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ADCP-50-304 • Issue 19 • June 1999 • Section 4: PatchSwitch X.21

Page 4-2

© 1999, ADC Telecommunications, Inc.

2

DESCRIPTION

The ADC PatchSwitch X.21 modules provide monitor and patch access to X.21 leads. Some
modules also provide local and remote alarming, testing, or status indicators.

2.1

PSM-812001 X.21 LED/Alarm Patch Module with A/B Switching and Off-Line Patch Access

This module provides monitoring and access to 15 active X.21 leads, A/B Switching, LED
signal status indication, and call request and termination time-out alarming. A block diagram
representing the PSM-812001 Module is shown in

.

Figure 4-1. PSM-812001 Module Block Diagram

SWITCHING

CIRCUIT

ALARM

CIRCUITS

1628-A

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Содержание and V35

Страница 1: ...M L E D DLY RST ALM DTR DSR CTS RTS DCD SQ RD TD 0 F F A L M L E D DLY RST ALM DTR DSR CTS RTS DCD SQ RD TD 0 F F A L M L E D DLY RST ALM DTR DSR CTS RTS DCD SQ RD TD 0 F F A L M L E D DLY RST ALM DT...

Страница 2: ...er disclaims any and all liability for indirect incidental special consequential or other similar damages This disclaimer of liability applies to all products publications and services during and afte...

Страница 3: ...Line Patch Access PSM 01 2 7 3 3 Patch Module with A B Switching and In Line Patch Access PSM 02 2 12 4 A B SWITCHING MODULE PSM 03 2 13 5 LED ALARM PATCH MODULE WITH A B SWITCHING AND OFF LINE ACCES...

Страница 4: ...1 Backplane Adapter Module 4 5 2 8 PSO 839002 Backplane Adapter Module 4 5 3 FUNCTIONAL DESCRIPTION 4 5 3 1 A B Switch Modules 4 5 3 2 Switch Module Interlocks 4 6 3 3 Monitor Patch and Access Modules...

Страница 5: ...ION 6 8 4 1 Interlock Jumper Installation 6 8 4 2 Alarm Jumper Installation 6 8 4 3 Automatic Alarm Reset Jumper Installation 6 9 SECTION 7 OPERATION 1 GENERAL 7 2 2 PATCHING IN LINE ACCESS MODULES 7...

Страница 6: ...21 Reset Alarm Status IN Command 7 19 6 22 Enable Disable Alarm Status Reporting AL Command 7 19 6 23 Request Switching AB Command 7 20 6 24 Request Super Chassis Command SC Command 7 22 6 25 De Sele...

Страница 7: ...anges 1st Edition Issue 4 07 83 Technical changes 2nd Edition Issue 1 02 84 Incorporation of remote control 2nd Edition Issue 2 10 84 Technical changes 3rd Edition Issue 1 03 86 Incorporated PSM 12 an...

Страница 8: ...warn of possible hazards to persons or equipment An admonishment identifies a possible hazard and then explains what may happen if the hazard is not avoided The admonishments in the form of Dangers W...

Страница 9: ...static discharge wrist strap to prevent damage to electronic components Place modules in anti static packing material when transporting or storing When working on modules always place them on an appro...

Страница 10: ...INTRODUCTION...

Страница 11: ...quipments at the DTE end and as directed toward the modem at the DCE end 3 Loss of monitored signal alarming circuits which identify the down circuit with either or both visual and audible indications...

Страница 12: ...a blank panel and the 18th position contains the PS Chassis Control Module Each of the 16 modules provides patching and or A B A channel DTE or B channel DTE fallback switching for all 23 leads of an...

Страница 13: ...DCE Connectors 16 PSM 02 1 PSM 09 RDC 01 PSA 04 RS 232 16 Line Patching with A B Switching Female DTE and Male DCE Connectors 16 PSM 02 1 PSM 09 RDC 02 PSA 05 RS 232 16 Line A B Switching Female DTE...

