

Страница 38: ...reen select Cnfig 2 Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if necessary 3 Select Edit 4 From the Edit screen press the key until the SNMP selection appears on the screen 5 Select SNMP F1 Edit User Alarm SNMP F2 F3 6 From the SNMP Config screen select Gen F1 SNMP Config Gen Trap F2 F3 7 Press F1 Next until the Co...

Страница 39: ...ber and the elapsed time Full negotiation of escape characters The E1 NTU implementation of PPP does not support Link Quality Reports LQR compression encryption Password Authentication Protocol PAP or Challenge Authentication Protocol CHAP The E1 NTU implementation of SLIP supports a fixed MRU size of 1006 bytes Before selecting the protocol you must first select the port to be used as the communi...

Страница 40: ...n select Gen F1 SNMP Config Gen Trap F2 F3 7 Press F1 Next until the CommunityName1 configuration option appears 8 Press F2 Edit to edit the community name The factory default community name is public F1 CommunityName1 Next Edit Clear F2 F3 NOTE Steps 9 and 10 describe the process for entering text strings for SNMP configuration options This process applies to entering any text strings into SNMP c...

Страница 41: ... Trap configuration option must be enabled for trap messages to be sent over the communications link You must specify the number of SNMP managers that are to receive traps from this device an IP address for each SNMP manager specified and the type of traps to be sent from this device For more information refer to Appendix C Configuration Options and the SNMP Traps section in Chapter 4 Maintenance ...

Страница 42: ...um Trap Mgrs 1 Next 1 2 F2 F3 Configuring a Destination for SNMP Traps A destination must be configured for each SNMP trap manager specified This configuration option is displayed for the number of trap managers specified by the Number of Trap Managers configuration option To configure an IP address for the SNMP trap manager 1 From the top level menu screen select Cnfig 2 Select the configuration ...

Страница 43: ... automatically be assigned to N16 and the G 703 DTE DS0 channels allocated to the network must be directly connected to the corresponding channel e g D1 to N1 D2 to N2 etc To allocate DS0 channels begin by defining the logical channel configuration for the network interface and then the G 703 DTE interface and then any ports if desired See Figures 3 6 and 3 8 for examples of conceptual diagrams of...

Страница 44: ...N27 N28 N29 N30 N31 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 PRT 1 PRT 2 PRT 3 PRT 4 PORTS G 703 DTE INTERFACE NETWORK INTERFACE 496 14880 AUTOMATIC ALLOCATION N1 D1 N2 D2 ETC Figure 3 6 Example of Channel Allocation with TS16 Reserved for Common Channel Signaling ...

Страница 45: ...N30 Prt2 N31 Prt3 Allocations D1 D31 indicates allocation to DTE G 703 channels Prt1 Prt4 indicates allocation to synchronous data ports G 703 DTE Interface G 703 Channel Allocation D1 N1 D2 N2 D3 N3 D4 N4 D5 N5 D6 D7 D8 D9 D10 N10 D11 N11 D12 N12 D13 N13 D14 D15 D16 N16 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 Allocations N1 N31 indicates allocation to network channels Figure 3...

Страница 46: ...N20 N21 N22 N23 N24 N25 N26 N27 N28 N29 N30 N31 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 PRT 1 PRT 2 PRT 3 PRT 4 PORTS G 703 DTE INTERFACE NETWORK INTERFACE 496 14879 Figure 3 8 Example of Channel Allocation with TS16 Available for Data ...

Страница 47: ...t2 N29 Prt2 N30 Prt2 N31 Prt3 Allocations D1 D31 indicates allocation to DTE G 703 channels Prt1 Prt4 indicates allocation to synchronous data ports G 703 DTE Interface G 703 Channel Allocation D1 N1 D2 N2 D3 N3 D4 N4 D5 N6 D6 D7 D8 D9 D10 N10 D11 N11 D12 N12 D13 N13 D14 D15 D16 N14 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 Allocations N1 N31 indicates allocation to network chann...

Страница 48: ...r Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select Multiple P 2 Assign To NET DTE Prt1 Prt3 Prt4 P 2 Assign By Block Chan Port 2 If Assign By Block Port Rate Nx64 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 NOTE If time slot 16 is reserved for signaling the hi...

Страница 49: ... Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select Multiple P 4 Assign To NET DTE Prt1 Prt2 Prt3 P 4 Assign By Block Chan Port 4 If Assign By Block Port Rate Nx64 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 NOTE If time slot 16 is reserved for signaling t...

Страница 50: ... The DS0 channel is allocated to the network interface DS0 channel n where n can be any number from 1 through 31 Dn The DS0 channel is allocated to the G 703 DTE interface DS0 channel n where n can be any number from 1 through 31 To display the DS0 channel allocation 1 From the top level menu screen select Cnfig 2 Select the configuration option set to be copied into the Edit area by using the app...

Страница 51: ...ide enough bandwidth based on the port s data rate are displayed on the screen These channels are automatically assigned to the destination E1 interface HDSL or G 703 DTE when the initial DS0 channel is selected Chan Individually selects the DS0 channels to allocate to the data port The data port rate is automatically determined based on the number of channels selected Once a port is selected you ...

Страница 52: ...uration option Port Rate 3 Use the or key to scroll the desired port rate onto the screen Rates scroll in groups of three Available selections depend on the current base rate selected for the port Press the corresponding Function key to select the port rate Then select Next to display the Start At configuration option on the screen F1 Port Rate 384 Next 64 128 F2 F3 4 The Start At screen displays ...

Страница 53: ... Function key under that port number Pressing the Function key under channels assigned to other ports has no effect F1 N1 N2 Next Prt1 Prt2 F2 F3 NOTE N16 will not appear if time slot 16 TS16 is reserved for signaling The default is TS16 available for data Allocating DS0 Channels from the G 703 DTE Interface to the Network Interface By using the configuration options you can allocate DS0 channels ...

Страница 54: ...s screen F1 TS16 Data Data Rsvd CAS F2 F3 10 From the DTE Channels screen select Assign F1 DTE Channels TS16 Assign F2 F3 11 Press the Function key below the network channel desired Each time that you press the Function key the DTE channel number will scroll up one number If the network channel is currently unassigned is displayed on Line 2 the DTE channel number initially displays the same number...

Страница 55: ... area by using the appropriate Function key Use the scroll keys if necessary 3 Select Edit 4 From the Edit screen press the key until the Chan selection appears on the screen 5 Select Chan F1 Edit Port NET Chan F2 F3 6 From the Channel Config screen select Clear F1 Channel Config Dsply Clear DTE F2 F3 7 From the Clear Channel screen select NET to clear all DS0 channels assigned to the network inte...

