Paradyne 3160-A4 Network Card User Manual
Contents
1. Configuration option settings determine how the unit operates You can change a unit s configuration options by m Selecting the Board Configuration branch of the Main Menu while in Terminal Mode m Changing switchpack and jumper settings on the circuit board while in Switchpack Mode The Main Menu for a V 35 compatible unit on the customer premises CP side appears as follows Command G123 The G123 code denotes a successful startup ATTX CP T1 LOOP AB V 35 T1 HDSL HTUR Main Menu CP units are HDSL Termination Units Remote HTUR 1 Board Status CO units are HDSL Termination 2 Performance Monitor Units Central Office HTUC 3 Board Configuration 4 Board Reset 5 CP Local Loopback 6 CP Remote Loopback 7 HTUC Menu Redisplays this Menu Command This guide depicts the system terminal menus as they appear from a CP unit This is the default configuration for Model 7924 standalone units 7924 A2 GB20 30 October 1997 5 1 Customizing V 35 Compatible Units Making Changes from the Terminal Interface The Board Configuration menu displays the current board software and hardware settings It also allows you to change certain parameters on the board This function is affected by the status of the switchpack DIP switch control setting m When operating in Terminal Mode the system default you can make configuration changes through the terminal menus wm When operating in Switchpack Mo2. HotWire Models 7924 and 7925 T1 and E1 HDSL Nest Card Termination Units User s Guide HotWire Model 7925 Standalone E1 HDSL Termination Unit User s Guide To order additional product documentation refer to Warranty Sales and Service Information on page A at the beginning of this User s Guide vi October 1997 7924 A2 GB20 30 About HotWire Model 7924 Termination Units HotWire 7924 A1 Models and Features 7924 A2 GB20 30 Products in the HotWire 7924 family provide last mile last kilometer transport of T1 compatible circuits between customer facilities and central site equipment over 2 or 4 wire copper lines The units can be used over distances substantially exceeding traditional T1 spans and Canadian Standards Association CSA loop standards HotWire 7924 standard features include m V 35 or DSX 1 interface m Full support for T1 using two twisted copper pairs m Full support for fractional T1 using one or two twisted copper pairs m Automatic detection and compensation for inverted pairs and swapped loops which simplifies installation m Tolerance of bridged taps Local and remote alarm surveillance Local and remote T1 network and HDSL loop performance monitoring HotWire 7924 may be ordered either as a standalone unit 7924 A1 xxx or as a nest mounted card 7924 B1 xxx that fits in a HotWire 7900 nest This guide describes the installation and maintenance procedures for the standalone version Model 7924 A1 xx
3. y is selected the Main Menu reappears the loops go down and the FAIL reset LED lights up X Pressing any key other than y is interpreted as an n 7924 A2 GB20 30 October 1997 7 5 Worksheets Overview 7924 A2 GB20 30 The worksheets in this appendix show the correct configuration settings based on the types of units DSX 1 compatible or V 35 compatible on either end of the HDSL connection There are two combinations of the two types of units m DSX 1 compatible units on both ends m V 35 compatible unit on the CP end DSX 1 compatible unit on the CO end NOTE HotWire 7924 V 35 compatible units are not designed for use at both ends of an HDSL connection If your application requires V 35 equipment at both ends of an HDSL connection consider using two Hotwire 7925 E1 HDSL termination units Contact your sales representative for more information October 1997 A 1 Worksheets DSX 1 to DSX 1 Configuration A 2 Multiplexer DSX 1 ee pm en ae i facility l DSX 1 Unit E Customer Premises i Cross campus l 2 or 4 wire Multiplexer l l DSX 1 l l l DSX 1 Unit L l Central Site 97 15296 To connect two DSX 1 compatible units configure the units as follows Terminal mode factory defaults are in bold for Switchpack mode defaults see Appendix C Switchpacks and Jumpers Configuration DSX 1 Compatible Unit
4. 3 The V 35 compatible unit must have a hardware revision number of five 05 or higher To determine the hardware revision number look at the label on the bottom of the standalone unit that has the CE and CSA logos The second row of numbers on this label should be 900P005705 or higher The last two digits of this number 05 indicate the hardware revision number Time Slot DSO Assignments When the V 35 payload rate is set for less than 1536 kbps that payload rate determines which T1 DSOs are used as follows V 35 Payload Rate DSX 1 T1 DS0s Used 1 64 kbps 1 2 128 kbps 1 2 3 192 kbps 1 3 4 256 kbps 1 4 5 384 kbps 1 6 6 512 kbps 1 8 7 768 kbps 1 12 8 1024 kbps 1 16 A 4 October 1997 7924 A2 GB20 30 7924 A2 GB20 30 DSX 1 Compatible Units Configuration Worksheet Worksheets Board Configuration Configuration Option Settings Default in Bold Card Type CP CO Loops Enabled Dual Single T1 Line Encode B8ZS AMI Framing D4 Extended Superframe Unframed Line Build Out 1 0 to 133 feet 0 dB 2 133 to 266 feet 3 266 to 399 feet 4 399 to 533 feet 5 533 to 655 feet V 35 Compatible Units Configuration Worksheet Board Configuration Configuration Option Settings Default in Bold Card Type CP CO Loops Enabled Dual Single Payload Rate 1 1 x 64 64 kbps 2 2 x 64 128 kbps 3
5. DSX 1 Compatible Unit Option Customer Premises Central Site Card Type CP default CO Loops Enabled Dual Loops A amp B or Single Loop A Must be same as CP side T1 Line Encode B8ZS or AMI Must be same as CP side Framing D4 Extended Superframe Must be same as CP side or Unframed Line Build Out Enter 5 at the Config Enter 5 at the Config command 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 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 October 1997 7924 A2 GB20 30 DSX 1 to V 35 Configuration 7924 A2 GB20 30 LAN Router V 35 Cross campus 2 or 4 wire facility V 35 Unit Customer Premises Worksheets e E z Multiplexer l l DSX 1 DSX 1 Central Site 97 15420 To connect a V 35 compatible unit on the CP side and a DSX 1 compatible unit on the CO side configure the units as follows Terminal mode factory defaults are in bold for Switchpack mode defaults see Appendix C Switchpacks and Jumpers Configuration V 35 Compatible Unit DSX 1 Compatible Unit Option Customer Premises Central Site Card Type CP CO Loops Enabled Dual Loops A amp B or Single Loop A Must be same as CP side Pa
6. HOTWIRE MODEL 7924 STANDALONE T1 HDSL TERMINATION UNIT USER S GUIDE Document No 7924 A2 GB20 30 October 1997 Copyright 1997 Paradyne Corporation All rights reserved Printed in U S A Notice 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 form or by any means electronic mechanical magnetic manual or otherwise or disclosed to third parties without the express written permission of Paradyne Corporation 8545 126th Avenue North P O Box 2826 Largo Florida 33779 2826 Paradyne Corporation makes no representation or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for a particular purpose Further Paradyne Corporation reserves the right to revise this publication and to 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 information herein will be documented and issued as a new release to this manual Trademarks All products and services mentioned herein are the trademarks service marks registered trademarks or registered service marks of their respective owners Warranty Sales and Service Information Contact your sa