Страница 14: ...ction 1 Introduction Page 1 4 1999 ADC Telecommunications Inc Figure 1 1 Typical Hot Spare Modem Configuration MODULE 1 A B MODEM 1 MODULE 2 A B MODEM 2 MODULE 3 A B MODEM 3 MODULE 4 A B MODEM 4 SPARE...

Страница 15: ...ons PSM 03 Module with A B Switching Only A B electromechanical switching between two data communications devices PSM 04 LED Alarm Patch Module with Off Line Access Same as PSM 01 except it provides d...

Страница 16: ...th manual dc pulse bank switching and remote control operations A four position DIP switch on the Control Module encodes the chassis identification number Remote control devices use this number to sel...

Страница 17: ...module is a printed circuit board assembly with components a front panel one toggle switch and two LEDs and a rear 96 pin DIN connector It may be mounted in any of the first 16 module positions 2 2 7...

Страница 18: ...rm condition exits After an alarm conditions occurs the alarm circuit may be reset by the operator touching the finger reset RST switch A toggle switch is also provided to enable disable the alarm LED...

Страница 19: ...Requirements PS Chassis 5 Vdc 3 amps 12 Vdc 1 amp switching 3 1 DMPS 10 AC Power Supply The DMPS 10 AC Power Supply provides all dc operating voltages and current required by up to four fully populate...

Страница 20: ...FUNCTIONAL DESCRIPTION...

Страница 21: ...M 12 2 15 9 TEST MODULE PSM 13 2 16 10 PS RS 422 RS 232 INTERFACE CONVERTER MODULE PSR 06 2 17 11 PS CHASSIS POWER 2 18 ________________________________________________________________________________...

Страница 22: ...monitor function If the module is in the B or sub state this provides direct test access to the off line device The middle port B functions in the same manner for the middle connector J 2 on the chas...

Страница 23: ...circuitry The alarm circuitry must also be conditioned by proper strapping jumper of the individual PS chassis module When the alarm condition occurs the individual module energizes its yellow LED ind...

Страница 24: ...andard The communications channel transmission medium is a cable consisting of four twisted wires within an overall shield The shield is ground potential Figure 2 3 Control Module Simplified Block Dia...

Страница 25: ...2 REMOTE CONTROL UNIT UP TO 1000 FT 304 M PATCHSWITCH CHASSIS 0 CM 0 SLOT 18 PS MODULE SLOT 16 PS MODULE SLOT 1 SLOT 17 SLOTS 2 15 B A C K P L A N E PATCHSWITCH CHASSIS 7 CM 7 SLOT 18 PS MODULE SLOT 1...

Страница 26: ...a DCE device and has the following data transmission characteristics 1 Speed of 1200 bits per second 2 Asynchronous transmission 3 Bit serial ASCII data 8 bit no parity 4 One Stop bit During normal op...

Страница 27: ...atch Module with A B Switching and In Line Patch Access PSM 01 This PS module provides patching and switching functions together with lead status switch status and alarm indications A simplified circu...

Страница 28: ...The interchassis interlock cable is a 20 position ribbon cable 4WC 03 with a 20 pin connector for each chassis Each module interlock group jumper block may have no more than one jumper installed at a...

Страница 29: ...DTE AND ALARM LOGIC DTE A DTE B DCE UPPER INTERFACE PORT LOWER INTERFACE PORT A B A B TOGGLE SWITCH TOGGLE SWITCH A B SWITCH LOGIC A B SWITCH CONTROL A B RELAYS A B RELAYS A B INTERLOCK JUMPER GROUP 1...

Страница 30: ...ier Detect 109 BA 9 DCE Positive DC Test Voltage 10 DCE Negative DC Test Voltage 11 12 SRLSD DCE Sec Data Carrier Detect 122 SCF 13 S CTS DCE Sec Clear To Send 121 SCB 14 STD DTE Sec Transmittal Data...