Страница 56: ...ns enable you to select either the network interface a synchronous data port the internal clock the G 703 DTE interface or an external clock If external clocking is selected you must use the clock rate configuration option to specify the clock rate Figure 3 12 shows some common clocking configurations Two sample procedures for configuring timing are given in the following sections Configuring for ...

Страница 57: ...rocedure for configuring the secondary clock source is similar to the example shown above For more information on configuration options refer to Appendix C Configuring for External Timing To configure 2 port and 4 port E1 NTUs for external timing 1 From the top level menu screen select Cnfig 2 Select the configuration option set to be copied into the Edit area by using the appropriate Function key...

Страница 58: ...mouse to click on the desired Function key The top level menu screen appears on the active user interface regardless of what screen was displayed at the previous active user interface F1 E1 HDSL NTU Stat Test Cnfig F2 F3 The inactive interface displays the following message when a Function key is pressed or a connection is made on the inactive user interface and control cannot be switched because ...

Страница 59: ...until the Ctrl selection appears on the screen F1 E1 HDSL NTU Stat Test Cnfig F2 F3 2 Select Ctrl F1 E1 HDSL NTU Test Cnfig Ctrl F2 F3 3 From the Control screen press the key until the Reset selection appears on the screen F1 Control Rel LED ClrReg F2 F3 4 Select Reset F1 Control ClrReg Reset F2 F3 5 From the Device Reset screen press F1 to initiate a reset of the E1 NTU the power up sequence scre...

Страница 60: ...terface Access Security section of this document is not available for viewing online due to its security sensitive contents To order this manual please call 1 800 545 2354 extension 2222 International customers call your local AT T Paradyne Sales representative ...

Страница 61: ...oopback 4 18 Starting a Data Channel Loopback 4 19 Starting a Data Terminal Loopback 4 20 Aborting Loopbacks 4 20 Test Patterns 4 21 Sending Test Patterns 4 21 Monitoring Test Patterns 4 23 Aborting Test Patterns 4 23 Lamp Test 4 24 Starting a Lamp Test 4 24 Aborting a Lamp Test 4 25 Displaying E1 NTU Test Status 4 25 Overview The E1 NTU can detect and report faults and perform diagnostic tests Th...

Страница 62: ... device level testing HDSL fail The unit failed to successfully test an internal HDSL subassembly HDB3 LOS fail The unit failed to encode data properly or to detect Loss Of Signal Alarm fail The unit failed to transmit AIS or to detect an RAI alarm Memory fail The unit failed program checksum verification LCD fail The front panel liquid crystal display LCD failed NET Lp1 fail The unit failed to in...

Страница 63: ... on Loop1 A Loss Of Signal condition 6 consecutive synchronization word mismatches has been detected on loop 1 of the network interface The condition is cleared when a signal match occurs LOS on Loop2 A Loss Of Signal condition has been detected on loop 2 of the network interface The condition is cleared when a signal match occurs LOS at DTE A Loss Of Signal condition 175 consecutive zeros has bee...

Страница 64: ... available for 2 port and 4 port E1 NTUs EER at Prtn The error rate of the received signal has exceeded the configured threshold for data port Prtn where n is the port number This condition only occurs if the synchronous data port s Embedded Data Link EDL is enabled only available for 2 port and 4 port E1 NTUs The condition is cleared when the error rate falls below the synchronous data port s con...

Страница 65: ...Lp1 SigQ xx The loop 1 signal quality value xx is 0 to 10 A value of 10 indicates the noise margin is 9 dB or more above the margin needed to produce a bit error rate of approximately 10 7 The values of 2 to 9 indicate noise margins of 1 to 8 dB above this margin A value of 1 indicates the noise margin is less than or equal to the margin needed to produce a bit error rate of approximately 10 7 A v...

Страница 66: ...od Port data is updated in 15 minute intervals After 15 minutes the current interval is rolled over into a set of accumulator registers that represent the previous 32 15 minute intervals for the register An interval total of how many of the 32 registers contain valid data is also kept as well as a 8 hour total for each accumulator register NOTE The following procedure is an example only Screen dis...

Страница 67: ...u want to display press F3 Dsply to display the registers for the interval selected Use the scroll keys to view additional register information F1 E1 Intvl xx ES xxx F2 F3 You can reset the performance registers via the ClrReg command in the Control branch of the front panel menu To clear the performance registers 1 From the top level menu screen press the key until the Ctrl selection appears on t...

Страница 68: ...e current interval An unavailable second is any one second interval when service is unavailable Detection occurs with 10 consecutive unavailable seconds The maximum is 900 seconds The total number of unavailable seconds for the previous x hours where x is 24 hours for aggregate performance and 8 hours for port performance SES The number of severely errored seconds for the current interval For E1 o...

Страница 69: ...face or the G 703 DTE interface E The Excessive Error Rate threshold has been exceeded F A Frame Synchronization Bit Error has been detected V A Bipolar Violation has been detected If none of these events occurred during the interval StEvnt none will be displayed N A FEBE Only valid for Lpn registers The number of far end block errors reported by remote equipment for the current interval The maxim...

Страница 70: ...face where x is either Network or DTE Remote Alarm Indication signal received at the x Interface where x is either Network or DTE Alarm Cleared Remote Alarm Indication signal at the x Interface where x is either Network or DTE Loss of Multiframe alignment condition detected at the x Interface where x is either Network or DTE Alarm Cleared Loss of Multiframe alignment condition at the x Interface w...

Страница 71: ...et by the Entp Trap configuration option Link Traps identify the condition of the communications interface either linkDown one of the communications interfaces has failed or linkUp one of the communications interfaces has just come up These traps are set by the Link Trap configuration option The communications interfaces for which these traps can be generated are specified by the Trap I F configur...

Страница 72: ...e G 703 DTE cable is securely attached at both ends 2 Check the DTE status 3 Change the RX SHIELD switch to the OPEN position when using the 120 ohm interface Message OOF at Net appears 1 Incompatible framing format between the network and the E1 NTU 2 Network cabling problem 3 Facility problem 1 Check that the framing format for the network interface is correct 2 Check that the network cable is s...

Страница 73: ...ched at both ends A failure message appears followed by an 8 digit code x x x x x x x x Internal E1 NTU problem Record the 8 digit code then contact your AT T Paradyne field service representative SNMP link is down 1 The SNMP manager configuration is mismatched with the device configuration 2 The SNMP manager s link layer protocol is not running 1 Check that the configurations are matched 2 Start ...

Страница 74: ...k that allows a signal to be inserted by external test equipment The signal is inserted and received on the HDSL Loop 1 side of the E1 NTU HDSL NET Lp2 HDSL Network Loop 2 A break in test jack that allows a signal to be inserted by external test equipment The signal is inserted and received on the HDSL Loop 2 side of the E1 NTU E1 LINE In A break in test jack that allows an E1 signal to be inserte...

