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ACCULINK 317x E1 DSU/CSU

3-16

December 1996

3170-A2-GB20-20

10. When you are through changing the IP address,

you must press F3 (Save) to save the value.
Otherwise, the original value will be retained.

F1

010.155.111.222
Up

Down

Save

F2

F3

Selecting the Link Layer Protocol

Two link layer protocols, Point-to-Point Protocol (PPP)

and Serial Line Internet Protocol (SLIP), are supported for
connection to an external SNMP manager or network
device (e.g., a router). PPP can be used for synchronous or
asynchronous operation. SLIP can be used for
asynchronous operation only.

The E1 DSU/CSU implementation of PPP supports the

following:

•

Full negotiation of PPP’s Link Control Protocol
(LCP).

•

Active negotiation of LCP when the connection is
established.

•

Maximum Request Unit (MRU) sizes up to
1500 bytes, but the E1 DSU/CSU will attempt to
negotiate down to 500 bytes.

•

The E1 DSU/CSU provides a unique LCP magic
number derived from the unit serial number and the
elapsed time.

•

Full negotiation of escape characters.

The E1 DSU/CSU implementation of PPP does not

support Link Quality Reports (LQR), compression,
encryption, Password Authentication Protocol (PAP) or
Challenge Authentication Protocol (CHAP).

The E1 DSU/CSU 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 communications link. Refer to the
Selecting the Port section on page 3-14. This example
assumes that the COM port is being used as the
communications link.

To select the link layer protocol,

1. Press F3 to select Cnfig from the top-level menu

screen.

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. Press F1 to select Edit.

4. Press the

key from the Edit screen to display

the SNMP selection.

5. Press F3 to select SNMP.

F1

Edit:
User

Alarm SNMP

F2

F3

6. Press F1 to select Gen from the SNMP Config

screen.

F1

SNMP Config:
Gen

Trap

F2

F3

7. Press F1 (Next) until the Com Link configuration

option appears.

8. Press F2 (PPP) or F3 (SLIP).

F1

Com Link:
Next

PPP

SLIP

F2

F3

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Summary of Contents for ACCULINK 317 Series

Page 1: ...ACCULINK 317x E1 DATA SERVICE UNIT CHANNEL SERVICE UNIT OPERATOR S GUIDE Document No 3170 A2 GB20 20 December 1996 ...

Page 2: ...ioned herein are the trademarks service marks registered trademarks or registered service marks of their respective owners COPYRIGHT 1996 Paradyne Corporation All rights reserved This publication is protected by federal copyright law No part of this publication may be copied or distributed transmitted transcribed stored in a retrieval system or translated into any human or computer language in any...

Page 3: ...sks Refer all servicing to qualified service personnel 6 General purpose cables may be provided with this product Special cables which may be required by the regulatory inspection authority for the installation site are the responsibility of the customer 7 When installed in the final configuration the product must comply with the applicable Safety Standards and regulatory requirements of the count...

Page 4: ...T TO PART 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...

Page 5: ...d for use within certain voltage limits as amended by Directive 93 68 EEC Directive 89 336 EEC Council Directive of 3 May 1989 on the approximation of the laws of the member states relating to Electro Magnetic Compatibility EMC as amended by Directive 93 68 EEC Directive 91 263 EEC Council Directive of 29 April 1991 on the approximation of the laws of the member states concerning telecommunication...

Page 6: ...ces 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 DTE Drop Insert or Data Port for LED Display 3 11 Changing Configuration Options 3 11 Configuring the E1 DSU CSU for SNMP Management 3 14 Configuring SNMP Traps 3 18 Configuring DS0 Channels 3 20 Providing Backup Capability...

Page 7: ...vice Health and Status 4 3 Network Performance Reports 4 5 Alarms 4 9 SNMP Traps 4 10 Troubleshooting 4 11 Test Jacks 4 13 Test Commands 4 14 Remote Loopback Tests 4 14 Local Loopback Tests 4 15 Test Patterns 4 20 Lamp Test 4 23 Displaying E1 DSU CSU Test Status 4 24 Appendices A B C D E F G H Glossary Index ...

Page 8: ...rk Management Protocol SNMP if you want your E1 DSU CSU 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 Obj...

Page 9: ...ces and fractional E1 network applications The E1 DSU CSU series of products consists of a Model 3172 DSU CSU 2 port and a Model 3174 DSU CSU 4 port Differences between these models are discussed where applicable throughout this guide Features The E1 DSU CSU optimizes network performance with a wide range of features such as the following Software configuration menu displayed via a liquid crystal ...

Page 10: ... standard SNMP manager The company provides 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 DSU CSU supports the following MIBs MIB II Defines the general objects for use in Transmission Control Protocol Internet Protocol TCP IP internets...

Page 11: ... button keypad three Function and four directional keys Twelve light emitting diodes LEDs Six test jacks Rear Panel The E1 DSU CSU rear panel contains the connectors and switches required for the operation of the E1 DSU CSU Figures 1 2 and 1 3 The connectors and switches are described in Table 1 1 F1 F2 F3 OK FAIL TEST SIG OOF ALRM NETWORK RXD EER SIG ALRM PDV OOF BPV LCD ACCULINK In Out In Out In...

Page 12: ...RX 75Ω TX NETWORK CAUTION AUX PORT OR COM PORT MUST NOT BE CONNECTED TO PSTN OR E1 NETWORK Figure 1 2 Model 3172 Rear Panel 495 14294 02 POWER AUX PORT COM PORT DTE PORT 3 PORT 4 PORT 1 PORT 2 CLOCK IN 120Ω 75Ω 75Ω 120Ω RX SHIELD OPEN EARTH RX 75Ω TX NETWORK CAUTION AUX PORT OR COM PORT MUST NOT BE CONNECTED TO PSTN OR E1 NETWORK Figure 1 3 Model 3174 Rear Panel ...