7. 1 2 October 1997 C 3 Switchpacks and Jumpers Switchpack S1 and 7m gt VT100 Terminal Switchpack S2 Modular Jack 123 324 N n iiu Si EM ON 12345678 Default in bold C 4 Position Settings Position Settings 1 OFF CP 1 ON 64 kbps ON CO 2 ON 128 kbps 2 OFF Loops A and B ON Loop A a Pe 3 ON 192 kbps 3 unused A 4 ON 256 kbps 4 5 10 Loop Clock 5 ON 384 kbps 6 7 8 unused 6 ON 512 kbps 7 ON 768 kbps 8 ON 1024 kbps All ON 64 kbps All OFF 1536 kbps Jumper P8 Pins Settings 1 2 Terminal Mode 2 3 Switchpack Mode HDSL Line Jack 97 15524 01 Figure C 2 V 35 Compatible Unit Switchpack and Jumper Locations m Pin 1 on the jumper is labeled on the board m The ON position is labeled on the switchpacks m Positions 4 and 5 on Switchpack S1 work as a pair Position 4 should be ON and position 5 should be OFF No other combinations are valid October 1997 7924 A2 GB20 30 Glossary AMI BPV B8ZS CD CO COM port CP CPE CRC CTS CV DCE DSR DSX 1 DS1 DTE DTR E1 factory defaults FAS FAW 7924 A2 GB20 30 Alternate Mark Inversion coding format Bipolar Violation A type of error detected by using a modified bipolar signaling method i
8. 1 Compatible Units Making Changes in Switchpack Mode When operating in Switchpack Mode you can change configuration options by moving switches on the board hardware To enable Switchpack Mode refer to Switching Between Terminal and Switchpack Modes in Chapter 8 Using Terminal and Switchpack Modes p Procedure Use electrostatic 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 expose the circuit board by loosening the two screws on the back panel of the unit and sliding off the cover 2 Refer to the board layout illustration in Appendix C Switchpacks and Jumpers to locate switchpack S1 3 Place the switchpack in the correct position for each desired configuration option Definitions of switchpack positions are provided in Appendix C Switchpacks and Jumpers For example to change a unit s card type from CO to CP move switch 1 on switchpack S1 to the OFF position 4 Replace the cover and screws 5 Power up the board to reset and enable the new configuration Displaying Switchpack Definitions Enter 6 at the Config prompt to display the definition of each position in the switchpack Switchpack definitions are also listed in Appendix C Switchpacks and Jumpers Config 6 Switch pack definition OFF 0 ON 1 CO CP OFF CP ON CO B8ZS OFF ON Dual Single Loop Mode OFF Dual ON Single Line Build Out Bit O0 Line Build
9. Board Status for V 35 Compatible Unit m T1 STATUS displays 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 HDSL loops up and data transmission possible m LOOPBACK STATUS is either ON or OFF m HDSL STATUS displays whether each loop is UP DOWN or DISABLED m S N Signal to Noise RATIO is not displayed if loops are down or disabled October 1997 7924 A2 GB20 30 Monitoring the Unit Performance Statistics Performance monitoring allows detailed observations of error conditions detected on the circuits Performance Monitor statistics can be displayed in defined time periods from the previous minute to the previous 24 hours plus a running total These statistics can be cleared and restarted at any time Performance statistics are updated every second Enter 2 at the Main Menu Command prompt to display the Performance Monitor menu Command 2 Time Since Board Power Up or Reset 0000d 00h 00m 00s 1 1 minute stats 2 15 minute stats 3 1 hour stats 4 12 hour stats 5 6 7 Q 24 hour stats Running total Clear Statistics Quit stats Select a time frame from the list to display statistics for a specified time period Accumulated performance statistics may be cleared and restarted by selecting option 7 on the Performance Monitor menu NOTE Be s
10. NS P3 npe LI Jumper P11 see Pins Settings Position Settings td ous 1 2 Terminal Mode l ONU rid LI 2 8 Switchpack Mode 2 OFF AMI line encoding ON B825 line encoding 3 OFF Loops A and B ON LoopA 4 5 6 000 0 133 ft 100 133 266 ft 123 010 266 399 ft P12 110 399 533 ft 123 001 533 655 ft 321 7 8 00 Unframed eO 1 D4 11 ESF Tm Am 97 15379 02 Default in bold HDSL Line Jack Figure C 1 DSX 1 Compatible Unit Switchpack and Jumper Locations C 2 Pin 1 on jumpers is labeled on the board The ON position is labeled on the switchpack Positions 4 5 and 6 on Switchpack S1 work as a group Set position 4 to the first digit position 5 to the second digit and position 6 to the last digit For example set 4 and 5 ON and 6 OFF for 399 533 ft Positions 7 and 8 on Switchpack S1 work as a pair Set position 7 to the first digit and position 8 to the second digit For example set 7 OFF and 8 ON for D4 framing October 1997 7924 A2 GB20 30 V 35 Compatible Units Use Figure C 2 to assist you in locating the switchpacks and jumpers on the 7924 A2 GB20 30 board Switchpacks and Jumpers The jumper and switchpacks detailed in Figure C 2 are used to change configuration options All other jumpers listed below must remain as positioned at the factory Jumper Pins Factory Setting P1 1 2 P2 1 2 P4 2 3 P5 No Jumper P8 1 2 P9 2 3 P10 2 3 P11
11. Out Bit 1 Line Build Out Bit 2 8 00 Unframed 01 D4 11 ESF Config 7924 A2 GB20 30 October 1997 4 5 Customizing DSX 1 Compatible Units Displaying Line Build Out Definitions Enter 7 at the Config prompt to display the switchpack and board settings for line build out Use this information to change the line build out parameter manually Switchpack definitions are also listed in Appendix C Switchpacks and Jumpers Config 7 SWITCHPACK SETTINGS FOR LINE BUILD OUT x Switchpack Settings Position 4 Bit 0 OFF 0 ON 1 Position 5 Bit 1 OFF 0 ON 1 Position 6 Bit 2 OFF 0 ON 1 KKKKKKKKKKKK Switchpack Definitions KKKKKKKKKKKK Bit 0 Application 0 to 133 feet OdB 133 to 266 feet 266 to 399 feet 399 to 533 feet 533 to 655 feet 7 5 dB 15 dB 22 5 dB PROOrRrFOO 0 0 0 0 1 1 1 1 Config For example to change the line build out to 399 to 533 feet while in Switchpack Mode set position 6 OFF and positions 4 and 5 ON NOTE The switch combinations for 7 5 15 and 22 5 dB line build out are not for use with this product Use of these settings will cause a weak signal and degrade performance 4 6 October 1997 7924 A2 GB20 30 Customizing V 35 Compatible Units Accessing Configuration Options This chapter explains how to change configuration options for HotWire 7924 A1 models that are V 35 compatible Chapter 4 provides similar information for DSX 1 compatible units
12. m Remote Unit Information 0 00 c eee eee eee eee 6 5 a PRONE Panel LEDS iii coc aes epe Pea db pex alee pee eee SA 6 6 DSX T Compatible Brit sac cette ie ree Eee eee is 6 6 V 35 Compatible Uhit wwe ese y eee wanda Gaines Satie sane sade 6 7 7 Testing Deleclingra PEODIGH i occa nied ele Aine abe e a he ee d 7 1 m Understanding Loopback Tests ssuseluellsleseesss 7 1 Local LOODUKS 52 200 cdaredteee chives covey anew tee 7 2 Remote Eoopbacks vices ccc ee ee as teta etn e tea 7 3 Starting and Stopping Loopbacks 0 cece eee eee eens 7 4 m Resetting the Unit 0 0 teeta 7 5 A Worksheets OVEIMIOW saved tea Shas Laas tae Ab rae Drei eae ae A 1 DSX 1 to DSX 1 Configuration 0 ccc eee ees A 2 m DSX 1 to V 35 Configuration 0 0 eee eee A 3 Untramed Operation ce ewe Rr eem oem e A 4 Time Slot DSO Assignments serui aires pires cece cece eee eee A 4 DSX 1 Compatible Units Configuration Worksheet A 5 m V 35 Compatible Units Configuration Worksheet A 5 ii October 1997 7924 A2 GB20 30 Contents B Cable Pin Assignments m Terminal Connection Cable Pin Assignments ssssuse B 1 m HDSL Loop Connection Cable Pin Assignments 0055 B 2 m T1 Network Connection Cable Pin Assignments 0005 B 3 m V 35 Connection Cable Pin Assignments sluusssssss B 4 C Switchpacks and J