Страница 75: ...f you attempt to do so the error message Invld Test Combo Invalid Test Combination appears To send a Data Channel Activation or Deactivation loopback sequence to the far end device 1 From the top level menu screen select Test 2 From the Test screen select Rlpbk F1 Test Rlpbk Lpbk Ptrns F2 F3 3 From the Rem Loopback screen press the Function key that corresponds to the specific loopback test you wa...

Страница 76: ...s transmitted on the network interface to initiate LLBs see Appendix C Configuration Options The data port configuration option NET DCLB controls whether the E1 NTU responds to inband V 54 commands to initiate DCLB for that port see Appendix C Configuration Options Local loopback tests can be aborted Abort Command at any time No more than two local loopbacks can be active at any one time An additi...

Страница 77: ...valid loopback test combinations Starting a Payload Loopback The Payload Loopback command PLB loops the received signal on the network interface back to the network The signal is looped back as close to the G 703 DTE port as possible after it has passed through the framing circuitry of the E1 NTU Therefore framing CRCs and BPVs are corrected All ones are transmitted on the G 703 DTE port for the D...

Страница 78: ...pbk Ptrns F2 F3 3 From the Loopback screen press the key until the DLB selection appears on the screen F1 Loopback Abort LLB PLB F2 F3 4 Select DLB F1 Loopback LLB PLB DLB F2 F3 Test Started appears on Line 2 If a DTE loopback is already in progress the Already Active message appears If an invalid combination of loopbacks is in progress the error message Invld Test Combo appears see Table 4 9 for ...

Страница 79: ...before it is sent out the data port All ones are inserted into the DS0 channels allocated to that port NTU DATA PORTS 1 4 DCLB HDSL AIS DATA CHANNEL LOOPBACK DCLB 495 14775 To perform a Data Channel loopback 1 From the top level menu screen select Test 2 From the Test screen select Lpbk F1 Test Rlpbk Lpbk Ptrns F2 F3 3 From the Loopback screen press the key until the DCLB selection appears on the ...

Страница 80: ...pears on the screen 4 Select DTLB F1 Loopback RLB DCLB DTLB F2 F3 5 From the DTLB screen press the Function key for the port for which you want to perform the data terminal loopback Use the scroll keys if necessary F1 Loopback DTLB Prt1 Prt2 Prt3 F2 F3 Test Started appears on Line 2 If a Data Terminal loopback is already in progress the Already Active message appears If an invalid combination of l...

Страница 81: ...he test status to determine if the abort was successful Test Patterns Use the Test Pattern commands to send monitor and abort test patterns Available test patterns are 32767 A pseudo random bit sequence PRBS that is 32 767 bits long on the network only This is a PRBS 215 1 test 511 A pseudo random bit sequence PRBS that is 511 bits long on the data ports only This is a PRBS 29 1 test 1 in 8 A test...

Страница 82: ...tern Use the scroll keys if necessary F1 Send Name Prt1 Prt2 Prt3 F2 F3 The Test Started screen appears F1 Send Name and Dest Test Started F2 F3 If the E1 NTU is already sending the test pattern you selected the message Already active appears If you selected an incompatible test pattern combination the message Invld Test Combo appears See Table 4 10 for valid combinations Table 4 10 Valid Send Tes...

Страница 83: ...you monitor a 32767 pattern skip Step 5 5 From the Monitor screen press the Function key that corresponds to the port for which you want to monitor a QRSS or 511 test pattern Use the scroll keys if necessary F1 Monitor Name Prt1 Prt2 Prt3 F2 F3 The Monitor screen appears with the error count If the maximum of 99999 is exceeded OvrFlw appears instead of the count If the receiver loses synchronizati...

Страница 84: ...he TStat branch of the menu to view the test status to determine if the abort was successful 5 From the Abort screen press the Function key that corresponds to the network or port for which you want to abort a test pattern Use the scroll keys if necessary F1 Abort Send or Mon NET Prt1 Prt2 F2 F3 The E1 NTU terminates the selected test pattern and displays the message Command Complete Lamp Test Use...

Страница 85: ...y the Lamp Test screen To do this when the LCD is alternating the Lamp test screens press any Function key Otherwise follow Steps 1 through 3 for starting a Lamp test F1 Lamp Test Abort Start F2 F3 2 From the Lamp Test screen select Abort F1 Lamp Test Abort Start F2 F3 Displaying E1 NTU Test Status Use the Test Status command to display the active tests for the E1 NTU Status messages that can disp...

Страница 86: ...attern is being sent on the network interface 32767 Tst Active A 32767 test pattern is being sent on the network interface QRSS on Port n A QRSS test pattern is being sent to the network on the channels allocated to port n 511 on Port n A 511 test pattern is being sent to the network on the channels allocated to port n Mon QRSS Port n A QRSS test pattern is being monitored on the channels allocate...

Страница 87: ... 8Tot Intvl DCLBUP DCLBDN Far Near Cur 24Tot Intvl PLB DLB RLB LLB Abort DCLB DTLB Cnfig Edit Save Load Edit Area From Choose Function Cust1 Activ Cust2 Activ Cust1 Cust2 Fact User Alarm NET DTE Port Chan Gen SNMP Gen Trap DTE Prt1 Prt2 Prt3 Prt4 Clear Dsply Copy Prt1 Prt2 Prt3 Prt4 Port Select All Prt1 Prt2 Prt3 Prt4 Abort Send Mon QRSS 511 QRSS 1in8 511 DTE Prt1 Prt2 Prt3 Prt4 Rel ClrReg Reset C...

Страница 88: ... input requirements 20 Vdc to 32 Vdc 0 75A 38 Vdc to 60 Vdc 0 375A 38 Vdc to 60 Vdc 0 375A POWER CONSUMPTION AND DISSIPATION 22 0 watts 75 0 Btu per hour at 115 volts ac power 18 0 watts 61 5 Btu per hour at 24 and 48 Vdc dc power G 703 DTE INTERFACE Physical Interface Framing Format Coding Format BNC pair for 75 ohm coaxial cables unbalanced or DB15 socket for 120 ohm twisted pair balanced CRC 4 ...

Страница 89: ...2 port and 4 port E1 NTUs external clock PHYSICAL DIMENSIONS Height Width Depth Models 3360 and 3364 NTUs 3 90 inches 10 0 cm Model 3365 NTU 2 13 inches 5 4 cm 7 63 inches 19 4 cm 12 13 inches 30 8 cm WEIGHT Models 3360 and 3364 NTUs 3 6 pounds 1 7 kg Model 3365 NTU 2 4 pounds 1 1 kg ENVIRONMENT Operating Temperature Storage Temperature Relative Humidity Shock and Vibration 32 F to 122 F 0 C to 50...

