Paradyne HotWire 7914 Скачать руководство пользователя

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Monitoring the Unit

6-4

7914-A2-GB20-00

February 1998

For example, pressing 1 at the stats prompt yields a screen like the following:

stats

→

Current 1 minute:

SDSL Errors:

T1 Errors:

FAW –

BPV – 0

CRC –

MOS –

FEBE –

FAS –

(D4 framing only)

CRC –

(ESF framing only)

Previous 1 minute:

SDSL Errors:

T1 Errors:

FAW –

BPV –

CRC –

MOS –

FEBE –

FAS –

(D4 framing only)

CRC –

(ESF framing only)

stats

→

Performance statistics have a maximum value of 65,536. If the maximum
value is reached, the statistic resets to zero.

Performance statistics are updated every second.

T1 Errors (BPV, MOS, FAS, and CRC) are only displayed for
DSX-1-compatible units that are operating in framed mode.

Interface

Counter

Meaning

SDSL

FAW

Frame Alignment Word. Loss of synchronization
was detected.

CRC

Cyclic Redundancy Check. An invalid CRC value
was detected.

FEBE

Far End Bit Error. An error was reported by the
remote equipment.

BPV

Bipolar Violation. Two consecutive pulses of the
same poalrity were detected.

MOS

Multiframe Out of Sync. Loss of synchronization
was detected.

FAS

Frame Alignment Signal. A loss of signal was
detected. (Shown only when Framing is set to D4.)

CRC

Cyclic Redundancy Check. An invalid CRC value
was detected. (Shown only when Framing is set to
ESF.)

Содержание HotWire 7914

Страница 1: ...HOTWIRE MODEL 7914 STANDALONE T1 SDSL TERMINATION UNIT USER S GUIDE Document No 7914 A2 GB20 00 February 1998...

Страница 2: ...make changes from time to time in the contents hereof without obligation of Paradyne Corporation to notify any person of such revision or changes Changes and enhancements to the product and to the in...

Страница 3: ...f products installed in separate buildings are interconnected the voltage potential may cause a hazardous condition Consult a qualified electrical consultant to determine whether or not this phenomeno...

Страница 4: ...se harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interfe...

Страница 5: ...Connecting to the Network 2 3 Connecting Power to the Unit 2 4 3 Using Terminal and Switchpack Modes Choosing a Configuration Mode 3 1 Connecting to a System Terminal 3 1 Switching Between Terminal a...

Страница 6: ...nitor 6 1 Board Status 6 1 Performance Statistics 6 3 Remote Unit Information 6 5 Front Panel LEDs 6 6 7 Testing Detecting a Problem 7 1 Understanding Loopback Tests 7 1 Local Loopbacks 7 2 Remote Loo...

Страница 7: ...ble B 1 SDSL Connection Cable Pin Assignments B 2 T1 Network Connection Cable Pin Assignments B 3 V 35 V 11 Connection Cable Pin Assignments B 4 DB25 to V 35 Adapter Cable Pin Assignments B 5 C Switch...

Страница 8: ...tandalone version Model 7914 A1 xxx Document Summary Section Description Chapter 1 About Hotwire Model 7914 Termination Units Describes the features of each version of the Model 7914 and typical confi...

Страница 9: ...cepts and sections in alphabetical order Product Related Documents Document Number Document Title 7900 A2 GB20 Hotwire Model 7900 Basic Maintenance Processor User s Guide 7900 A2 GN20 Hotwire Model 79...

Страница 10: ...Standards Association CSA loop standards The Hotwire 7914 supports V 35 V 11 or DSX 1 interface Fractional T1 using one twisted copper pair Tolerance of bridged taps Local and remote alarm surveillanc...

Страница 11: ...ower supply 120 Vac or 220 Vac Model Number Features 7914 A1 201 1 544 Mb s DSX 1 compatible Connection to 120 Vac power supply 7914 A1 202 1 544 Mb s V 35 V 11 compatible Connection to 120 Vac power...