Page 13: ...ormat of CCITT Recommendation G 703 and the frame structure of CCITT Recommendation G 704 NETWORK 120Ω Provides an unkeyed modular jack for a 120 ohm balanced network interface NETWORK 75Ω TX RX Provides two BNC connectors Transmit and Receive for a 75 ohm unbalanced network interface NETWORK 120Ω 75Ω switch Selects either a 120 ohm balanced network interface or a 75 ohm unbalanced network interfa...

Page 14: ... to provide an interface between the E1 digital network and the customer premises equipment The E1 DSU CSU is connected to the customer premises equipment through one of the synchronous data ports PORTs 1 4 or the DTE Drop Insert port DTE It is connected to the network through the Network interface NETWORK The most common applications for the E1 DSU CSU are Point to Point LAN interconnection Figur...

Page 15: ...ed Access Application Example FRACTIONAL NETWORK LAN ROUTER LAN ROUTER LAN ROUTER 496 14313 03 DSU CSU DSU CSU DSU CSU LAN ROUTER Figure 2 3 Fractional E1 Application Example 496 14700 01 DACS MOBILE SWITCH MOBILE SWITCHING CENTER CELL SITE CELL SITE WIRELESS WIRELESS DSU CSU DSU CSU Figure 2 4 Wireless DACS Application Example ...

Page 16: ...r the AUX port to an external LAN Adapter for Ethernet SNMP connectivity Figure 2 7 Daisy chaining the COM port of one device to the AUX port of the other to provide SNMP connectivity Figure 2 8 Remotely managing the E1 DSU CSU through the Facility Data Link FDL or the synchronous data port s Embedded Data Link EDL Figure 2 9 NETWORK LAN ROUTER ETHERNET SNMP PPP SLIP 496 14672a DSU CSU SNMP Figure...

Page 17: ...Connection through a LAN Adapter to SNMP LAN ROUTER ETHERNET SNMP PPP 496 14549a LAN ADAPTER SNMP PPP SNMP PPP NETWORK DSU CSU DSU CSU DSU CSU SNMP NMS Figure 2 8 LAN Adapter and Daisy Chaining for SNMP Support LAN ROUTER ETHERNET SNMP FDL EDL SNMP PPP 496 14550a NETWORK LAN ADAPTER DSU CSU DSU CSU Figure 2 9 Remote SNMP Management through FDL EDL ...

Page 18: ... Optional Power Sources The E1 DSU CSU is typically powered by the 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 DSU CSU 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 ...

Page 19: ...the following procedure To install the 48 Vdc single source power supply 1 Connect the black 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 48 Vdc input source 4 Cut the white wire off at the outer insulation 5 Plug the power connector into the E1 DSU CSU Figure 2 11 ā48 Vdc Single Source Power Supply Pinouts...

Page 20: ... Vdc power supply 1 Connect the black wire to the 48 Vdc return source B 2 Connect the red wire to the 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 DSU CSU Figure 2 12 ā48 Vd...

Page 21: ...arth shield connection for the 75 ohm RX interface This switch must be set to open when using the 120 ohm interface POWER AUX PORT COM PORT DTE PORT 1 PORT 2 CLOCK IN 120Ω 75Ω 75Ω 120Ω RX SHIELD OPEN EARTH RX 75Ω TX NETWORK CAUTION AUX PORT OR COM PORT MUST NOT BE CONNECTED TO PSTN OR E1 NETWORK POWER AUX PORT COM PORT DTE PORT 3 PORT 4 PORT 1 PORT 2 CLOCK IN 120Ω 75Ω 75Ω 120Ω RX SHIELD OPEN EARTH...

Page 22: ...il LED blinks ON and Off continuously F1 Self Test In Progress F2 F3 2 All the LEDs then start to flash 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...

Page 23: ...ss 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 Drop Insert Interface to t...

Page 24: ...ont Panel The E1 DSU CSU 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 DSU CSU front panel on an attached PC see Appendix G Front Panel Emulation F1 F2 F3 OK FAIL TEST SIG OOF ALRM NETWORK RXD EER SIG ALRM PDV OOF BPV LCD ACCULINK In Out In Out In Out NET NET MON EQPT MON DTR TXD CTS RTS 496 14539 03 KEYPAD TEST ...

Page 25: ...e second 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 u...

Page 26: ...oll keys to bring the additional options onto the screen F1 F2 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 Figure 3 4 Test Jacks LEDs There are twelve LEDs on the E1 DSU CSU front panel The five LEDs on the right Figure 3 5 are shared between the DTE Drop Insert port and the data ports Refer to the Se...

Page 27: ...rs the signal being received from the network ON A recoverable signal is being received from the network OFF The signal cannot be recovered from the network a Loss of Signal condition exists OOF Yellow Monitors Out Of Frame OOF conditions on the received network signal ON At least one OOF was detected on the signal during the sampling period OFF No OOFs were detected on the signal during the sampl...

Page 28: ...on the received DTE Drop Insert signal ON An alarm condition LOS LOF EER RAI AIS exists on the received DTE Drop Insert signal Use the Device Health and Status command to determine the alarm type OFF No alarm condition exists on the DTE Drop Insert Interface signal PDV Yellow Monitors Pulse Density Violations PDV on the received DTE Drop Insert signal ON At least one PDV was detected and corrected...

Page 29: ...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 DSU CSU 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...