Страница 90: ...Table C 2 Network Interface Configuration Options The Network Interface configuration options configure the HDSL Network interface on the E1 NTU Table C 3 Channel Configuration Options The Channel configuration options configure the G 703 DTE and synchronous data port channel allocations on the E1 NTU Tables C 4 and C 5 General Configuration Options The General configuration options configure cloc...

Страница 91: ...s the High Density Bipolar 3 coding format Extrn DLB Disab Next Enab Disab Prev DTE Loopback on External Contact Allows the initiation and termination of a DTE Loopback DLB by an external contact For more information see the G 703 DTE Interface section in Appendix D Pin Assignments Enab Allows the E1 NTU to begin a DLB when the external contact is closed if the current E1 NTU state allows a DLB to...

Страница 92: ...ase sequence from the network or far end device Enab Allows the E1 NTU to begin a DCLB for this port when it receives a DCLB actuate sequence if the current E1 NTU state allows a DCLB to be performed Receiving a DCLB release sequence terminates the DCLB Disab Ignores the DCLB actuate and DCLB release sequences for this port Port LB Disab Next Disab DTLB DCLB Both Prev Port DTE Initiated Loopbacks ...

Страница 93: ...transmitted data for the port is clocked using an internal clock provided by the E1 NTU synchronized to the clock source specified by the clock source configuration options in the General configuration option group or an external clock provided by the DTE connected to the port When an external clock is used it must be synchronized to the same clock source as the E1 NTU Int Indicates the clock is p...

Страница 94: ...le at 1984 kbps EER is declared if more than 1 189 CRC5 errors are detected in a 60 second period It is cleared with less than 1 190 errors in sixty seconds 10E 6 10E 6 Threshold For example at 1984 kbps EER is declared if more than 119 CRC5 errors are detected in a 60 second period It is cleared with less than 120 errors in sixty seconds 10E 7 10E 7 Threshold For example at 1984 kbps EER is decla...

Страница 95: ...is disabled NOTE If the local E1 NTU is configured to maintain far end performance statistics then the remote device must be configured to send near end performance statistics Mgmt Link Disab Next Disab SNMP Prev EDL Management Link Specifies whether the EDL management link is enabled for a particular port Selecting SNMP allows SNMP management traffic to flow over the 4 kbps in band data link prov...

Страница 96: ...unning SNMP over FDL requires an end to end FDL connection and cannot be terminated within the network Disab Disables the FDL Management Link SNMP Enables the FDL Management Link for SNMP NOTE This configuration option is not available if EDL is enabled for SNMP NOTE If the local E1 NTU s FDL is enabled for SNMP the remote E1 NTU s FDL must also be enabled for SNMP HDSL Disab Next Disab Maint Prev...

Страница 97: ... D1 to N1 D2 to N2 etc CAS Specifies that TS16 is reserved for Channel Associated Signaling information Except for time slot 16 the other time slots do not need to be directly connected as they are in Common Channel Signaling NOTE Changing this configuration option from one selection to the other Data Rsvd or CAS deallocates all DS0 channels assigned to either the network interface or the G 703 DT...

Страница 98: ... For example if you select Prt1 from the Channel Config screen Prt2 Prt3 and Prt4 appear for 4 port E1 NTUs Use this feature to designate a port as a backup port You can attach an external backup device to Prtn and manually assign the selected port to the backup port i e route data from the selected port to the backup port When a port is assigned to another port DSR is turned on Selecting Prtn and...

Страница 99: ...xpected data port rate For example if you select 64 kbps the external clock source must supply a 56 kbps clock signal NOTE For the 3364 NTU there is a hardware limitation that limits the combined bandwidth used by Port 1 and Port 3 to a total of 2048 kbps and the combined bandwidth used by Port 2 and Port 4 to 2048 kbps Thus when entering this menu the rate choices are limited due to this constrai...

Страница 100: ... is allocated to the network interface DS0 channel n where n is a number from 1 to 31 You cannot modify this value on this screen Dn This DS0 channel is allocated to the G 703 DTE interface DS0 channel n where n is a number from 1 to 31 You can modify this value on this screen Select the channel by pressing the Function key under that number To deallocate a port press the Function key under that p...

Страница 101: ...clock specified by the Primary Clock Source selection results in automatic fallback to the secondary clock source When this occurs this selection synchronizes all internal timing and external interface clocks Failure of the clock specified by the Secondary Clock Source selection results in automatic fallback to internal clock NET Configures the HDSL Network interface as the secondary clock source ...

Страница 102: ...an another 33xx Series device NOTE SNMP and ASCII selections can be made using the ifAdminStatus MIB object up SNMP testing ASCII NOTE The Daisy selection requires the use of a customer supplied 8 pin to 8 pin straight through cable Whenever the cable is connected or disconnected change the Daisy selection to another selection and then back to Daisy to ensure that the correct parameters have been ...

Страница 103: ...t 7 8 Prev Communication Port Character Length Configures the character length 7 or 8 bits for the communication port NOTE This configuration option must be set to 8 if the communication port is used for Front Panel Emulation or SNMP management NOTE This configuration option is not available if the communication port is configured for synchronous operation CParity None Next None Even Odd Prev Comm...

Страница 104: ...ary port is not to be used SNMP Specifies that the auxiliary port is to be used as the management link to an external SNMP manager via an external LAN Adapter Daisy Specifies that the auxiliary port is to be used as an SNMP management link that is daisy chained to the communication port of another 33xx Series device NOTE The Daisy or SNMP selection requires the use of a customer supplied 8 pin to ...

Страница 105: ...e communication port Disab Prevents alarm messages for any alarm conditions NOTE Alarm messages are only sent to the communication port if the Com Use configuration option is set to ASCII otherwise the alarm messages are discarded SNMP Trap Disab Next Enab Disab Prev SNMP Trap Enable Specifies whether SNMP trap messages are sent over the SNMP management link For more information refer to the SNMP ...

Страница 106: ...tact Clear Allows you to clear the system contact CommunityName1 public Next Edit Clear Prev Community Name 1 Specifies the first of two community names that are allowed to access this unit s Management Information Base MIB External SNMP managers must supply this name to access an object in the MIB Edit Allows you to edit or display the first community name The factory default sets this string to ...

Страница 107: ...ccess is allowed for all objects specified as read write in the MIB RFCs Read access is allowed for all objects specified as either read only or read write IP Adr Next Edit Clear Prev IP Address for the E1 NTU Specifies the IP address needed to access the E1 NTU Since this IP Address is not bound to a particular port it can be used for remote access via the FDL or EDL for 2 port and 4 port E1 NTUs...

Страница 108: ...r Daisy Edit Allows you to edit and or display the subnet mask for the communication port Clear Allows you to clear the subnet mask for the communication port The subnet mask is set to 000 000 000 000 If the subnet mask is 000 000 000 000 the IP protocol creates a default subnet mask based on the class of the IP address Class A 255 000 000 000 Class B 255 255 000 000 or Class C 255 255 255 000 Com...