13. status checks as it comes up After a few seconds the Main Menu screen appears on your terminal Menus are described in Chapters 4 and 5 for the DSX 1 and V 35 units respectively Switching Between Terminal and Switchpack Modes 3 2 The following procedure is used to change the operating mode of the unit to either Terminal Mode the default setting or Switchpack Mode Refer to Chapter 4 for DSX 1 compatible units or Chapter 5 for V 35 compatible units for information on changing configuration options using either of these modes B gt Procedure Use electrostatic discharge 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 of the unit and sliding off the cover 2 See Appendix C Switchpacks and Jumpers for jumper locations on your unit s board Use jumper P11 for DSX 1 compatible units Use jumper P8 for V 35 compatible units 3 Place the jumper in the correct position for the desired mode Switchpack Mode is configured by placing the jumper on Pins 2 and 3 Terminal Mode is configured by placing the jumper on Pins 1 and 2 4 If you are enabling Switchpack Mode You must set the switchpacks and jumpers to your desired configuration Refer to Appendix C Switchpacks and Jumpers 5 Replace the cover and screws 6 Power up the board to reset and enable the new configuration October 1997 792
14. switches on the board hardware To enable Switchpack Mode refer to Switching Between Terminal and Switchpack Modes in Chapter 8 Using Terminal and Switchpack Modes p Procedure Use electrostatic 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 board 2 Find the switchpack for the configuration options you wish to change Switchpack positions are defined in Appendix C Switchpacks and Jumpers 3 Place the switchpacks in the correct position for each desired configuration option The switchpacks are not preconfigured For example to change a unit s card type from CO to CP move switch 1 on switchpack S1 to the OFF position 4 Verify that switches 4 and 5 on switchpack S1 are set to ON and OFF respectively 5 Replace the cover and screws 6 Power up the board to reset and enable the new configuration 5 4 October 1997 7924 A2 GB20 30 Displaying Switchpack Definitions Customizing V 35 Compatible Units Enter 4 at the Config prompt to display the definition of each position in the two switchpacks Switchpack definitions are also listed in Appendix C Switchpacks and Jumpers Config 4 Switch pack 1 1 2 3 4 pack 2 64 Kbps 128 192 256 384 512 768 1024 Kbps All switches off Config 7924 A2 GB20 30 definition CO CP Dual Single Loop Mode N
15. the CP unit by using the HTUR menu options from a terminal attached to the CO unit To access the HTUC or HTUR menu enter 7 at the Main Menu Command prompt xokck kx HTUC Menu kkkkk 1 Board Status 2 Performance Monitor 3 Board Configuration 4 Line Build Out Configuration Help Redisplays this Menu Q Quit HTUC Command 7924 A2 GB20 30 October 1997 6 5 Monitoring the Unit Front Panel LEDs DSX 1 Compatible Unit Upon power up the first three LEDs blink in sequence indicating a successful start configuration The green PWR LED lights whenever power is applied to the board Loop LEDs blink until the loop has been synchronized and then remain off T1 HDSL TERMINAL NETWORK SYSTEM HDSL eo 4 e ni v oO S we g GR ae e o 97 15312 LED Meaning Local ON The local T1 interface has a loss of signal Remote ON The remote T1 interface has a loss of signal Loop Bk ON A loopback has been initiated for testing the equipment connected to this unit Refer to Chapter 7 Testing for more information PWR ON Power is applied to the unit FAIL ON The processor has halted and repairs are required Loop A ON HDSL Loop A has failed Blinking HDSL Loop A is synchronizing with the far end unit such as when the units are coming up after a reset If the LED blinks for more than 60 seconds loss of signal has occurred Off Loop A is enabled and sync
16. the appropriate regulatory agencies and inspection authorities to ensure compliance 6 A rare phenomenon can create a voltage potential between the earth grounds of two or more buildings If 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 phenomenon exists and if necessary implement corrective action prior to interconnecting the products 7 In addition if the equipment is to be used with telecommunications circuits take the following precautions Never install telephone wiring during a lightning storm Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface Use caution when installing or modifying telephone lines Avoid using a telephone other than a cordless type during an electrical storm There may be a remote risk of electric shock from lightning Do not use the telephone to report a gas leak in the vicinity of the leak 7924 A2 GB20 30 October 1997 B Important Information EMI Warnings A WARNING This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protect
17. 0 30
18. 3 L LEDs DSX 1 compatible unit 6 6 V 35 compatible unit LE line build out how to display options line encoding options 4 3 local loopback test loopback tests local remote 7 3 starting and stopping loops enabled DSX 1 compatible units 4 3 V 35 compatible units 5 3 M Main Menu DSX 1 compatible units 4 1 V 35 compatible units 5 1 model numbers monitoring board status 6 2 performance statistics 6 3 remote unit N network performance statistics 6 3 P parts list 2 1 payload rate options PC requirements 3 2 performance statistics 6 3 pin assignments power cord installation IN 2 R rear panel diagram related documents lvi remote loopback test remote unit accessing menu of resetting the unit S service information A statistics performance monitoring switchpack mode changing is described DSX 1 compatible units 4 5 V 35 compatible units switchpacks DSX 1 compatible unit V 35 compatible unit C 3 how to display T terminal cable pin assignments B 1 terminal interface 3 1 terminal mode changing to connecting terminal for described testing local loopback remote loopback starting and stopping time slot assignments U unframed restrictions on use A 4 user interface V V 35 to DSX 1 configuration VT100 interface 3 1 W warranty telephone number A worksheets October 1997 7924 A2 GB2
19. 3 x 64 192 kbps 4 4 x 64 256 kbps 5 6 x 64 384 kbps 6 8 x 64 512 kbps 7 12 x 64 768 kbps 8 16 x 64 1024 kbps 9 24 x 64 1536 kbps N No change to rate Options 8 and 9 require Loops A and B October 1997 A 5 Cable Pin Assignments Terminal Connection Cable Pin Assignments 7924 A2 GB20 30 This section defines the pin 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 Modular Pin RXD 9 Pin D Shell Pin TXD TXD RXD GND GND DCD DTR DSR RTS CTS October 1997 97 15268 02 Cable Pin Assignments If your PC s COM port requires a 25 pin D shell connector the cable must use the following pin assignments Modular 25 Pin Pin D Shell Pin RXD 2 TXD TXD GND RXD GND DSR DCD DTR RTS CTS o N Aa A o o 0o N ark 97 15442 01 HDSL Loop Connection Cable Pin Assignments The HDSL modular connector that plugs into the rear panel of the unit has the following pin assignments Pin Signal 1 Loop A Tip 2 Loop A Ring 3 Loop B Tip 4 Loop B Ring 5 8 open NOTE Pin 1 is on the left when viewing the jack from its inserted position B 2 October 1997 7924 A2 GB20 30 Cable Pin As
20. 4 A2 GB20 30 Customizing DSX 1 Compatible Units Accessing Configuration Options This chapter explains how to change configuration options for HotWire 7924 A1 standalone units that are DSX 1 compatible Chapter 5 provides similar information for V 35 compatible units Configuration option settings determine how the unit operates You can change a unit s configuration options by m Selecting the Board Configuration branch of the Main Menu while in Terminal Mode m Changing switchpack and jumper settings on the circuit 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 The G123 code denotes a successful startup ATTX CP T1 Rate LOOP AB T1 HDSL HTUR Main Menu CP units are HDSL Termination Units Remote HTUR 1 Board Status CO units are HDSL Termination 2 Performance Monitor Units Central Office HTUC 3 Board Configuration 4 Board Reset 5 CP Local Loopback 6 CP Remote Loopback 7 HTUC Menu Redisplays this Menu Command 7924 A2 GB20 30 October 1997 4 1 Customizing DSX 1 Compatible Units This guide depicts the system terminal menus as they appear from a CP unit This is the default configuration for Model 7924 standalone units Making Changes from the Terminal Interface The Board Configuration menu displays the current board software and hardware settings It also allows you to change cer