Page 30: ...at Test Cnfig F2 F3 2 Press the key three times on the Status screen to bring the ID selection onto the front panel LCD F1 Status DevHS STest Perf F2 F3 3 Press F3 to select ID from the Status screen 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 xxxx xx xxx F2 F3 NOTE The third from last dig...

Page 31: ...selection appears on the front panel LCD 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 cha...

Page 32: ...ion F1 Status DevHS STest Perf F2 F3 3 Select LED from the Status screen 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 signals two at a time on the second line A vertical b...

Page 33: ...ly presented with menu choices that are consistent with the current configuration and operational state of the E1 DSU CSU invalid combinations of configuration options do not appear For example menus displayed for the Model 3172 2 ports and the Model 3174 4 ports differ due to the number of ports available Also if the DTE Drop Insert interface selection is disabled many of the menu choices do not ...

Page 34: ...ect 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 Press F1 to select Edit F1 Choose Funct Edit Save F2 F3 4 From the Edit screen select the functional group you want to edit by pressing the appropriate Function key Use the scroll keys if necessary The NET selection is shown as an ...

Page 35: ... F1 Save Edit to Activ Cust1 F2 F3 Selecting Copying to a Specific Port For the E1 DSU CSU you have the capability of selecting a specific port to configure and then copying the configuration options from that port to another port or to all ports To select a specific port to configure 1 Press F3 to select Cnfig from the top level menu screen 2 Select the configuration option set to be copied into ...

Page 36: ...ecting 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 DSU CSU can be daisy chained together by connecting the COM port of one device to the AUX port of the other providing SNMP connect...

Page 37: ...e top level menu screen 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 Press F1 to select Edit 4 Press the key from the Edit screen to display the SNMP selection 5 Select SNMP F1 Edit User Alarm SNMP F2 F3 6 Press F1 to select Gen from the SNMP Config screen F1 SNMP Config Gen Trap F2 F3 7 Press F1 Next...

Page 38: ...he elapsed time Full negotiation of escape characters The E1 DSU CSU implementation of PPP does not support Link Quality Reports LQR compression encryption Password Authentication Protocol PAP or Challenge Authentication Protocol CHAP The E1 DSU CSU 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 communic...

Page 39: ... Gen from the SNMP Config screen 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...

Page 40: ...of the network The SNMP 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...

Page 41: ... 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 Press F3 to select Cnfig from the top level menu screen 2 Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if n...

Page 42: ...nnected 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 DTE Drop Insert interface and then any ports if desired See Figures 3 6 and 3 8 for examples of conceptual diagrams of channel configurations Blank configuration worksheets are provided at the back of Appendix C Configura...

Page 43: ...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 DROP INSERT INTERFACE NETWORK INTERFACE 496 14899 AUTOMATIC ALLOCATION N1 D1 N2 D2 ETC Figure 3 6 Example of Channel Allocation with TS16 Reserved for Signaling ...

Page 44: ...2 N30 Prt2 N31 Prt3 Allocations D1 D31 indicates allocation to DTE Drop Insert channels Prt1 Prt4 indicates allocation to synchronous data ports DTE Drop Insert Interface Drop Insert 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 Netwo...

Page 45: ... 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 DROP INSERT INTERFACE NETWORK INTERFACE 496 14898 Figure 3 8 Example of Channel Allocation with TS16 Available for Data ...

Page 46: ...9 Prt2 N30 Prt2 N31 Prt3 Allocations D1 D31 indicates allocation to DTE Drop Insert channels Prt1 Prt4 indicates allocation to synchronous data ports DTE Drop Insert Interface Drop Insert 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 ...

Page 47: ... 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 Assign To NET DTE Prt1 Prt3 Prt4 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 Nx56 56 112 168 224 280 336 392 448 504 560 616 672 728 784...

Page 48: ...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 Assign To NET DTE Prt1 Prt2 Prt3 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 Nx56 56 112 168 224 280 336 392 448 504 560 616 672 ...

Page 49: ...he DS0 channel is allocated to the DTE Drop Insert interface DS0 channel n where n can be any number from 1 through 31 To display the DS0 channel allocation 1 Press F3 to select Cnfig from the top level menu screen 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 Press F1 to select Edit 4 Press the key fr...

Page 50: ... rate Only those initial DS0 channel numbers that provide enough bandwidth based on the port s data rate are displayed on the screen These channels are automatically assigned to the destination E1 interface 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 s...

Page 51: ... Rate F1 Assign By Block Next Block Chan F2 F3 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 Sta...

Page 52: ...cate a port press the 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 This is the default for TS16 Allocating DS0 Channels from the Drop Insert Interface to the Network Interface You can allocate DS0 channels from the DTE Drop Inse...

Page 53: ...s screen F1 TS16 Rsvd Data Rsvd F2 F3 10 From the DTE Channels screen press F2 to 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 sam...

Page 54: ...twork E1 interface Or select DTE to clear all DS0 channels assigned to the DTE Drop Insert interface Or select a port to clear all assignments for that data port F1 Clear Channel NET DTE Port1 F2 F3 Providing Backup Capability If the E1 network fails the E1 DSU CSU provides the ability to reconfigure the unit and restore at least partially priority data circuits through an external backup device Y...

Page 55: ...s internal clock The clock source configuration options enable you to select either the Network E1 interface a synchronous data port the internal clock the DTE Drop Insert 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 configuri...

Page 56: ... above For more information on configuration options refer to Appendix C Configuring for External Timing To configure the E1 DSU CSU for external timing 1 Press F3 to select Cnfig from the top level menu screen 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 Press F1 to select Edit 4 Press the key from t...

Page 57: ...ser interface regardless of what screen was displayed at the previous active user interface F1 DSU E1 CEPT 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 the currently active interface is in use On the screen either Ft Panel front panel or COM Po...