Страница 109: ...Class A 255 000 000 000 Class B 255 255 000 000 or Class C 255 255 255 000 Def Netwk None Next None Com Aux FDL EDL1 EDL2 EDL3 EDL4 Prev Default Network Destination Specifies the default network destination This configuration option specifies where the default network is connected For example if the default network is connected to the communication port you select Com If the default network is con...

Страница 110: ... option is set to SNMP or Daisy Aux The Trap Manager n network destination is the auxiliary port This selection only appears if the Aux Use configuration option is set to SNMP or Daisy FDL The Trap Manager n network destination is the FDL management link This selection only appears if the FDL management link is enabled for SNMP EDLn The Trap Manager n network destination is the EDLn port where n i...

Страница 111: ...wn events to the currently configured trap manager s NOTE This configuration option is not available if the SNMP Trap configuration option in the Alarm Configuration Options section is disabled Trap I F All Next NET DTE E1s Ports All Prev Link Trap Interfaces Specifies which interfaces generate linkUp and linkDown trap messages These traps are supported on the E1 interfaces network and G 703 DTE a...

Страница 112: ...Options Value HDSL Mode NTU LTU NET Frame CRC4 noCRC Mgmt Link Disab SNMP HDSL Disab Maint Circuit Ident Edit Clear General Options Value Pri Clk Src NET DTE Prt1 Prt2 Prt3 Prt4 Int Ext Sec Clk Src NET DTE Prt1 Prt2 Prt3 Prt4 Ext Disab Clock Rate 2048 8 User Options Value Self Test Enab Disab Com Use SNMP ASCII Daisy Com Type Async Sync Com Clk Int Ext Com Rate 1 2 2 4 4 8 9 6 14 4 19 2 38 4 Char ...

Страница 113: ...ab Disab Err Rate 10E 4 10E 5 10E 6 10E 7 10E 8 10E 9 Near end Disab Maint Send Both Far end Disab Maint Mgmt Link Disab SNMP Prt3 Options Value Port Type E530 V 35 RS449 X 21 NetDCLB Enab Disab Port LB Disab DTLB DCLB Both All Ones Disab DTR RTS Both Rcv Yellow None Halt Tx Clock Int Ext InvertTxC Enab Disab InvrtData Enab Disab EDL Enab Disab Err Rate 10E 4 10E 5 10E 6 10E 7 10E 8 10E 9 Near end...

Страница 114: ...9 N30 N31 Allocations D1 D31 indicates allocation to DTE G 703 channels Prt1 Prt4 indicates allocation to synchronous data ports G 703 DTE Interface G 703 Channel Allocation D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 Allocations N1 N31 indicates allocation to network channels Prt1 Prt4 indicates allocation to synchronous data ...

Страница 115: ... One If Assign By Chan Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select Multiple P 2 Assign To NET DTE Prt1 Prt3 Prt4 P 2 Assign By Block Chan Port 2 If Assign By Block Port Rate Nx64 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 NOTE If time slo...

Страница 116: ... One If Assign By Chan Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select Multiple P 4 Assign To NET DTE Prt1 Prt2 Prt3 P 4 Assign By Block Chan Port 4 If Assign By Block Port Rate Nx64 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 NOTE If time slo...

Страница 117: ...2 Read R W IP Adr Edit Clear NetMask Edit Clear Com IP Adr Edit Clear Com NetMask Edit Clear Com Link PPP SLIP Aux IP Adr Edit Clear Aux NetMask Edit Clear Def Netwk None Com Aux FDL EDL1 EDL2 EDL3 EDL4 SNMP Trap Options Value Num Trap Mgrs 1 2 3 4 5 6 Trapn IP Adr Edit Clear Trapn Dst None Com Aux FDL EDL1 EDL2 EDL3 EDL4 Gen Trap Disab Warm Auth Both Entp Trap Enab Disab Link Trap Disab Up Down B...

Страница 118: ...al Clock Interface D 14 Overview The E1 NTU is shipped with a power module Various other interconnecting cables are available from AT T Paradyne For cable feature numbers refer to Appendix H Equipment List This appendix describes the connector pin assignments for the E1 NTU AT T Paradyne cables and customer supplied cables HDSL Network Interface The HDSL Network interface is an 8 position unkeyed ...

Страница 119: ...n option in the DTE Interface Configuration Options section of Appendix C The G 703 DTE cable Figure D 1 is typically supplied by a DTE vendor It is made of shielded twisted pair wires 22 AWG The cable connector is a DB15 plug Be sure to connect the shield ground only at the E1 NTU end to prevent ground loops Table D 2 G 703 DTE Connector 120 Ohm Signal Pin Number Receiver Tip from DTE 1 Receiver ...

Страница 120: ...OTE For daisy chaining an AUX port to a COM port a customer supplied 8 pin to 8 pin straight through cable is required and the appropriate configuration options Com Use and Aux Use must be set to Daisy Whenever the cable is connected or disconnected you should change the Daisy selection to ensure that the correct parameters have been negotiated for the link layer Table D 3 AUX Port Connector Signa...

Страница 121: ... COM port to PC cable is shown in Figure D 2 and the COM port to terminal printer cable is shown in Figure D 3 NOTE For daisy chaining an AUX port to a COM port a customer supplied 8 pin to 8 pin straight through cable is required and the appropriate configuration options Com Use and Aux Use must be set to Daisy Whenever the cable is connected or disconnected you should change the Daisy selection ...

Страница 122: ...Pin Assignments D 5 3360 A2 GB20 10 June 1996 Figure D 2 COM Port to PC Cable Figure D 3 COM Port to Terminal Printer Cable ...

Страница 123: ...NTU 2 A 14 B Received Data BB 104 From NTU 3 A 16 B Request to Send CA 105 To NTU 4 A 19 B Clear to Send CB 106 From NTU 5 A 13 B Received Line Signal Detector CF 109 From NTU 8 A 10 B DCE Ready CC 107 From NTU 6 DTE Ready CD 108 1 2 To NTU 20 Transmit Signal Element Timing DTE Source DA 113 To NTU 11 B 24 A Transmit Signal Element Timing DCE Source DB 114 From NTU 12 B 15 A Receiver Signal Elemen...

Страница 124: ... 24 5 23 8 26 7 25 9 27 12 13 31 11 19 14 10 20 17 35 18 29 30 SHIELD TD A TD B RD A RD B TXC A TXC B RXC A RXC B RTS A RTS B CTS A CTS B DTR RLSD A RLSD B DSR SIG COMMON RL LL RCV COMMON TT A TT B TM SIG COMMON SHIELD TD A TD B RD A RD B TXC A TXC B RXC A RXC B RTS A RTS B CTS A CTS B DTR A RR A RR B DM A SIG COMMON RL LL RCV COMMON TT A TT B TM DM B DTR B 530 SIGNAL DB25 PLUG DB37 SOCKET 449 SIG...