21. 5 2 Installing the Unit E VOTRE aT 2 1 m Package Checklist for HotWire Model 7924 A1 cc cece eens 2 1 m Connecting to the Network 0 ccc cece eet e ns 2 2 m Connecting Power to the Unit 0 cece cee eee eens 2 2 3 Using Terminal and Switchpack Modes m Choosing an Interface Mode 0 0c eee eee eee eee 3 1 m Connecting to a System Terminal 000 cee ee eee eee eee 3 1 m Switching Between Terminal and Switchpack Modes 3 2 4 Customizing DSX 1 Compatible Units m Accessing Configuration Options ccc cece ee eee eens 4 1 m Making Changes from the Terminal Interface 0 cee e eee 4 2 m Making Changes in Switchpack Mode 00ce cece eee eee 4 5 Displaying Switchpack Definitions 600 cee e eee 4 5 Displaying Line Build Out Definitions 0000005 4 6 7924 A2 GB20 30 October 1997 Contents 5 Customizing V 35 Compatible Units m Accessing Configuration Options liusssssseesesls eese 5 1 m Making Changes from the Terminal Interface 0 cence eee 5 2 m Making Changes in Switchpack Mode 00ceeee eee eens 5 4 Displaying Switchpack Definitions ssseseesese 5 5 6 Monitoring the Unit m Whabte MOUNOE iss ket terse dae dered bade att dade REIS 6 1 B Board Sta uoces oce wie Pinte dob Pub scd Mare eae 6 2 m Performance Statistics 0 0 cece eee 6 3
22. a B Data received by DTE 113 U EXT c Transmitter Signal To help detect center of signaling element on BA CLK Element Time A 115 V RSET gt Receiver Signal To help detect center of signaling element on BB Element Timing A 113 W EXT lt Transmitter Signal To help detect center of signaling element on BA CLK Element Timing B 115 X RSET gt Receiver Signal To help detect center of signaling element on BB Element Timing B 114 Y TSET gt Transmit Signal To help detect center of signaling element on BA Element Timing A 114 a TSET gt Transmit Signal To help detect center of signaling element on BB Element Timing B 142 n TST gt Test Indicator Reserved for test B 4 October 1997 7924 A2 GB20 30 Switchpacks and Jumpers DSX 1 Compatible Units Use Figure C 1 to assist you in locating the switchpacks and jumpers on the 7924 A2 GB20 30 board The jumper and switchpack detailed in Figure C 1 are used to change configuration options All other jumpers listed below must remain as positioned at the factory Jumper Pins Factory Setting P1 2 3 P3 No Jumper P8 2 3 P9 2 3 P10 1 2 P11 1 2 P12 1 2 October 1997 Switchpacks and Jumpers VT100 Terminal Modular Jack Switchpack S1 P1 P10 m JL 123 123
23. and synchronized 7924 A2 GB20 30 October 1997 6 7 Testing Detecting a Problem The unit can detect and report problem conditions and perform diagnostic tests The unit offers a number of indicators to alert you to possible problems as described in Chapter 6 Monitoring the Unit m Front Panel LEDs m Board status and performance statistics m Remote unit board status and performance statistics Understanding Loopback Tests Loopback is a diagnostic function that enables a technician to isolate equipment on the HDSL circuit to determine where on the circuit trouble may be occurring Loopback takes the system off line Data received from the DTE T1 or V 35 application equipment is looped back as depicted in Figures 7 1 through 7 4 Local and remote refer to the point at which the data is looped back In a local loopback the data is reflected back by the local unit the unit that initiated the loopback In a remote loopback the data is passed on to the remote far end unit and then reflected back Loopback tests are initiated through the terminal interface from either the CO or CP side of the HDSL connection 7924 A2 GB20 30 October 1997 7 1 Testing Local Loopbacks 7 2 m When a local loopback is enabled the red Loop Bk LED on the front panel of the initiating unit lights up and remains lit until the loopback is disabled m The data flow is indicated by the bold thick arrows in Figures 7 1 and 7 2 m W
24. ards at the central site each terminate a single HDSL subscriber line Each line is then converted to a DSX 1 interface for connection to other central office equipment such as a digital cross connect system DCS l l DSX 1 nh DSX 1 Unit _ Telco 2 or 4 wire facilities to Router V 35 customer premises i V 35 Unit Multiplexer DSX 1 l l I DSX 1 Unit 2 Customer Premises Figure 1 2 T1 Extension to Customer Premises October 1997 Ss Cards lt Mgmt Station DCS 7900 Nest Ceniral Site 97 15204 7924 A2 GB20 30 About HotWire Model 7924 Termination Units Cellular network providers must lease large numbers of T1 circuits in order to connect remote cell sites to mobile telephone switching offices MTSOs HotWire Model 7924 products provide an alternative to standard repeatered T1 services Figure 1 3 depicts a typical cellular network access application CellSie Mobile Telephone i Telco 2 or 4 wire Switching Office MTSO I NUM Be SUM E l etween Ce es x LDSXT L S anPMTSO Nes CD i DSX 1 Unit Cards Mgmt 7 MN Station Cell Site pur utc un e UD E DSX Switch N DSX 1 7900 Nest dp ees NE DSX 1 Unit Central Site Customer Premises 97 15297 Figure 1 3 Cellular Network Access User Interface Types 7924 A2 GB20 30 There are three type
25. arrier to deliver private line services across the campus Figure 1 1 shows two typical campus applications where remote PBXs or multiplexers are interconnected across a campus using two HotWire Model 7924 standalone units 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 7924 standalone unit is configured at the factory to operate at the CP side of a T1 HDSL connection Conversely HotWire Model 7924 nest cards are configured for CO operation The central site unit must be reconfigured for CO operation in these configurations Cross campus a l 2 or 4 wire DSX 1 facility DSX 1 l DSX 1 Unit DSX 1 Unit Eee IN E 2 Customer Premises Central Site 97 15295 dst 7 Cross campus po 5 j Multiplexer i 2 or 4 wire i Multiplexer DSX 1 facility i DSX 1 rm E imf m i DSX 1 Unit i DSX 1 Unit E i l L a e l Customer Premises Central Site 97 15296 Figure 1 1 Campus Network Applications October 1997 1 3 About HotWire Model 7924 Termination Units 1 4 HotWire Model 7924 standalone units are also ideal for delivering T1 services from a central site to the customer premises over long loop distances without repeaters Figure 1 2 shows a central site application with a HotWire 7900 Nest containing HotWire Model 7924 nest cards The nest c
26. change the loops that are enabled enter 2 at the Config prompt The system then prompts you to specify either S ingle or D ual Loops Dual Loops A and B are enabled Single Only Loop A is enabled 3 Payload Rate Possible Settings 1 through 9 for 64 through 1536 kbps Default Setting 9 1536 kbps Specifies the desired payload rate 1 1x64 64 kbps 6 8x 64 512 kbps 2 2x64 128 kbps 7 12x 64 768 kbps 3 3 x 64 192 kbps 8 16 x 64 1024 kbps 4 4 x 64 256 kbps 9 24 x 64 1536 kbps 5 6x64 384 kbps N No change to rate Options 8 and 9 1024 and 1536 kbps are only available when Loops A and B are enabled If only Loop A is enabled the maximum payload rate is 768 kbps option 7 You must reset the board for changes to the card type or loops enabled options 1 or 2 parameters to take effect A system message is displayed on the terminal to remind you to reset the board To reset the board choose option 4 from the Main Menu or cycle the power on the board All configuration settings are stored in nonvolatile memory and are not affected by the reset The transmit timing HDSL interface rate firmware revision numbers and serial number displayed on the Board Configuration screen cannot be changed October 1997 5 3 Customizing V 35 Compatible Units Making Changes in Switchpack Mode When operating in Switchpack Mode you can change configuration options by moving