Страница 12: ...nits In each pair one unit is configured as a central site or central office CO unit and the other is the remote or customer premises CP unit The Hotwire Model 7914 standalone unit is configured at th...

Страница 13: ...Nest containing Hotwire Model 7914 nest cards The nest cards at the central site each terminate a single SDSL subscriber line Each line is then converted to a DSX 1 interface for connection to other c...

Страница 14: ...cellular network access application Switch Mgmt Station 7900 Nest Nest Cards Telco 2 wire facilities between Cell Sites and MTSO Customer Premises Central Site DSX 1 DSX 1 Unit DSX 1 DSX 1 Unit DSX 1...

Страница 15: ...rmination unit using a 120 Vac or 230 Vac power supply Model 7914 A1 20x or 7914 A1 30x Package Checklist for Hotwire Model 7914 A1 Verify that your package contains the following Hotwire Model 7914 A...

Страница 16: ...ital services including ADSL HDSL or ISDN Measure or estimate the length of the phone line you plan to use Hotwire 7914 Termination Units support connections as distant as 18 000 feet over three miles...

Страница 17: ...2 V 35 V 11 compatible units only Use either a DB25 to V 35 adapter cable see DB25 to V 35 Adapter Cable Pin Assignments in Appendix B for pin assignments or a cable with DB25 connectors Connect one...

Страница 18: ...transformer into the appropriate 115 or 230 Vac power outlet Connect the power lead into the 48 Vdc jack on the rear panel To obtain information on the power supplies and power cord adapters availabl...

Страница 19: ...arameters by moving switches on the board You can still display information about the unit from the terminal and run loopback tests Any changes you made in Terminal Mode are lost when you change to Sw...

Страница 20: ...ocedure Use electrostatic discharge ESD protection when handling the circuit board To change the mode 1 Power down the unit and expose the circuit board by loosening the two screws on the back panel o...

Страница 21: ...n Menu while in Terminal Mode Changing switch settings on the board while in Switchpack Mode The Main Menu for a DSX 1 compatible unit on the customer premises CP side appears as follows Command G123...

Страница 22: ...ing Changes in Switchpack Mode on page 4 4 To access the Board Configuration menu enter 3 at the Main Menu Command prompt The following example shows the menu that appears for a CP unit Command 3 Boar...

Страница 23: ...D4 Unframed Extended Superframe Default Setting D4 Specifies the type of framing to be used To toggle the framing method enter 3 at the Config prompt D4 Commonly used framing method on T1 circuits con...

Страница 24: ...tatic discharge ESD protection when handling the circuit board To open the unit and make changes while in Switchpack Mode 1 Power down the unit and remove the enclosure cover exposing the circuit boar...

Страница 25: ...time slots to accommodate the V 35 V 11 payload rate refer to the Maximum Payload Rate column in Table C 1 on page C 2 Contact your network administrator to verify your starting time slot selection as...

Страница 26: ...ted in Appendix C Switchpack Definitions S3 S2 S1 LBO SETTING 0 0 0 0 to 133 feet 0dB 0 0 1 133 to 266 feet 0 1 0 266 to 399 feet 0 1 1 399 to 533 feet 1 0 0 533 to 655 feet 1 0 1 7 5 dB 1 1 0 15 dB 1...

Страница 27: ...erminal Mode Changing switchpack and jumper settings on the board hardware while in Switchpack Mode The Main Menu for a V 35 V 11 compatible unit on the customer premises CP side appears as follows Co...

Страница 28: ...enus but any configuration changes must be made using the switchpacks and jumpers on the board hardware Refer to Making Changes in Switchpack Mode on page 5 4 To access the Board Configuration menu en...

Страница 29: ...14 896 kbps 14 x 64 U 1544 kbps 4 256 kbps 4 x 64 15 960 kbps 15 x 64 Unframed 5 320 kbps 5 x 64 16 1024 kbps 16 x 64 N No Change 6 384 kbps 6 x 64 17 1088 kbps 17 x 64 7 448 kbps 7 x 64 18 1152 kbps...