Страница 31: ...led circuit diagram of this module is shown in Figure 2 7 Table 2 4 LED Status Indicators LED STATUS INDICATOR COLOR SIGNAL DEFINITION A Red DTE A B Green DTE B TD Green Transmitted Data RD Green Rece...

Страница 32: ...more than one jumper installed at one time 2 Horizontal Interlock Groups 3 and 4 are horizontal and they include only modules in the individual chassis With this grouping all modules having a jumper p...

Страница 33: ...PS module provides interface patching together with status and alarm indications A simplified circuit illustrating patching only is shown in Figure 2 9 The COMPUTER patch cord jack connects directly...

Страница 34: ...on audible alarm off and rotary switch DLY alarm time delay setting The alarm may be automatically reset if the automatic alarm reset jumper is in place LED status indicators with their color and sig...

Страница 35: ...ator turns on only while the signal is present The colors and signal definitions for the applicable LED status indicators are detailed in Table 2 4 An adjustable alarm circuit with associated LED ALM...

Страница 36: ...curs the operator may reset the circuit by placing a finger on the RST touch switch contacts Figure 2 11 PSM 12 Test Module with LED Monitoring 9 TEST MODULE PSM 13 Test Module PSM 13 provides the use...

Страница 37: ...is also a two position Berg Post to inactivate interface when Data Set Ready DSR is not asserted DTE mode only A simple block diagram illustrating the Data Converter connections is shown in Figure 2...

Страница 38: ...in Figure 2 15 Figure 2 15 PS Chassis Power Supply Block Diagram Table 2 6 Converter Module LED Status Indicators STATUS INDICATOR COLOR SIGNAL DEFINITION DCE DTE CMD Green TD RD RSP Green RD TD SEL...

Страница 39: ...PATCHSWITCH V 35...

Страница 40: ...CE Switching takes place between DTE A and DTE B to connect to DCE As an alternative to the V 35 conversion boards V 35 cables using DB 25 connectors can be used to attach easily to the RDC 01 PSC 01...

Страница 41: ...n allows the user to configure to his specific needs Once the V 35 module is in service it s use is the same as a regular PatchSwitch module Test equipment such as a data line monitor can be connected...

Страница 42: ...Ground 1 B SG Signal Ground 7 C RTS DTE Request to Send 4 D CTS DCE Clear to Send 5 E DSR DCE Data Set Ready 6 F DCD DCE Data CXR Detect 8 H DTR DTE Data Term Ready 20 J RI DCE Ring Indicator 22 P TD...

Страница 43: ...time delay Switch position 8 is straight up Sw Pos TD 8 None 7 62 5 msec 6 250 msec 5 500 msec 4 1 0 sec 3 8 0 sec 2 32 0 sec 1 64 0 sec V RC DCE Rec Clck 17 X RC DCE Rec Clck 18 Y TC DCE Trans Clck 1...

Страница 44: ...he user the ability to manage the V 35 lead set This option as noted in Table 3 5 allows the user to custom configure the leads patched in each of his V 35 modules for his specific needs Normal Pin As...

Страница 45: ...MRodules CC KK NN JJ DD Z N L E2 E3 E4 E5 E6 E7 EE HH LL FF BB M K CC KK NN JJ DD Z N L E2 E3 E4 E5 E6 E7 L N Z DD JJ NN KK CC EE HH LL FF BB M K E7 E6 E5 E4 E3 E2 K M BB FF LL HH EE V 35 THREE MALES...

Страница 46: ...add a strap from E2 to EE on each of the three connector units on the FFM 01 or FFM 02 Subboard and lead EE is now routed through the patch mechanism and also switched from A to B if that action occur...

Страница 47: ...be used Bring the end of the DCE cable in from the side of the equipment rack and connect it to the bottom connector on the conversion board Form the cable neatly away from the board along an equipme...