27. de you can display configuration parameters using the terminal menus 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 enter 3 at the Main Menu Command prompt Command 3 Board Configuration 1 HDSL Card Type CP HDSL Interface Rate v 35 T1 2 Loops Enabled Dual Loop Loops A and B 3 Payload Rate 1536 Kbps 24x64 Transmit Timing Loop HDSL FW Rev 03 AT T FW Rev 1 17 CP Serial Board Configuration 4 Switch pack Definitions Redisplays this menu Q Quit Config 5 2 October 1997 7924 A2 GB20 30 7924 A2 GB20 30 Customizing V 35 Compatible Units Possible values for each parameter are listed in Table 5 1 See Appendix A Worksheets for help in selecting the appropriate configuration options for your application Table 5 1 V 35 Compatible Units Configuration Options 1 HDSL Card Type Possible Settings CP CO Default Setting CP Indicates the placement of the unit in the network configuration To toggle the card type enter 1 at the Config prompt CP Unit is on the customer premises side of the HDSL connection CO Unit is on the central office or central site side of the HDSL connection 2 Loops Enabled Possible Settings Single Dual Default Setting Dual Specifies which loops on the HDSL line are to be used in the connection To
28. ear panel HDSL jack Connect the other end to your HDSL network interface NOTE Do not use a flat VF network cable as this may severely degrade the performance of the termination unit Use only a twisted pair network cable 2 Connect a V 35 or DSX 1 interface cable into the appropriate connector on the rear panel Connect the other end to your V 35 or DSX 1 equipment HotWire 7924 V 35 compatible units are not designed to be used at both ends of an HDSL connection Connecting Power to the Unit 97 15356 01 DSX 1 Compatible HotWire 7924 Rear Panel 00000000000 00000000 000000000 OQ 00000000 GJ 97 15264 V 35 Compatible HotWire 7924 Rear Panel Plug the power 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 available refer to Warranty Sales and Service Information on page A at the beginning of this User s Guide 2 2 October 1997 7924 A2 GB20 30 Using Terminal and Switchpack Modes Choosing an Interface Mode You can make configuration changes either through an asynchronous terminal Terminal Mode or by manually changing switches and jumpers on the board Switchpack Mode Terminal Mode is the default setting In Terminal Mode m You change configuration parameters by selecting menu options that appear on a VT100 compatible terminal attached to t
29. ecting to a V 35 compatible unit refer to page A 4 for more information before selecting this option 7924 A2 GB20 30 October 1997 4 3 Customizing DSX 1 Compatible Units 4 4 Table 4 1 DSX 1 Compatible Units Configuration Options 2 of 2 5 Line Build Out Possible Settings 0 to 133 ft 133 to 266 ft 266 to 399 ft 399 to 533 ft 533 to 655 ft Default Setting O to 133 ft To change the line build out length enter 5 at the Config command prompt You will then be prompted to 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 N No change NOTE Additional options may be displayed on your terminal These other options for 7 5 15 and 22 5 dB are not for use with this product Use of these options will cause a weak signal and degrade performance Select from options 1 through 5 only You must reset the board for changes to the card type or loops enabled options 1 or 2 to take effect A system message is displayed on the terminal to remind you to reset the board To reset the board choose option 4 from the Main Menu or cycle the power to the board All configuration settings are stored in nonvolatile memory and are not affected by the reset The HDSL rate type firmware revision numbers and the serial number displayed on the Board Configuration screen cannot be changed October 1997 7924 A2 GB20 30 Customizing DSX
30. er 1 at the Config prompt CP Unit is on the customer premises remote side of the HDSL connection CO Unit is on the central office or central site side of the HDSL connection 2 Loops Enabled Possible Settings Single Dual Default Setting Dual Specifies which loops on the HDSL line are to be used in the connection To change the loops that are enabled enter 2 at the Config prompt The system then prompts you to specify either S ingle or D ual Loops Dual Loops A and B are enabled Single Only Loop A is enabled 3 T1 Line Encode Possible Settings B8ZS AMI Default Setting B8ZS Specifies the type of line encoding used to ensure ones density in the transmission signal To toggle the encoding method enter 3 at the Config prompt B8ZS Binary 8 Zero Substitution AMI Alternate Mark Inversion 4 Framing Possible Settings D4 Extended Superframe Unframed Default Setting D4 Specifies the type of framing to be used To toggle the framing method enter 4 at the Config prompt D4 Commonly used framing method on T1 circuits consisting of 12 frames of 192 bits with the 193rd bit used for error checking and other functions Also called Super Framing Extended Superframe Framing method consisting of 24 frames of 192 bits each with the 193rd bit providing timing and other functions An enhanced version of D4 Unframed Framing is disabled NOTE When conn
31. he front panel of the termination unit m The standalone unit is preconfigured at the factory for CP customer premises operation In Switchpack Mode m You change configuration parameters by moving switchpacks and jumpers on the board m The standalone unit is not preconfigured You must ensure that the switchpacks and jumpers are set as desired m You can still display information about the unit from the terminal and run loopback tests m Any changes you make in Terminal Mode are lost when you change to Switchpack Mode Connecting to a System Terminal 7924 A2 GB20 30 An optional system maintenance terminal is attached to your Model 7924 standalone termination unit through the modular jack on the front panel Terminals can be attached to both endpoints CO and CP The system terminal must be a VT100 compatible terminal or a PC running emulation software October 1997 3 1 Using Terminal and Switchpack Modes Connect the 9 pin end of the terminal cable into a COM port on your PC Plug the other end into the modular jack on the termination unit s front panel If your PC requires a 25 pin connector to the COM port see Appendix B Cable Pin Assignments for the correct cable pinouts Make sure the terminal parameters on your terminal or PC are set to m 9600 Kbps m 8 bit character m No parity bit m 1 stop bit m No flow control Press Return at your terminal to activate the Main Menu The system runs diagnostics and