Page 58: ...the Ctrl selection on the top level menu screen F1 DSU E1 CEPT Stat Test Cnfig F2 F3 2 Press F3 to select Ctrl from the top level menu screen 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 DSU CSU the power up se...

Page 59: ...Test or Ctrl branches are available All functions on the Stat branch are available All functions on the Cnfg branch are available for display but they cannot be used to save to a configuration area Activ Cust1 Cust2 or Fact You can only reach the screen that controls security access using the front panel Changing User Interface Access Security To change user interface access security 1 Press the k...

Page 60: ...ts 4 15 Starting a Line Loopback 4 16 Starting a Payload Loopback 4 16 Starting a DTE Loopback 4 17 Starting a Repeater Loopback 4 17 Starting a Data Channel Loopback 4 18 Starting a Data Terminal Loopback 4 19 Aborting Loopbacks 4 19 Test Patterns 4 20 Sending Test Patterns 4 20 Monitoring Test Patterns on Individual Data Ports 4 22 Aborting Test Patterns 4 22 Lamp Test 4 23 Starting a Lamp Test ...

Page 61: ...able 4 1 Self Test Health Messages Message Description Passed No problems were found during power up CPU fail The central processing unit failed internal testing DTE E1 fail The unit failed to internally loop data on the DTE circuit Failure xxxxxxxx An 8 digit hexadecimal failure code is provided for service personnel LCD fail The front panel liquid crystal display LCD failed Memory fail The unit ...

Page 62: ...priority message is displayed The message DSU Operational appears when there are no other messages To display device health and status 1 Press F1 to select Stat from the top level menu screen F1 DSU E1 CEPT Stat Test Cnfig F2 F3 2 From the Status screen press F1 to select DevHS F1 Status DevHS STest Perf F2 F3 Alarm status messages appear on Line 2 of the LCD in priority order highest to lowest 3 ...

Page 63: ...econdary clock Second Clk fail The primary clock and the secondary clock have failed Timing for the E1 DSU CSU is provided by the internal clock OOF at Prtn An Out Of Frame has been detected on data port Prtn where n is the port number 1 2 for the 3172 or 1 4 for the 3174 This condition only occurs if the synchronous data port s Embedded Data Link EDL is enabled EER at Prtn The error rate of the r...

Page 64: ...s that collect performance data for the previous 8 hour period Registers shown on the front panel LCD are listed in Table 4 3 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 a...

Page 65: ...work registers from the E1 DSU CSU via the ClrReg command in the Control branch of the front panel menu To clear the user performance registers 1 Press the key on the top level menu screen to bring the Ctrl branch onto the front panel LCD F1 DSU E1 CEPT Stat Test Cnfig F2 F3 2 Press F3 to select Ctrl from the top level display screen F1 DSU E1 CEPT Test Cnfig Ctrl F2 F3 3 Select ClrReg F1 Control ...

Page 66: ... The number of unavailable seconds for the current interval An unavailable second is any one second interval when service is unavailable 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 Detection occurs with 10 consecutive unavailable seconds SES The number of severely errored ...

Page 67: ... once during the interval The event is identified by a letter as follows R A Remote Alarm Indication has been received on the network interface L Loss Of Signal has occurred on the network 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...

Page 68: ...rface Alarm Cleared An Excessive Error Rate at the Network Interface 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 Continuous Out Of Frame condition detected at synchronous data port n where n is the port number 1 2 for Model 3172 DSU CSUs or 1 4 for Model ...

Page 69: ...ized an enterprise specific event See Table 4 4 for enterprise specific traps These traps are set 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 communic...

Page 70: ...op Insert cable problem 2 No signal being transmitted from the DTE 1 Check that the DTE Drop Insert cable is securely attached at both ends 2 Check the DTE status Message OOF at Net appears 1 Incompatible framing format between the network and the E1 DSU CSU 2 Network cabling problem 3 E1 facility problem 1 Check that the framing format for the network interface is correct 2 Check that the network...

Page 71: ...t the DTE cable is securely attached at both ends A failure message appears followed by an 8 digit code Internal E1 DSU CSU problem Record the 8 digit code then contact your 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 ...

Page 72: ... that allows a signal to be inserted toward the network by external test equipment The signal is inserted on the DTE side of the E1 DSU CSU NET Out Network Out A break in test jack that interrupts the signal coming from the network and allows it to be terminated by the external test equipment EQPT MON In Equipment Monitor In A monitor jack that nonintrusively monitors the signal going into the ter...

Page 73: ...Test Combination appears To send a Data Channel Activation or Deactivation loopback sequence to the far end E1 DSU CSU 1 Press F2 to select Test from the top level menu screen 2 From the Test screen press F1 to 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 want to perform F1 Rem Loopback DCLBUP D...

Page 74: ...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 DSU CSU 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 ad...

Page 75: ... 8 for 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 DTE Drop Insert port as possible after it has passed through the framing circuitry of the E1 DSU CSU Therefore framing CRCs and BPVs are corrected To perform a Payload loopback 1 Press F...

Page 76: ... F3 3 From the Loopback screen press once to display the DLB selection on the screen F1 Loopback Abort LLB PLB F2 F3 4 Press F3 to 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 8 for valid ...

Page 77: ...k occurs after the data passes through the port circuitry but before it is sent out the data port To perform a Data Channel loopback 1 Press F2 to select Test from the top level menu screen 2 From the Test screen press F2 to select Lpbk F1 Test Rlpbk Lpbk Ptrns F2 F3 3 From the Loopback screen press three times to display the DCLB selection on the screen F1 Loopback Abort LLB PLB F2 F3 4 Press F3 ...