Страница 30: ...hpack or jumpers in the correct position for each desired configuration option 4 Replace the enclosure cover and power up the board to reset and enable the new configuration Selecting V 35 or V 11 Sig...

Страница 31: ...22x64 10110 448 7x64 00111 1472 23x64 10111 512 8x64 01000 1536 24x64 11000 576 9x64 01001 1536 24x64 11001 640 10x64 01010 1536 24x64 11010 704 11x64 01011 1536 24x64 11011 768 12x64 01100 1536 24x64...

Страница 32: ...tor option from the Main Menu Board Status and Performance Monitor options from the STUC or STUR Menu for displaying information about the unit on the other end of the connection Front Panel LEDs Boar...

Страница 33: ...splays one of the following Network is Up Receive Carrier Loss Receive Remote Alarm Receive Unframed All 1 s DTR and DSR are either Active or Inactive DSR becomes active in response to DTR with SDSL l...

Страница 34: ...ng total These statistics can be cleared and restarted at any time Enter 2 at the Command prompt to display the Performance Monitor menu Command 2 Performance Monitor Time Since Board Power Up or Rese...

Страница 35: ...tistics are updated every second T1 Errors BPV MOS FAS and CRC are only displayed for DSX 1 compatible units that are operating in framed mode Interface Counter Meaning SDSL FAW Frame Alignment Word L...

Страница 36: ...f the connection CO or CP From a terminal attached to a CP unit you can display information about the CO unit by using the STUC Menu options Similarly from a terminal attached to a CO unit the STUR Me...

Страница 37: ...R X D T X D 97 15717 Front Panel LEDs for V 35 V 11 Compatible Unit LED Meaning Local The local T1 interface has a loss of signal Remote The remote T1 interface has a loss of signal Loop Bk The unit i...

Страница 38: ...les a technician to isolate equipment on the SDSL circuit to determine where on the circuit trouble may be occurring Loopback takes the system off line Data received from T1 or V 35 V 11 application e...

Страница 39: ...til the loopback is disabled Terminal 97 15249 01 CO CP E1 HDSL 7900 7900 E1 HDSL 7900 7900 Diagnostic Equipment Diagnostic Equipment Loop Bk LED lights Figure 7 1 Local Loopback Initiated by the CO U...

Страница 40: ...led The Loop Bk LED on the local initiating unit does not light Terminal 97 15259 01 CO CP E1 HDSL 7900 7900 Diagnostic Equipment E1 HDSL 7900 7900 Diagnostic Equipment Loop Bk LED lights Figure 7 3 R...

Страница 41: ...st enter 5 at the Command prompt Command 5 Remote Loopback is Enabled Command 5 Remote Loopback is Disabled Resetting the Unit Enter R at the Command prompt to reset the board This is equivalent to cy...

Страница 42: ...on settings based on the types of units DSX 1 compatible or V 35 V 11 compatible on either end of the SDSL connection There are three combinations of the two types of units DSX 1 compatible units on b...

Страница 43: ...efinitions Configuration Option DSX 1 Compatible Unit Customer Premises DSX 1 Compatible Unit Central Site Card Type CP default CO T1 Line Encoding B8ZS or AMI Must be same as CP side Framing D4 Exten...

Страница 44: ...ode N A B8ZS or AMI Line Build Out N A Enter 4 at the Config command prompt Select from the following options 1 0 to 133 ft 2 133 to 266 ft 3 266 to 399 ft 4 399 to 533 ft 5 533 to 655 ft V 35 V 11 to...

Страница 45: ...iguration Option Settings Terminal Mode Defaults in Bold SDSL Card Type CP CO Payload Rate 1 1 x 64 64 kbps 17 17 x 64 1088 kbps 2 2 x 64 128 kbps 18 18 x 64 1152 kbps 3 3 x 64 192 kbps 19 19 x 64 121...