32. hen the CO initiates a local loopback an Alarm Indication Signal AIS is received at the CP end only if the CP end is G 703 compatible AIS is not received at V 35 compatible CP units CO GP age Diagnostic am Diagnostic Equipment ees Equipment Loop Bk LED lights AIS Alarm Indication Signal Terminal 97 15514 01 Figure 7 1 Local Loopback Initiated at the CO Unit Diagnostic E lt Diagnostic Equipment L E Equipment Terminal 97 15518 01 Figure 7 2 Local Loopback Initiated at the CP Unit October 1997 7924 A2 GB20 30 Remote Loopbacks 7924 A2 GB20 30 Testing m When a remote loopback is enabled the red Loop Bk LED on the front panel of the remote end unit CO or CP lights up and remains lit until the loopback is disabled The loopback LED on the initiating unit does not light m A message appears on the remote end unit reporting that it has been put into loopback m The data flow is indicated by the bold thick arrows in Figures 7 3 and 7 4 m When the CO initiates a remote loopback an Alarm Indication Signal AIS is received at the CP end only if the CP end is G 703 compatible AIS is not received at V 35 compatible CP units Diagnostic mE a Diagnostic Equipment mm A Equipment Loop Bk LED lights AIS Alarm Indication Signal Terminal 97 15515 01 Figure 7 3 Remote Loopback Initiated at the CO Unit Diagnostic L Diagnostic Equipment m Equipment
33. hronized Loop B ON HDSL Loop B has been disabled only Loop A is in use or has failed Blinking HDSL Loop B is synchronizing with the far end unit such as when the units are coming up after a reset If the LED blinks for more than 60 seconds loss of signal has occurred Off Loop B is enabled and synchronized 6 6 October 1997 7924 A2 GB20 30 V 35 Compatible Unit Monitoring the Unit The green PWR LED lights whenever power is applied to the board Loop LEDs blink until the loop has been synchronized and then remain off T1 HDSL TERMINAL 97 15313 LED Meaning Loop Bk ON A loopback has been initiated for testing the equipment connected to this unit Refer to Chapter 7 Testing for more information PWR ON Power is applied to the unit FAIL ON The processor has halted and repairs are required Loop A ON HDSL Loop A has failed Blinking HDSL Loop A is synchronizing with the far end unit such as when the units are coming up after a reset If the LED blinks for more than 60 seconds loss of signal has occurred Off Loop A is enabled and synchronized Loop B ON HDSL Loop B has been disabled only Loop A is in use or has failed Blinking HDSL Loop B is synchronizing with the far end unit such as when the units are coming up after a reset If the LED blinks for more than 60 seconds loss of signal has occurred Off Loop B is enabled
34. ion 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 residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense The authority to operate this equipment is conditioned by the requirements that no modifications will be made to the equipment unless the changes or modifications are expressly approved by Paradyne Corporation A WARNING To Users of Digital Apparatus in Canada This Class A digital apparatus meets all requirements of the Canadian interference causing equipment regulations Cet appareil num rique de la classe A respecte toutes les exigences du r glement sur le mat rial brouilleur du Canada C October 1997 7924 A2 GB20 30 Contents About This Guide m Document Purpose and Intended Audience 02 02005 V m Document SUMMA oleceessp srine eF Peg dod eer ESPR P Ra v m Product Related Documents aaaea nanana nannaa vi 1 About HotWire Model 7924 Termination Units m HotWire 7924 A1 Models and Features 00 eee eee eee 1 1 B Typical Configurations lie rre ex RR RR RARO R REED n 1 3 m User Interface Types 0000 cece eee eens 1
35. l 1 A framing specification for T1 circuits Data Terminal Equipment The equipment such as computers printers and routers that provide or create data Data Terminal Ready An EIA lead standard for V 24 circuit CT 108 an input signal DTE to DCE A data signaling rate common outside the United States A wideband interface operating at 2 048 Mbps defined by CCITT standards G 703 and G 704 A predetermined set of configuration options for general operation Frame Alignment Signal A loss of signal LOS error detection Frame Alignment Word A loss of synchronization error detection October 1997 GL 1 Glossary FCC FEBE HDB3 HDSL HTU HTU C HTU M HTU R LED loopback MOS OOF reset RTS RXD T1 TXD V 35 GL 2 Federal Communications Commission Board of Commissioners that regulates all U S interstate intrastate and foreign electrical communication systems that originate from the United States Far End Bit Error Number of errors reported by the remote equipment High Density Bipolar 3 coding format High bit rate Digital Subscriber Loop Provides high bandwidth bi directional transmission over copper wire for both T1 and E1 services Host Termination Unit A generic reference to either an HTU C or HTU R module Host Termination Unit Central The module at the CO central office or central site end of an HDSL connection Also known as a Network Termination Unit NTU Hos
36. les or service representative directly for any help needed For additional information concerning warranty service repair spare parts installation documentation or training use one of the following methods m Via the Internet Visit the Paradyne World Wide Web site at http www paradyne com m Via Telephone Call our automated call system to receive current information via fax or to speak with a company representative Within the U S A call 1 800 870 2221 International call 727 530 2340 ED Printed on recycled paper A October 1997 7924 A2 GB20 30 Important Information Important Safety Instructions 1 Read and follow all warning notices and instructions marked on the product or included in the manual 2 Do not allow anything to rest on the power cord and do not locate the product where persons will walk on the power cord 3 Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous high voltage points or other risks Refer all servicing to qualified service personnel 4 General purpose cables are 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 5 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
37. n which a control code is inserted Used with AMI coding format Bipolar with eights and Zeroes Substitution An encoding scheme for transmitting clear channel signals over a T1 line Carrier Detect A signal indicating that energy exists on the transmission circuit Associated with Pin 8 on an EIA 232 interface Central Office As used in this manual CO denotes any central site as distinguished from the Customer Premises site Communications port A computer s serial communications port used to transmit to and receive data from a DCE The DCE connects directly to this port Customer Premises Customer Premises Equipment Terminating equipment supplied by either the customer or some other supplier that is connected to the telecommunications network e g DSUS terminals phones routers modems Cyclic Redundancy Check A commonly used method of error detection Clear to Send An EIA lead standard for V 24 circuit CT 106 an output signal DCE to DTE Code Violation This is equivalent to a BPV Used with HDB3 coding format Data Communications Equipment The equipment that provides the functions required to establish maintain and end a connection It also provides the signal conversion required for communication between the DTE and the network Data Set Ready An EIA lead standard for V 24 circuit CT 107 an output signal DCE to DTE Digital Signal cross connection of network equipment at T1 rates Digital Signal leve