Страница 125: ...Receive Data RD 104 From NTU 6 A 24 B Request to Send RS 105 To NTU 7 A 25 B Clear to Send CS 106 From NTU 9 A 27 B Receiver Ready RR 109 From NTU 13 A 31 B Data Mode DM 107 From NTU 11 A 29 B Terminal Ready TR 108 1 2 To NTU 12 A 30 B Terminal Timing TT 113 To NTU 17 A 35 B Send Timing ST 114 From NTU 5 A 23 B Receive Timing RT 115 From NTU 8 A 26 B Local Loopback LL 141 To NTU 10 Remote Loopback...

Страница 126: ...3 16 15 12 17 9 4 5 8 6 7 24 11 20 21 18 25 A P S R T Y AA V X C D F E B U W H N L NN SHIELD TD A TD B RD A RD B TXC A TXC B RXC A RXC B RTS CTS RLSD DSR SIG COMMON TT A TT B DTR RL LL TM SHIELD TD A TD B RD A RD B TXC A TXC B RXC A RXC B RTS CTS RLSD DSR SIG COMMON TT A TT B DTR RL LL TM 530 SIGNAL DB25 PLUG MS34 SOCKET V 35 SIGNAL 495 14324 01 Figure D 5 EIA 530A to V 35 Cable ...

Страница 127: ... NTU C Clear to Send 106 From NTU D Data Channel Received Line Signal Detector 109 From NTU F Data Set Ready 107 From NTU E Data Terminal Ready 108 1 2 To NTU H Transmit Signal Element Timing DTE Source 113 To NTU U A W B Transmit Signal Element Timing DCE Source 114 From NTU Y A AA B Receiver Signal Element Timing DCE Source 115 From NTU V A X B Local Loopback 141 To NTU L Loopback Maintenance 14...

Страница 128: ...21 interface shown in Table D 8 2 14 3 16 17 9 4 19 8 10 7 24 11 2 9 4 11 6 13 3 10 5 12 8 7 14 TD A TD B RD A RD B RXC A RXC B RTS A RTS B RLSD A RLSD B SIG COMMON TT A TT B TD A TD B RD A RD B RXC A RXC B RTS A RTS B RLSD A RLSD B SIG COMMON TT A TT B 530 SIGNAL DB25 PLUG DB15 SOCKET X 21 SIGNAL 495 14787 Figure D 6 EIA 530A to X 21 Cable ...

Страница 129: ...Signal Common 102 8 Transmitted Data 103 To NTU 2 A 9 B Received Data 104 From NTU 4 A 11 B Request to Send 105 To NTU 3 A 10 B Data Channel Received Line Signal Detector 109 From NTU 5 A 12 B Transmit Signal Element Timing DTE Source 113 To NTU 7 A 14 B Receiver Signal Element Timing DCE Source 115 From NTU 6 A 13 B ...

Страница 130: ...er cable is a 14 5 foot 18 AWG stranded cable The connector is terminated at one end with a 6 position connector The other end of the cable is terminated with a bare wire that should be connected to a dc power source Figure D 7 shows the wire colors The power source can be either a single source of 24 Vdc or up to two sources of 48 Vdc A and B You cannot connect 24 Vdc and 48 Vdc to the same unit ...

Страница 131: ... Clock connector pinouts are in Table D 10 A cable diagram is shown in Figure D 8 This is a customer supplied cable Table D 10 External Clock Connector Signal Pin Number Shield 1 Clock RS422 only 2 Clock RS422 only 3 Clock In RS423 only 9 Signal Common 11 Figure D 8 External Clock Connector ...

Страница 132: ...yne Enterprise MIB E 15 Correlation between Menu Commands and SNMP Objects E 16 Overview This appendix describes the Management Information Base MIB objects that are supported by the E1 NTU and provides a correlation between front panel commands and MIB objects Table E 1 Management Information Base MIB II RFC 1213 The objects defined by MIB II are organized into 10 different groups The E1 NTU impl...

Страница 133: ...vides the authoritative identification of the network management subsystem contained in the unit This object displays the following object identifier 3360 1 3 6 1 4 1 74 1 14 2 3 2 3364 1 3 6 1 4 1 74 1 14 2 3 3 3365 1 3 6 1 4 1 74 1 14 2 3 4 System Group sysServices Object system 7 This object provides a value which indicates the set of services that are potentially offered by the E1 NTU Only the...

Страница 134: ...Auxiliary RS 232 port DCE port 1 Interface Group ifDescr Object ifEntry 2 This object provides the textual information about the interface Each interface displays a text string as shown below Network E1 Network E1 AT T Paradyne E1 HDSL NTU Hardware Version CCA number for the CSU board DTE E1 DTE E1 AT T Paradyne E1 HDSL NTU Hardware Version CCA number for the CSU board COM COM port AT T Paradyne E...

Страница 135: ...e supported by the E1 NTU up 1 The SNMP management link is active on the COM port testing 3 The SNMP management link is inactive on the COM port the COM port can be used for proprietary ASCII functions Interface Group ifOperStatus Object ifEntry 8 This object specifies the current operational state of the interface The value of this object for each interface is defined as follows Network E1 The in...

Страница 136: ...tQLen ifEntry 21 IP Group MIB II The IP Group objects are supported by the E1 NTU for all data paths which currently are configured to carry IP data to or from the E1 NTU including the COM AUX EDL and FDL All of the objects in the IP Group other than the IP Address Translation table are fully supported The IP Address Translation table ipNetToMediaTable does not apply to the E1 NTU and will be empt...

Страница 137: ...outeMetric3 ipRouteMetric4 ipRouteMetric5 Defaulted to 1 as specified in the MIB ipRouteNextHop Defaulted to 0 0 0 0 The following read only objects must not be specified in the set PDU used to add a route ipRouteProto Set to netmgmt 3 by software ipRouteAge Defaulted to 999 ipRouteInfo Set to OBJECT IDENTIFIER 0 0 since it is unused IP Group ipRouteDest Object ipRouteEntry 1 The ipRouteDest objec...

Страница 138: ...ly supported by the E1 NTU UDP Group MIB II The User Datagram Protocol UDP Group objects are fully supported by the E1 NTU Transmission Group MIB II Objects in the transmission group are supported on the network and G 703 DTE interfaces the COM port the AUX port and the synchronous data ports The objects in the transmission group are not defined within MIB II but rather through other Internet stan...