Page 78: ... 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 loopbacks is in progress the error message Invld Test Combo ...

Page 79: ...ill be running You can use the TStat branch of the menu to view the test status to determine if the abort was successful Test Patterns Use the Test Pattern commands to send and abort transmission of test patterns on the E1 DSU CSU network Available test patterns are 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 pattern con...

Page 80: ... 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 DSU CSU 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 9 for valid combinations Table 4 9 Valid Send Test Pattern Combina...

Page 81: ...for QRSS or F2 for 511 F1 Patterns Mon QRSS 511 F2 F3 5 From the Monitor screen press the Function key that corresponds to the port for which you want to monitor a 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 synchroniza...

Page 82: ...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 DSU CSU terminates the selected test pattern and displays the message Command Complete Lamp Test Use the Lamp Test ...

Page 83: ...mp 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 press F1 to select Abort F1 Lamp Test Abort Start F2 F3 Displaying E1 DSU CSU Test Status Use the Test Status command to display the active tests for the E1 DSU CSU Status messages t...

Page 84: ...on Port n Port n is in a data terminal loopback 1 8 Test Active A 1 in 8 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 alloca...

Page 85: ... Activ Cust2 Ctrl Rel ClrReg Reset CID LED DL DTE Prt1 Prt2 Prt3 Prt4 PLB DLB RLB LLB Abort DCLB DTLB Abort Send Mon QRSS 1in8 511 QRSS 511 NET Prt1 Prt2 Prt3 Prt4 Far Near Activ Cust1 Cust2 Fact Prtn NET Far Near Cur 8Tot Intvl Cur 24Tot Intvl 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 DCLBUP DCLB...

Page 86: ...dc 0 25A POWER CONSUMPTION AND DISSIPATION 16 0 watts 55 0 Btu per hour at 115 volts ac power 12 0 watts 41 Btu per hour at 24 and 48 Vdc dc power DTE Drop Insert INTERFACE Physical Interface Framing Format Coding Format DB15 socket for 120 ohm twisted pair balanced CRC 4 non CRC 4 AMI HDB3 NETWORK E1 INTERFACE Physical Interface Framing Format Coding Format Signal Recovery Capability Typical Driv...

Page 87: ...labeling CLOCKING SOURCES E1 network interface synchronous data port internal clock DTE Drop Insert interface or external clock PHYSICAL DIMENSIONS Height Width Depth 3 90 inches 10 0 cm 7 63 inches 19 4 cm 12 13 inches 30 8 cm WEIGHT 3 6 pounds 1 7 kg ENVIRONMENT Operating Temperature Storage Temperature Relative Humidity Shock and Vibration 32 F to 122 F 0 C to 50 C 4 F to 158 F 20 C to 70 C 5 9...

Page 88: ...le C 2 Network Interface Configuration Options The Network Interface configuration options configure the Network E1 interface on the E1 DSU CSU Table C 3 Channel Configuration Options The Channel configuration options configure the DTE Drop Insert and synchronous data port channel allocations on the E1 DSU CSU Tables C 4 and C 5 General Configuration Options The General configuration options confi...

Page 89: ...he 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 DTE Drop Insert Interface section in Appendix D Pin Assignments Enab Allows the E1 DSU CSU to begin a DLB when the external contact is closed if the current E1 DSU CSU state allo...

Page 90: ...ork Initiated DCLB Allows the initiation and termination of a Data Channel Loopback V 54 loop 2 by the receipt of a V 54 DCLB actuate sequence or DCLB release sequence from the network or far end E1 DSU CSU Enab Allows the E1 DSU CSU to begin a DCLB for this port when it receives a DCLB actuate sequence if the current E1 DSU CSU state allows a DCLB to be performed Receiving a DCLB release sequence...

Page 91: ...port is clocked using an internal clock provided by the E1 DSU CSU 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 DSU CSU Int Indicates the clock is provided internall...

Page 92: ...It is cleared with less than 1 984 errors in ten seconds 10E 5 10E 5 Threshold For example 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...

Page 93: ...isabled NOTE If the local E1 DSU CSU is configured to maintain far end performance statistics then the remote E1 DSU CSU 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 ...

Page 94: ...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 and does not appear if EDL is enabled for SNMP NOTE If the local E1 DSU CSU s FDL is enabled for SNMP the remote E1 DSU CSU s FDL must also be enabled for SNMP Circuit Ident Next Edit Clear Prev Network Circuit Identifier S...

Page 95: ... Specifies that TS16 is available for data Rsvd Specifies that TS16 is reserved for signaling information NOTE Changing this configuration option from one selection to the other Data or Rsvd deallocates all DS0 channels assigned to either the Network E1 interface or the DTE Drop Insert interface N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N11 N12 N13 N14 N15 N31 DTE Drop Insert Channel Allocation Assigns DS0 c...

Page 96: ...rt1 from the Channel Config screen Prt2 Prt3 and Prt4 appear for the 3174 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 Next takes you directly to the Po...

Page 97: ...y is set to that synchronous data port the external device must provide a clock of 8 kbps less than the expected data port rate For example if you select 64 kbps the external clock source must supply a 56 kbps clock signal NOTE For the 3174 DSU CSU there is a hardware limitation that limits the combined bandwidth used by Port1 and Port3 to a total of 2048 kbps and the combined bandwidth used by Po...

Page 98: ...nnel is allocated to the Network E1 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 DTE Drop Insert 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...

Page 99: ... DSU CSU Failure of the 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 Network E1 interface as the s...

Page 100: ...iary port of an another 31xx 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 you should change the Daisy selection as appropriate to ensure that the correct parameters have been negot...