38. ng B B8ZS line encoding board layout DSX1 compatible unt ee V 35 compatible unit C 4 board status 6 2 for remote unit 6 5 C cables connecting power DSX 1 connection HDSL loop connection pin assignments network connection System terminal connection T1 network connection pin assignments terminal connection pin assignments V 35 connection V 35 connector pin assignments B 4 card type DSX 1 compatible vie ea V 35 compatible units 5 3 changing dip switches and jumpers DSX 1 compatible units 4 5 V 35 compatible units COM port settings configuration options changing in switchpack mode changing in terminal mode DSX 1 compatible units V 35 compatible units 7924 A2 GB20 30 configuration worksheets DSX1 compatible unit V 35 compatible unit A 5 A 7 configurations campus network 1 3 cellular network 1 5 CO to customer premises customer service A D D4 framing data rate for V 35 compatible units DSO assignments DSX 1 to DSX 1 configuration DSX 1 to V 35 configuration E extended superframe 4 3 F features firmware revision framing options 4 3 front panel DSX 1 compatible units 6 6 V 35 compatible units H hardware revision HDSL network connection HTUC and HTUR Menus I installation interfaces choosing user October 1997 IN 1 Index J jumpers DSX 1 compatible unit C 1 procedure for setting V 35 compatible unit C
39. ot Used 00 11 Invalid 01 Invalid 10 Not Used OFF CP ON CO OFF Dual ON Single Loop Timing definition 1x64 2x64 3x64 4x64 6x64 8x64 ON 1 ON 1 ON 1 ON 1 ON 1 OFF 0 OFF 0 OFF 0 OFF 0 OFF 0 OFF 0 ON 1 12x64 OFF 0 ON 1 16x64 OFF 0 ON 1 1536 Kbps 24x64 Kbps Kbps Kbps Kbps Kbps Kbps October 1997 5 5 Monitoring the Unit What to Monitor This chapter presents information on how to access and monitor status and performance statistics for the unit and its network connection You can monitor operations by viewing the m Board Status option from the Main Menu m Performance Monitor option from the Main Menu m Board Status and Performance Monitor options from the HTUC or HTUR menu for displaying information about the unit on the other end of the connection m Front Panel LEDs 7924 A2 GB20 30 October 1997 6 1 Monitoring the Unit Board Status 6 2 Board Status option from the Main Menu displays HDSL circuit operational status Enter 1 at the Main Menu Command prompt to display board status Command 1 T1 STATUS Network is UP LOOPBACK STATUS OFF HDSL STATUS LOOP A is UP LOOP B is UP S N RATIO Loop A 44 0 dB Loop B 43 5 dB Command Board Status for DSX 1 Compatible Unit Command 1 DTR ACTIVE DSR ACTIVE LOOPBACK STATUS OFF HDSL STATUS LOOP A is UP LOOP B is UP S N RATIO Loop A 44 0 dB Loop B 43 5 dB Command
40. s of user interfaces to the standalone units m VT100 compatible terminal interface see Chapter 3 Manual setting of switches and jumpers see Chapter 3 m Front Panel LED status indicators see Chapter 6 October 1997 1 5 Installing the Unit Overview This chapter describes the procedure for installing a single standalone termination unit using a 120 Vac or 230 Vac power supply Model 7924 A1 20x or 7924 A1 30x If you have multiple standalone units at the same location you may want to consider installing the units in a HotWire Model 7900 10 Slot Standalone Shelf The Standalone Shelf is a convenient method for housing up to ten standalone termination units and uses only a single power source HotWire Model 7924 A1 50x units which use 48 Vdc direct power must be installed in a HotWire 7900 10 Slot Standalone Shelf Installation instructions for these models are not provided in this User s Guide To obtain information on the Standalone Shelf refer to Product Related Documents on page vi Package Checklist for HotWire Model 7924 A1 Verify that your package contains the following HotWire Model 7924 A1 unit VT100 Terminal Cable 14 twisted pair network cable Power cord with power transformer optional L Warranty card 7924 A2 GB20 30 October 1997 2 1 Installing the Unit Connecting to the Network p Procedure 1 Connect one end of the supplied 14 twisted pair network cable into the r
41. signments T1 Network Connection 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 Tx Tip open Rx Ring Rx Tip OIJ AJOJN 8 open NOTE Pin 1 is on the left when viewing the jack from its inserted position 7924 A2 GB20 30 October 1997 B 3 Cable Pin Assignments V 35 Connection Cable Pin Assignments The connector that plugs into the rear panel of V 35 compatible units has the following pin assignments CCITT Direction Code Pin Name DCE DTE Function Description 101 A PG Protective Ground Machine ground 102 B ISG Signal Ground Ground reference for all circuits 105 C RTS lt Request to Send DTE has message to send 106 D CTS gt Clear to Send DCE is ready to accept and transmit DTE data 107 E DSR gt Data Set Ready DCE is ready to operate 109 F RLSD gt Data Channel DCE is receiving a carrier signal Received Line Signal Detector 108 H DTR c Data Receiver Ready DTE is ready to operate 141 L ILL c Local Loopback Local loopback 140 N RDL c Loopback Maintenan Remote loopback ce 103 P TXD c Transmit Data A Data generated by DTE 104 R D RXD gt Received Data A Data received by DTE 103 TXD c Transmitted Data B Data generated by DTE 104 RXD gt Received Dat
42. t Termination Unit Maintenance A carrier mounted module used to perform maintenance operations on one or more HTU R and HTU C modules Host Termination Unit Remote The module at the CP customer premises end of an HDSL connection Also known as a Line Termination Unit LTU Light Emitting Diode A status indicator that responds to the presence of a certain conditions Used to test various portions of a data link in order to isolate an equipment or data line problem A diagnostic procedure that sends a test message back to its origination point Multiframes Out of Sync A performance statistic that counts the number of multiframes received out of sync Out Of Frame An error condition in which frame synchronization bits are in error A network reported condition A reinitialization of the 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 circuit CT 104 an output signal DCE to DTE A data signaling rate common in the United States A term for a digital carrier facility used to transmit a DS1 formatted signal of 1 544 Mbps Transmit Data An EIA lead standard for V 24 circuit CT 103 an input signal DTE to DCE ITU T standard for a high speed 34 pin DCE DTE interface October 1997 7924 A2 GB20 30 Index A AIS alarm indication signal 7 3 AMI line encodi
43. tain parameters on the board This function is affected by the status of the switchpack DIP switch control setting When operating in Terminal Mode the system default you can make configuration changes through the terminal menus When operating in Switchpack Mode you can display configuration parameters using the terminal menus 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 4 5 To access the Board Configuration menu enter 3 at the Main Menu Command prompt Command 3 Board Configuration 1 2 3 4 6 7 Q HDSL Card Type CP HDSL Rate Type T1 Loops Enabled Dual Loop Loops A and B T1 Line Encode B8ZS Framing D4 Line Build Out 0 to 133 feet 0dB HDSL FW Rev 07 AT T FW Rev 1 17 CP Serial 085561 Board Configuration Switch pack Definitions Line Build Out Definitions Redisplays this menu Quit Config Possible values for each parameter are listed in Table 4 1 See Appendix A Worksheets for help in selecting the appropriate configuration options for your appl 4 2 ication October 1997 7924 A2 GB20 30 Customizing DSX 1 Compatible Units Table 4 1 DSX 1 Compatible Units Configuration Options 1 of 2 1 HDSL Card Type Possible Settings CP CO Default Setting CP Indicates the placement of the unit in the network configuration To toggle the card type ent