Страница 46: ...n assignments for the terminal cable from the front panel modular jack to your PC s COM port If your PC s COM port requires a 9 pin D shell connector the cable must use the following pin assignments 9...

Страница 47: ...42 01 1 4 5 7 8 2 3 7 6 8 20 4 5 Modular Pin 25 Pin D Shell Pin RXD TXD GND TXD RXD GND DSR DCD DTR RTS CTS SDSL Connection Cable Pin Assignments The SDSL modular connector that plugs into the rear pa...

Страница 48: ...n Cable Pin Assignments The modular connector that plugs into the rear panel of DSX 1 compatible units has the following pin assignments Pin Signal 1 Tx Ring 2 Tx Tip 3 open 4 Rx Ring 5 Rx Tip 6 8 ope...

Страница 49: ...Local Loopback Local loopback 140 N RDL Loopback Maintenance Remote loopback 103 P TXD Transmit Data A Data generated by DTE 104 R D RXD Received Data A Data received by DTE 103 S TXD Transmitted Dat...

Страница 50: ...in assignments 97 15569 13 12 11 10 9 8 7 6 5 4 3 2 1 25 24 23 22 21 20 19 18 17 16 15 14 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...

Страница 51: ...DSL Line Jack Position 1 2 3 7 8 Settings OFF CP ON CO OFF AMI line encoding ON B8ZS line encoding Starting Time Slot or Terminal Mode see Table C 1 OFF D4 ON ESF Default in bold 6 7 8 ON 1 2 3 4 5 S...

Страница 52: ...bps 23 x 64 3 ON ON OFF OFF OFF 1408 kbps 22 x 64 4 OFF OFF ON OFF OFF 1344 kbps 21 x 64 5 ON OFF ON OFF OFF 1280 kbps 20 x 64 6 OFF ON ON OFF OFF 1216 kbps 19 x 64 7 ON ON ON OFF OFF 1152 kbps 18 x 6...

Страница 53: ...hpack S5 for the different Line Build Out values Table C 2 Line Build Out Switches 1 3 on Switchpack S5 Switch Position Line Build Out 1 2 3 0 133 Feet OFF OFF OFF 133 266 Feet ON OFF OFF 266 399 Feet...

Страница 54: ...leave OFF Payload Rate see table OFF Terminal Mode ON Switchpack Mode Pins 1 2 2 3 Settings V 35 signaling V 11 signaling Default in bold 3 2 1 6 7 8 ON 1 2 3 4 5 OFF Internal timing ON External timi...

Страница 55: ...576 kbps ON OFF OFF ON OFF 10 x 64 640 kbps OFF ON OFF ON OFF 11 x 64 704 kbps ON ON OFF ON OFF 12 x 64 768 kbps OFF OFF ON ON OFF 13 x 64 832 kbps ON OFF ON ON OFF 14 x 64 896 kbps OFF ON ON ON OFF...

Страница 56: ...106 an output signal DCE to DTE Code Violation This is equivalent to a BPV Data Communications Equipment The equipment that provides the functions required to establish maintain and end a connection...

Страница 57: ...device that occurs at power up or in response to a reset command Request to Send An EIA lead standard for V 24 circuit CT 105 an input signal DTE to DCE Received Data An EIA lead standard for V 24 ci...

Страница 58: ...Mode 4 2 5 2 worksheets A 1 configuration worksheets DSX 1 compatible unit A 4 V 35 compatible unit A 4 A 6 configurations campus network 1 3 cellular 1 5 central site 1 4 customer service B D D4 fram...

Страница 59: ...1 5 of User s Guide v P packing list 2 1 part numbers for user documentation vi of all models 1 2 payload rate configuration options 5 3 Switchpack definitions screen 5 5 PC requirements 3 2 performan...

Страница 60: ...ble unit 4 2 overview 3 1 switching to and from 3 2 V 35 V 11 compatible unit 5 2 testing 7 1 time slot selection 4 5 U unframed 4 3 user interface 1 5 3 1 V V 11 jumper settings for C 4 V 35 adapter...

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