Page 101: ... Next 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 ...

Page 102: ...y 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 31xx Series device NOTE The Daisy or SNMP selection requires the use of a customer supplied 8 pin to 8 ...

Page 103: ...o the 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 S...

Page 104: ...ontact 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 t...

Page 105: ... 2 is used Write access 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 DSU CSU Specifies the IP address needed to access the E1 DSU CSU Since this IP Address is not bound to a particular port it can be used for remote access via the FDL or EDL man...

Page 106: ...s 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 Link PPP Next PPP...

Page 107: ... 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 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 ...

Page 108: ...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 is 1 4 This selection only appear...

Page 109: ...ently configured trap manager s Both Sends trap messages for linkUp and linkDown events to the currently configured trap manager s NOTE This configuration option is not available and does not appear 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...

Page 110: ...d Ones Enab Disab Net Options Value NET Frame CRC4 noCRC Mgmt Link Disab SNMP 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 Length 7 8 CP...

Page 111: ...L Enab 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 Base Rate Nx64 Nx56 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 1...

Page 112: ...31 Allocations D1 D31 indicates allocation to DTE Drop Insert channels Prt1 Prt4 indicates allocation to synchronous data ports DTE Drop Insert Interface Drop Insert 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 E1 Channels Prt1 Prt4 indicates allocation to syn...

Page 113: ...lect 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 Assign To NET DTE Prt1 Prt3 Prt4 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 Nx56 56 112 168 224 ...

Page 114: ...ct 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 Assign To NET DTE Prt1 Prt2 Prt3 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 Nx56 56 112 168 224 28...

Page 115: ...ess 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 Do...

Page 116: ...V 35 Cable Interface D 10 EIA 530A to X 21 Cable Interface D 12 Power Input Connector D 14 Optional DC Power Cable D 14 External Clock Interface D 15 Overview The E1 DSU CSU is shipped with a power module Various other interconnecting cables are available from the company For cable feature numbers refer to Appendix H Equipment List This appendix describes the connector pin assignments for the E1 D...

Page 117: ...rface or an RJ48C 8 position unkeyed modular connector Table D 1 for a 120 ohm balanced interface The E1 120 ohm network interface adapter cable is shown in Figure D 1 Table D 1 E1 120 Ohm Balanced Interface Connector Signal Pin Number Receive Ring 1 Receive Tip 2 Receive Shield 3 Transmit Ring 4 Transmit Tip 5 Transmit Shield 6 Figure D 1 E1 120 Ohm Network Interface Adapter Cable ...

Page 118: ...tion of Appendix C The DTE Drop Insert cable Figure D 2 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 DSU CSU end to prevent ground loops Table D 2 DTE Drop Insert Connector Signal Pin Number Receiver Tip from DTE 1 Receiver Ring from DTE 9 Transmitter Tip to DTE 3 Transm...

Page 119: ... 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 to ensure that the correct parameters have been negotiated for the link layer Table D 3 AUX Port Connector Sig...

Page 120: ...o PC cable is shown in Figure D 3 and the COM port to terminal printer cable is shown in Figure D 4 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 to ensure t...

Page 121: ...ACCULINK 317x E1 DSU CSU D 6 December 1996 3170 A2 GB20 20 Figure D 3 COM Port to PC Cable Figure D 4 COM Port to Terminal Printer Cable ...

Page 122: ...ived Data BB 104 From DSU CSU 3 A 16 B Request to Send CA 105 To DSU CSU 4 A 19 B Clear to Send CB 106 From DSU CSU 5 A 13 B Received Line Signal Detector CF 109 From DSU CSU 8 A 10 B DCE Ready CC 107 From DSU CSU 6 DTE Ready CD 108 1 2 To DSU CSU 20 Transmit Signal Element Timing DTE Source DA 113 To DSU CSU 11 B 24 A Transmit Signal Element Timing DCE Source DB 114 From DSU CSU 12 B 15 A Receive...

Page 123: ...4 22 6 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 4...

Page 124: ...om DSU CSU 6 A 24 B Request to Send RS 105 To DSU CSU 7 A 25 B Clear to Send CS 106 From DSU CSU 9 A 27 B Receiver Ready RR 109 From DSU CSU 13 A 31 B Data Mode DM 107 From DSU CSU 11 A 29 B Terminal Ready TR 108 1 2 To DSU CSU 12 A 30 B Terminal Timing TT 113 To DSU CSU 17 A 35 B Send Timing ST 114 From DSU CSU 5 A 23 B Receive Timing RT 115 From DSU CSU 8 A 26 B Local Loopback LL 141 To DSU CSU ...

Page 125: ...1 2 14 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 6 EIA 530A to V 35 Cable ...

Page 126: ... Send 106 From DSU CSU D Data Channel Received Line Signal Detector 109 From DSU CSU F Data Set Ready 107 From DSU CSU E Data Terminal Ready 108 1 2 To DSU CSU H Transmit Signal Element Timing DTE Source 113 To DSU CSU U A W B Transmit Signal Element Timing DCE Source 114 From DSU CSU Y A AA B Receiver Signal Element Timing DCE Source 115 From DSU CSU V A X B Local Loopback 141 To DSU CSU L Loopba...

Page 127: ... the X 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 7 EIA 530A to X 21 Cable ...

Page 128: ...n 102 8 Transmitted Data 103 To DSU CSU 2 A 9 B Received Data 104 From DSU CSU 4 A 11 B Request to Send 105 To DSU CSU 3 A 10 B Data Channel Received Line Signal Detector 109 From DSU CSU 5 A 12 B Transmit Signal Element Timing DTE Source 113 To DSU CSU 7 A 14 B Receiver Signal Element Timing DCE Source 115 From DSU CSU 6 A 13 B ...