Страница 139: ...ss is attempted for the G 703 DTE interface Near End Group dsx1LineType Object dsx1ConfigEntry 5 This object corresponds to the NET Framing DTE Framing configuration options for the E1 interfaces on the E1 NTU Only the following values are supported by the E1 NTU dsx1E1 4 Indicates non CRC 4 framing dsx1E1 CRC 5 Indicates CRC 4 framing Near End Group dsx1LineCoding Object dsx1ConfigEntry 6 This ob...

Страница 140: ... dsx1SignalMode Object dsx1ConfigEntry 11 This object specifies whether time slot 16 TS16 is reserved for signaling Only the following values are supported by the E1 NTU none 1 No signaling is being used on this interface bitOriented 3 Indicates that TS16 is using Channel Associated Signaling messageOriented 4 Indicates that TS16 is reserved for signaling Changing from none 1 to bitOriented 3 or m...

Страница 141: ...otal SESs The 24 hour total Severely Errored Seconds dsx1TotalUASs The 24 hour total Unavailable Seconds dsx1TotalBESs The 24 hour total Bursty Errored Seconds Far End Group DS1 E1 MIB The DS1 Far End Group consists of the following three tables DS1 Far End Current DS1 Far End Interval DS1 Far End Total These tables are not supported for either the network or G 703 DTE interface The DS1 Fractional...

Страница 142: ...ike MIB The general port table contains general configuration objects for the RS 232 like interfaces General Port Table rs232PortIndex Object rs232PortEntry 1 This object contains a unique value for each port and is used as an index into the general port table rs232PortTable The values of the rs232PortIndex object vary between models and are listed below The values of rs232PortIndex for the 3360 N...

Страница 143: ...AUX or COM port is the currently configured speed Setting of this value for the AUX or COM port causes the configured port speed to be changed Asynchronous Port Table RS 232 like MIB The asynchronous port table contains an entry for the AUX or COM port when the port is configured for asynchronous operation For the E1 NTU the entries in the table that are counters rs232AsyncPortEntry 6 8 are used t...

Страница 144: ...nly the following values are supported by the E1 NTU on 2 The signal is asserted off 3 The signal is not asserted Input Signal Table rs232InSigChanges rs232InSigEntry 4 This object is not supported by the E1 NTU Output Signal Table RS 232 like MIB This object contains entries for the output signals that can be asserted by the unit for each of the synchronous data ports Output Signal Table rs232Out...

Страница 145: ...ata ports testMonQRSS Initiates a Monitor QRSS test on the interface Only supported for the data ports testMon511 Initiates a Monitor 511 test on the interface Only supported for the data ports testSendQRSS Initiates a Send QRSS test on the interface Only supported for the data ports testSend511 Initiates a Send 511 test on the interface Only supported for the data ports testSendV54Up Sends a V54 ...

Страница 146: ... defined as follows wellKnownCodes OBJECT IDENTIFIER ifExtensions 5 none OBJECT IDENTIFIER wellKnownCodes 1 inSyncNoBitErrors OBJECT IDENTIFIER wellKnownCodes 2 inSyncWithBitErrors OBJECT IDENTIFIER wellKnownCodes 3 notInSync OBJECT IDENTIFIER wellKnownCodes 4 AT T Paradyne Enterprise MIB The variable devConfigAreaCopy under the devConfigAreaCopy group in the common area of the AT T Paradyne Enter...

Страница 147: ...1RcvAIS dsx1OtherFailure dsx1RcvFarEndLOMF dsx1XmtFarEndLOMF Stat DevHS LOS at DTE OOF at DTE RAI at DTE AIS at DTE EER at DTE RMA at DTE MFA at DTE Read the dsx1LineStatus object for DTE E1 dsx1LossOfSignal dsx1LossOfFrame dsx1RcvFarEnd dsx1RcvAIS dsx1OtherFailure dsx1RcvFarEndLOMF dsx1XmtFarEndLOMF Stat Perf NET Cur CurTimer ES UAS SES BES Read the value in the following objects for NET E1 dsx1T...

Страница 148: ...stMonQRSS from ifExtnsTestType for Port n testMon511 from ifExtnsTestType for Port n testMon32767 from ifExtnsTestType for Net E1 Stat LED Prtn DTR CTS RTS Read rs232InSigState from rs232InSigName dtr rs232outSigState from rs232OutSigName cts rs232InSigState from rs232InSigName rts Stat ID Ser Mod SRev HRevCCA1 HRevCCA2 HRevCCA3 Read sysDescr object from the System Group Test Rlpbk DCLBUP Prtn Set...

Страница 149: ...r port n to testSend511 Set IfExtnsTestType for port n to noTest Test Ptrns Mon QRSS Prtn Test Ptrns Abort Mon Prtn Set ifExtnsTestType for port n to testMonQRSS Set ifExtnsTestType for port n to noTest Test Ptrns Mon 511 Prtn Test Ptrns Abort Mon Prtn Set ifExtnsTestType for port n to testMon511 Set ifExtnsTestType for port n to noTest Test Ptrns Mon 32767 NET Test Ptrns Abort Send NET Set ifExtn...

Страница 150: ... dsx1Fracifindex for DTE E1 or NET E1 Cnfig Activ Edit Chan Prtn Port Rate Display rs232PortInSpeed or rs232PortOutSpeed for port n Cnfig Activ Edit Gen Pri Clk Src Cnfig Activ Edit Gen Sec Clk Src Display dsx1TransmitClockSource for DTE E1 or NET E1 Displays the active clock only Cnfig Activ Edit User Com Rate Cnfig Activ Edit User Aux Rate Set Display rs232PortInSpeed or rs232PortOutSpeed for CO...

Страница 151: ...lable on full E1 links not fractional E1s Check with the service provider to be sure that the FDL is end to end i e not terminated at an intermediate point within the network Interconnected 33xx Series devices automatically pass routing information between them however a static route to the subnet s must be set in the routing table of the NMS host This route uses the 33xx Series device connected t...

Страница 152: ... E 3 6 1 0 Paradyn e CO MS PH ER E 361 0 Paradyn e CO MS PH ER E 361 0 Paradyn e CO MS PH ER E 361 0 Paradyn e CO MS PH ER E 361 0 Paradyn e 135 18 1 3 135 18 1 4 135 18 1 5 135 18 1 7 135 18 1 6 135 18 1 1 135 18 1 1 135 18 40 1 AUX COM IP ADDRESS 135 18 40 2 SUBNET 135 18 40 0 SUBNET 135 18 1 0 SNMP NMS NETWORK Figure F 1 Daisy Chained Standalone Devices at the Central Site ...

Страница 153: ...r higher MS DOS 3 3 or higher and at least 4 MB of RAM A VGA color monitor with VGA adapter or higher resolution is required A mouse is also required The following procedures must be performed in the Windows environment To install Front Panel Emulation software 1 Insert the diskette into the appropriate drive 2 Select File from Program Manager 3 Choose Run 4 Type the letter of the drive being used...