44. terface or DIP switches and jumpers on the board Chapter 5 Customizing V 35 Compatible Units Provides instructions for modifying configuration options by using the terminal interface or DIP switches and jumpers on the board October 1997 v About This Guide Section Chapter 6 Chapter 7 Appendix A Appendix B Appendix C Glossary Index Product Related Documents Description Monitoring the Unit Describes how to monitor unit status LEDs and network statistics Also describes how to monitor the status of the unit on the opposite side of the HDSL connection Testing Provides information about available loopback tests Worksheets Contains all the configuration options default settings and possible settings to use for planning Cable Pin Assignments Contains connector and interface details Switchpacks and Jumpers Defines the switchpack and jumper positions on the board hardware Includes board layout diagrams Defines acronyms and terms used in this document Lists key terms acronyms concepts and sections in alphabetical order Document Number Document Title 7900 A2 GB20 7900 A2 GB21 7900 A2 GN10 7900 A2 GN20 7920 A2 GB20 7925 A2 GB20 HotWire Model 7900 Basic Maintenance Processor User s Guide HotWire Model 7900 SNMP Maintenance Processor User s Guide HotWire Model 7900 10 Slot Standalone Shelf Installation Instructions HotWire Model 7900 Nest and Options Installation Guide
45. u Loop Bk LED lights Terminal 97 15517 01 Figure 7 4 Remote Loopback Initiated at the CP Unit October 1997 7 3 Testing Starting and Stopping Loopbacks To start or stop a local loopback test enter 5 at the Main Menu Command prompt Command 5 Local Loopback is Enabled Command 5 Local Loopback is Disabled To start or stop a remote loopback test enter 6 at the Main Menu Command prompt Command 6 Remote Loopback is Enabled Command 6 Remote Loopback is Disabled m When you stop a loopback test local or remote both units automatically reset themselves in order to return to normal operation m A loopback may not be started on units that have just been reset After a reset the units require approximately one minute for the circuit HDSL connection to stabilize If you attempt to start a loopback during this time the following error message appears PLEASE WAIT Circuit is stabilizing m Only one loopback may be run at a time If a loopback is already enabled the following error message appears and no other loopback may be started until the first loopback is disabled CANNOT EXECUTE COMMAND Current loopbacks must be removed first 7 4 October 1997 7924 A2 GB20 30 Testing Resetting the Unit To reset the board enter 4 at the Main Menu Command prompt This is equivalent to cycling the power Command 4 Reset will bring the loops down Are you sure y n Command If
46. umpers m DSX 1 Gompatible Unis ssssccsekute e dens e Rb RRRORRERIDE S C 1 E V 35 Compatible WANS eene eleme bbw ee d e rr x emen C 3 Glossary Index 7924 A2 GB20 30 October 1997 iii About This Guide Document Purpose and Intended Audience This guide contains information needed to set up configure and operate HotWire Model 7924 A1 T1 HDSL termination units It is designed for central office technicians or network engineers who have an understanding of the deployment of digital subscriber line systems in a telephone company or private network environment HotWire 7924 may be ordered either as a standalone unit 7924 A1 xxx or as a nest mounted card 7924 B1 xxx that fits in a HotWire 7900 nest This guide describes the installation and maintenance procedures for the standalone version Model 7924 A1 xxx Document Summary 7924 A2 GB20 30 Section Description Chapter 1 About HotWire Model 7924 Termination Units Describes the features of each version of the Model 7924 and typical configurations Chapter 2 Installing the Unit Describes how to install the unit and make connections Chapter 3 Using Terminal and Switchpack Modes Provides instructions for connecting a VT100 compatible terminal user interface Also describes how to make manual configuration changes directly on the board hardware Chapter 4 Customizing DSX 1 Compatible Units Provides instructions for modifying configuration options by using the terminal in
47. ure you want to clear all statistics before pressing 7 There is no verification dialog 7924 A2 GB20 30 October 1997 6 3 Monitoring the Unit stats 1 Current 1 minute HDSL Errors T1 Errors FAW LoopA BPV FAW LoopB CRC CRC LoopA MOS CRC LoopB FEBE LoopA FEBE LoopB Previous 1 FAW LoopA FAW LoopB CRC LoopA CRC LoopB FEBE LoopA FEBE LoopB stats Performance Statistics for DSX 1 Compatible Unit stats 1 Current 1 minute HDSL Errors FAW LoopA FAW LoopB CRC LoopA CRC LoopB FEBE LoopA FEBE LoopB Previous 1 minute HDSL Errors FAW LoopA FAW LoopB CRC LoopA CRC LoopB FEBE LoopA FEBE LoopB stats Performance Statistics for V 35 Compatible Unit 6 4 October 1997 7924 A2 GB20 30 Monitoring the Unit The type of statistics displayed under the T1 Errors column depends on the type of framing selected When the unit is configured for D4 framing FAS Frame Alignment Signal errors are reported When the unit is configured for ESF framing CRC Cyclic Redundancy Check errors are reported Refer to the Glossary for definitions of the errors reported Remote Unit Information The same type of information provided for the locally attached unit can also be displayed but not changed for the unit on the other side of the connection You can display information about the CO unit by using the HTUC menu options from a terminal attached to the CP unit and you can display information about
48. x Up to ten standalone units may be installed in an optional HotWire 7900 10 Slot Standalone Shelf This is a convenient way to stack standalone units using a single power source To order additional product documentation refer to Warranty Sales and Service Information on page A at the beginning of this User s Guide October 1997 1 1 About HotWire Model 7924 Termination Units There are several versions of the Model 7924 A1 each supporting a different interface DSX 1 or V 35 and power supply 120 Vac 230 Vac or 48 Vdc Model Number Features 7924 A1 201 1 544 Mb s DSX 1 compatible Connection to 120 Vac power supply 7924 A1 202 1 544 Mb s V 35 compatible Connection to 120 Vac power supply 7924 A1 301 1 544 Mb s DSX 1 compatible Connection to 230 Vac power supply 7924 A1 302 1 544 Mb s V 35 compatible Connection to 230 Vac power supply 7924 A1 501 1 544 Mb s DSX 1 compatible Direct connection to 48 Vdc power supply For use in a HotWire 7900 10 Slot Standalone Shelf only 7924 A1 502 1 544 Mb s V 35 compatible Direct connection to 48 Vdc power supply For use in a HotWire 7900 10 Slot Standalone Shelf only 1 2 October 1997 7924 A2 GB20 30 About HotWire Model 7924 Termination Units Typical Configurations 7924 A2 GB20 30 HotWire Model 7924 standalone units can be used in campus applications where long loop distances normally require the campus to contract with the local telephone exchange c
49. yload Rate 1 9 64 1536 kbps Options 8 1024 kbps and 9 1536 kbps are only available if both Loops A amp B are N A enabled Framing N A Use D4 Extended Superframe or Unframed See Unframed Operation on page A 4 before selecting Unframed T1 Line Encode N A B8ZS or AMI Line Build Out N A Enter 5 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 October 1997 A 3 Worksheets Unframed Operation Some units do not support unframed operation To determine whether or not your DSX 1 compatible unit supports unframed operation when connected to a V 35 compatible unit all three of the following conditions must be true 1 The DSX 1 compatible unit must have a firmware revision number of seven 07 or higher If you have a DSX 1 compatible standalone unit display the HDSL FW firmware revision number by selecting the Board Configuration option 3 from the Main Menu a system terminal is required If you have a DSX 1 compatible nest mounted unit refer to the HotWire Models 7924 and 7925 T1 and E1 HDSL Nest Card Termination Units User s Guide 2 The V 35 compatible unit must have an HDSL firmware revision number of three 03 or higher To display the HDSL FW firmware revision number select the Board Configuration option 3 from the Main Menu a system terminal is required
Download Pdf Manuals
Related Search