Page 129: ...The power 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 8 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 sam...

Page 130: ...Clock connector pinouts are in Table D 10 A cable diagram is shown in Figure D 9 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 9 External Clock Connector ...

Page 131: ...rprise 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 DSU CSU 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 DSU CSU impl...

Page 132: ...tative identification of the network management subsystem contained in the unit This object displays the following object identifier 3172 1 3 6 1 4 1 74 1 14 2 2 5 3174 1 3 6 1 4 1 74 1 14 2 2 6 System Group sysServices Object system 7 This object provides a value which indicates the set of services that are potentially offered by the E1 DSU CSU Only the following values are supported by the E1 DS...

Page 133: ...ides the textual information about the interface Each interface displays a text string as shown below Network E1 Network E1 E1 DSU CSU Hardware Version CCA number for the CSU board DTE E1 DTE E1 E1 DSU CSU Hardware Version CCA number for the CSU board COM COM port E1 DSU CSU Hardware Version CCA number for the CSU board AUX AUX port E1 DSU CSU Hardware Version CCA number for the CSU board Data Por...

Page 134: ...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 interface is up 1 when no alarm conditions exist The interface is do...

Page 135: ...IP Group MIB II The IP Group objects are supported by the E1 DSU CSU for all data paths which currently are configured to carry IP data to or from the E1 DSU CSU 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 DSU CSU and will be empty i e...

Page 136: ...tation ipRouteMetric3 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 ipRoute...

Page 137: ...d by the E1 DSU CSU UDP Group MIB II The User Datagram Protocol UDP Group objects are fully supported by the E1 DSU CSU Transmission Group MIB II Objects in the transmission group are supported on the network and DTE Drop Insert 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 s...

Page 138: ... the network interface only An error status is returned if access is attempted for the DTE Drop Insert 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 DSU CSU Only the following values are supported by the E1 DSU CSU dsx1E1 4 Indicates non CRC 4 framing dsx1E1 CRC 5 Indicates...

Page 139: ...f Signal LOS condition has persisted for more that 2 5 seconds dsx1LoopbackState 128 The near end of the E1 interface is in a loopback state dsx1Other Failure 4096 An Excessive Error Rate EER has been detected on the network interface Near End Group dsx1SignalMode Object dsx1ConfigEntry 11 This object specifies whether time slot 16 TS16 is reserved for signaling Only the following values are suppo...

Page 140: ...Interval Table Objects dsx1IntervalEntry The following DS1 interval table objects are provided for the network interface only Objects in the table that are not listed are not supported and will return an error status if access is attempted dsx1IntervalIndex The index that identifies the E1 interface dsx1IntervalNumber The interval number 1 to 96 dsx1IntervalESs Errored Seconds for the interval dsx...

Page 141: ...nding network channels e g D1 to N1 etc otherwise an error is returned to the SNMP manager RS 232 like MIB RFC 1317 The rs232 object defined by RFC 1317 is supported for all of the synchronous data ports the COM port and the AUX port The RS 232 like MIB consists of one object and five tables as follows Number of RS 232 like ports The General Port Table The Asynchronous Port Table The Synchronous P...

Page 142: ...he input speed of the 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 General Port Table rs232PortOutSpeed Object rs232PortEntry 6 This object contains the port s output speed in bits per second For the E1 DSU CSU the rs232PortInSpeed object has the same value as the rs232PortOutSpeed object The input sp...

Page 143: ... 2 The port uses an external clock Input Signal Table RS 232 like MIB This table contains entries for the input signals that can be detected by the unit for each of the synchronous data ports Input Signal Table rs232InSigName rs232InSigEntry 2 This object contains the identification of a hardware input signal Only the following values are supported by the E1 DSU CSU rts 1 Request To Send dtr 4 Dat...

Page 144: ...S 511 test pattern on a synchronous data port Start stop the DCLB DTLB loopback test on a synchronous data port The following object identifiers control tests on the interface noTest Stops the test in progress on the interface testFullDuplexLoopBack Initiates a DCLB on the interface Only supported for the data ports testLoopDTLB Initiates a DTLB on the interface Only supported for the data ports t...

Page 145: ... synchronized on the requested pattern Where these object identifiers are 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 Paradyne Enterprise MIB The variable devConfigAreaCopy under the d...

Page 146: ... E1 dsx1LossOfSignal dsx1LossOfFrame dsx1RcvFarEnd dsx1RcvAIS dsx1OtherFailure Stat DevHS LOS at DTE OOF at DTE RAI at DTE AIS at DTE Read the dsx1LineStatus object for DTE E1 dsx1LossOfSignal dsx1LossOfFrame dsx1RcvFarEnd dsx1RcvAIS Stat Perf NET Cur CurTimer ES UAS SES BES Read the value in following objects for NET E1 dsx1TimeElapsed dsx1CurrentES dsx1CurrentUAS dsx1CurrentSES dsx1CurrentBES St...

Page 147: ...om the System Group Test Rlpbk DCLBUP Prtn Set IfExtnsTestType for port n to testSendV54Up Test Rlpbk DCLBDN Prtn Set IfExtnsTestType for port n to testSendV54Down Test Lpbk LLB Test Lpbk Abort LLB Set dsx1LoopbackConfig for Net E1 to dsx1LineLoop Set dsx1LoopbackConfig for Net E1 to dsx1NoLoop Test Lpbk PLB Test Lpbk Abort PLB Set dsx1LoopbackConfig for Net E1 to dsx1PayloadLoop Set dsx1LoopbackC...