Страница 154: ...oxes The Com Port field needs to contain the actual communications port name as recorded in the Windows information file INI The Speed field needs to contain one of the following communications speeds 1200 2400 4800 9600 14400 19200 or 38400 and should match the E1 NTU s COM port configuration 5 Choose either a Local for near end E1 NTU or Remote for far end E1 NTU destination 6 If you chose a Loc...

Страница 155: ...le 8 pin modular to DB9S 3100 F1 550 406941542 COM Port to Terminal Printer Cable 8 pin modular to DB25P 3100 F1 540 406941534 DC Power Cable 3100 F1 520 406941492 Front Panel Emulation Software 3100 C1 010 406942110 DB25 EIA 530A to RS449 422 Cable 3100 F1 580 107116543 DB25 EIA 530A to V 35 Cable 3100 F1 570 107116550 DB25 EIA 530A to X 21 Cable 3100 F1 571 107768103 Wall Mount Rack Mount Adapte...

Страница 156: ...on The use to which a device is put ASCII American Standard Code for Information Interchange A 7 bit code which establishes compatibility between data services ASCII terminal printer Devices that can be attached either locally or remotely to the E1 NTU to display or print alarm messages asynchronous data Data transmission that is synchronized by a transmission start bit at the beginning of a chara...

Страница 157: ...standards organization channel An independent data path channel allocation Assigning specific DS0 channels in the E1 NTU to specific interfaces HDSL Network G 703 DTE etc CHAP Challenge Authentication Protocol character A letter figure number punctuation or other symbol CID branch Customer Identification branch or the E1 NTU menu tree client A device that receives a specific service such as databa...

Страница 158: ...inating Equipment or Data Communications Equipment A device which provides signal conversion for communication between the DTE and the network DCLB Data Channel Loopback Loops the data received from the network interface for all DS0 channels allocated to the selected port back to the network default A preset value that is assumed to be correct unless changed by the user DevFail Device Failure A me...

Страница 159: ... EIA standard for a high speed 25 position DCE DTE interface Enterprise MIB MIB objects unique to AT T Paradyne devices enterprise specific trap A trap unique to AT T Paradyne devices error A discrepancy between a measured or computed value or condition and the true or specified value or condition ES Errored seconds Seconds with one or more error events ESD Electrostatic discharge An undesirable d...

Страница 160: ...ate E1 digital signals to be transmitted over subscriber local loop lines host A computer system used for application processing on a network Hz Hertz A unit of frequency that equals one cycle per second ICMP Internet Control Management Protocol The protocol that enables in band control diagnostic and error messages to be passed between nodes in an IP internetwork ID branch Identity branch of the ...

Страница 161: ...nit of memory measurement equal to approximately one million bytes typically 1 048 576 bytes Mbps Megabits per second million bits per second menu tree A display of E1 NTU functions that are accessed by selecting various branches Status Test etc MFA Multiframe Alarm A condition in which two consecutive multiframe alignment signals are received in error MIB Management Information Base A database of...

Страница 162: ...nector The power input connector on the E1 NTU power up self test A test that checks most hardware components when power is applied to the device or a reset is initiated PPP Point to Point Protocol A link layer protocol used by SNMP PRBS Psuedo Random Bit Sequence A test pattern containing any possible combination of digital ones and zeros for a given string length primary clock The primary timing...

Страница 163: ... The secondary clock source used to provide timing to the E1 NTU when the primary clock fails self test A test that checks most hardware components when power is applied to the device or a reset is initiated server A device that offers a specific service such as database management to a client SES Severely Errored Seconds For E1 data seconds with 805 or more CRC errors or errored frame alignment s...

Страница 164: ...ent Vdc Volts direct current V 24 A CCITT standard for a low speed 25 position DCE DTE interface V 35 A CCITT standard for a high speed 34 position DCE DTE interface V 54 A CCITT standard for local and remote diagnostic loopback tests V 54 Loop 2 A CCITT standard for a data channel loopback DCLB V 54 Loop 3 A CCITT standard for a data terminal loopback DTLB WAN Wide Area Network A network that spa...

Страница 165: ...nt panel LED indication 3 6 Performance Report message 4 9 troubleshooting 4 13 C cabling equipment list H 1 examples 2 8 pin assignments D 1 D 14 Chan Channel Configuration branch example of use 3 20 3 32 in the menu tree A 1 option table C 8 C 11 option worksheet C 25 C 26 C 27 channel allocation configuration options C 8 C 11 procedure for configuring 3 20 3 32 CID Customer Identification branc...

Страница 166: ...3 DTE loopback DLB 4 18 configuration option C 2 external control interface D 2 E EER Excessive Error Rate condition ASCII terminal printer message 4 10 Device Health and Status message 4 3 front panel LED indication 3 5 3 6 Performance Report message 4 9 troubleshooting 4 13 EIA 530A interface D 6 Embedded Data Link EDL configuration option C 5 C 6 used with SNMP system 1 2 2 3 2 4 F 1 enterprise...

Страница 167: ...scription 3 3 physical description 1 3 3 2 LOF Loss Of Frame condition front panel LED indication 3 5 3 6 Performance Report message 4 8 LOFC Loss Of Frame Count report 4 9 loopback front panel LED indication 3 5 local 4 16 4 21 abort 4 20 4 21 data channel loopback DCLB 4 19 data terminal loopback DTLB 4 20 DTE loopback DLB 4 18 C 2 D 2 line loopback LLB 4 17 payload loopback PLB 4 17 repeater lo...

Страница 168: ...on options C 3 C 6 failure message 4 2 front panel LED indications 3 7 functional description 1 5 2 1 managed by SNMP 1 2 physical description 1 4 pin assignments D 6 technical specifications B 1 Port Configuration branch example of use 3 13 3 14 in the menu tree A 1 option table C 3 C 6 option worksheet C 24 power input cabling example 2 8 connector 1 4 1 5 D 13 consumption B 1 optional power sou...

Страница 169: ...ription 1 2 4 11 procedure for configuring 3 18 3 20 specifications environmental B 1 B 2 Stat Status branch examples of use 3 8 3 10 4 2 4 3 4 5 4 6 4 25 in the menu tree A 1 status messages See messages status STest Self Test Health branch example of use 4 2 in the menu tree A 1 StEvnt Status Event report 4 9 straps See configuration options subnet 3 14 C 18 C 19 C 20 F 1 switch rear panel 1 4 1...

Страница 170: ...use 3 14 3 15 in the menu tree A 1 option table C 13 C 15 option worksheet C 23 user interface acquiring releasing 3 35 3 36 V V 35 interface D 10 V 54 Loop 2 See data channel loopback DCLB V 54 Loop 3 See data terminal loopback DTLB W warmStart trap 4 11 weight B 2 worksheets configuration option C 23 C 28 X X 21 interface D 12 ...

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