Page 148: ... 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 Cnfig Activ Edit Chan DTE Assign Set Display dsx1FracNumber and dsx1FracIfindex for DTE E1 Cnfig Activ Edit Chan DTE TS16 Display dsx1SignalMode for D...

Page 149: ...ailable 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 31xx 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 31xx Series device connected...

Page 150: ... 3 6 1 0 C O M S P H E R E 3 6 1 0 CO MS PH ER E 361 0 CO MS PH ER E 361 0 CO MS PH ER E 361 0 CO MS PH ER E 361 0 135 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 NETWORK Figure F 1 Daisy Chained Standalone Devices at the Central Site ...

Page 151: ...ease 3 1 or 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 ...

Page 152: ...boxes 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 DSU CSU COM port configuration 5 Choose either a Local for near end E1 DSU CSU or Remote for far end E1 DSU CSU destination 6 If you cho...

Page 153: ...DSU CSU 24 48 Vdc 3174 A1 510 107765232 E1 120 Ohm Network Interface Cable 8 pin modular to DB15S 3100 F1 517 107782245 Modular COM Port to PC Cable 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 EIA 530A to RS449 422 Cable 3100 F1 5...

Page 154: ... 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 DSU CSU to display or print alarm messages asynchronous data Data transmission that is synchronized by a transmission start bit at the beginning of a character five to eight bits ...

Page 155: ... CHAP Challenge Authentication Protocol character A letter figure number punctuation or other symbol CID branch Customer Identification branch or the E1 DSU CSU menu tree client A device that receives a specific service such as database management from a server CLOCK IN interface The external clock interface on the E1 DSU CSU ClrReg branch Clear Performance Registers branch of the E1 DSU CSU menu ...

Page 156: ...he 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 message that indicates that an internal failure has been detected by the operating firmware An 8 digit code appears for use by service...

Page 157: ...n organization providing standards for the data communication industry EIA 530A An EIA standard for a high speed 25 position DCE DTE interface Enterprise MIB MIB objects unique to Paradyne devices enterprise specific trap A trap unique to 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 wi...

Page 158: ...tion of networks that predominantly use the TCP IP protocol internetwork An interconnected collection of networks also called an internet IP address Internet Protocol address The address used by the SNMP manager to access the device ISO International Standards Organization kbps Kilobits per second thousand bits per second LAN Local Area Network A network that spans a small geographic area e g a bu...

Page 159: ... system used for monitoring and controlling network devices node A connection or switching point on the network object SNMP A specific item within a Management Information Base MIB OOF Out Of Frame An error condition in which frame synchronization bits are in error option A hardware or software function that can be selected or enabled as part of a configuration process PAP Password Authentication ...

Page 160: ...s when power is removed register A part of the device s memory that holds stored values Rel branch Release branch of the E1 DSU CSU menu tree reset A reinitialization of the E1 DSU CSU that occurs at power up or in response to a reset command RFC Request for Comments The set of documents that describes the standard specifications for the TCP IP protocol suite RIP Routing Information Protocol A pro...

Page 161: ...mission that is synchronized by timing signals Characters are sent at a fixed rate TCP IP Transmission Control Protocol Internet Protocol The dominant protocol in the worldwide Internet time slot The allocated DS0 channel slot when DS0 channels are combined to form an aggregate bit stream trap SNMP A notification message to the SNMP manager when an unusual event occurs on a network device such as ...

Page 162: ...lf wireless communications The transmission of voice and or data over the airwaves XTXC External Transmit Clock V 24 circuit 113 1in8 Test A test pattern consisting of a one 1 followed by seven zeros on the network only 511 Test A pseudo random bit sequence PRBS that is 511 bits long on the data ports only This is a PRBS 29 1 test ...

Page 163: ...n condition front panel LED indication 3 6 Performance Report message 4 8 troubleshooting 4 12 C cabling equipment list H 1 examples 2 8 pin assignments D 1 D 15 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 Ident...

Page 164: ...tion table C 2 option worksheet C 23 DTE Drop Insert interface channel allocation procedure 3 20 3 26 configuration options C 2 failure message 4 2 front panel LED indications 3 6 functional description 1 2 1 5 2 1 managed by SNMP 1 2 physical description 1 4 pin assignments D 3 technical specifications B 1 troubleshooting 4 11 DTE loopback DLB 4 17 configuration option C 2 external control interf...

Page 165: ...ndition front panel LED indication 3 5 3 6 Performance Report message 4 7 LOFC Loss Of Frame Count report 4 8 loopback front panel LED indication 3 5 local 4 15 4 20 abort 4 19 4 20 data channel loopback DCLB 4 18 data terminal loopback DTLB 4 19 DTE loopback DLB 4 17 C 2 D 3 line loopback LLB 4 16 payload loopback PLB 4 16 repeater loopback RLB 4 17 4 18 remote 4 14 LOS Loss Of Signal condition A...

Page 166: ...pecifications B 2 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 14 consumption B 1 optional power sources 2 5 2 7 B 1 D 14 requirement B 1 troubleshooting 4 11 power module 1 5 B 1 power up self test displaying results 4 2 front panel indications 2 9 3 5 troubleshooting 4 11 pri...

Page 167: ...C 20 F 1 switch rear panel 1 4 1 5 synchronous data port See PORT 1 4 interface T technical specifications B 1 temperature operating B 2 storage B 2 Test branch example of use 4 14 4 26 in the menu tree A 1 test commands 4 14 4 26 front panel LED indications 3 5 lamp test 4 23 4 24 local loopback 4 15 4 20 abort 4 19 4 20 data channel loopback DCLB 4 18 data terminal loopback DTLB 4 19 DTE loopbac...

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