Страница 48: ...ITRONICS MRE34JTDH G34 00000 40 Connector V 35 Male AMP INC 201357 1 Contacts Male AMP INC 66703 2 Note The hold down screws on the cable plugs for the ADC V 35 Connector Subboard are a standard NSC 6...

Страница 49: ...PATCHSWITCH X 21...

Страница 50: ...8 B Alarm Enable Disable 4 9 3 9 PSM 832002 Module Quiescent State Indicators 4 9 4 POWER REQUIREMENTS 4 9 5 SPECIFICATIONS 4 10 6 INSTALLATION 4 10 6 1 Interlock Jumper Installation 4 10 6 2 Alarm Ju...

Страница 51: ...ming testing or status indicators 2 1 PSM 812001 X 21 LED Alarm Patch Module with A B Switching and Off Line Patch Access This module provides monitoring and access to 15 active X 21 leads A B Switchi...

Страница 52: ...iagram representing the PSM 813001 module is shown in Figure 4 2 Figure 4 2 PSM 813001 Module Block Diagram 2 3 PSM 832001 X 21 LED Alarm PatchSwitch Interface Module This Module provides monitoring a...

Страница 53: ...LED Alarm PatchSwitch Test Status Module This module provides monitoring and access to 15 active X 21 leads through a standard patch port In parallel with this port there is a female 15 pin D sub con...

Страница 54: ...t of the backplane adapter provide connections to the RDC 02 PSC 02 PatchSwitch chassis backplane The top two front connectors are male and the bottom one is female 2 8 PSO 839002 Backplane Adapter Mo...

Страница 55: ...odules contain three front panel jacks for easy access to the X 21 data circuit and rear connectors for attaching the module to the digital circuit The rear connectors are provided to interface with t...

Страница 56: ...lead or the dropping of the C lead and the dropping of the I lead during the call clear phase If this value is greater than the user selected interval the B alarm LED and or audible alarm is activated...

Страница 57: ...switch positions are time values ranging from none to 105 9 sec nominal Time delay settings 8 position switch are denoted on the front panel by varying length arcs around the rotary switch the longer...

Страница 58: ...will be on indicating a state one condition This is like an idle state on a live X 21 circuit 4 POWER REQUIREMENTS The PatchSwitch chassis requires a power supply 110 Vac 60 Hz 220 Vac 50 Hz or 48 Vd...

Страница 59: ...of the jumpers on the module Interlocking is used to protect the user from accidentally switching a common backup piece of equipment onto two or more different data lines This is accomplished by allo...

Страница 60: ...d are not affected by the interchassis interlock cable Each module interlock group jumper block may have no more than one jumper installed at a time 3 Vertical Interlock The vertical interlock jumper...

Страница 61: ...s away from you Place the three 25 pin connectors into the three 25 pin mating connectors on the chassis and press firmly into place Using the screws provided tighten the connector to assure a good co...

Страница 62: ...SITE PREPARATION...

Страница 63: ...nches in depth Prior to installation select the rack positions in the system where the chassis and other units of PatchSwitch equipment are to be located 3 ENVIRONMENTAL CONSIDERATIONS The allowable a...

Страница 64: ...ADCP 50 304 Issue 19 June 1999 Section 5 Site Preparation Page 5 2 1999 ADC Telecommunications Inc...

Страница 65: ...INSTALLATION...

Страница 66: ...y inspect the unit s for signs of damage The PatchSwitch equipment is normally shipped with the modules installed in the chassis If the modules are not contained in the chassis location slots when the...

Страница 67: ...ly Connection Procedure Each PS chassis requires a separate power supply The ac power supplies PSW 000001 and PSW 000003 are equipped with six foot line power cords and six foot dc power cords The dc...

Страница 68: ...or the RS 232 control device modem computer CRT or RCU Two 9 pin female type D sub connectors on the backplane of the chassis provide for CM interface with another PS chassis The bottom connector of s...

Страница 69: ...ress is ignored Each CM contains a four position DIP switch to identify its chassis address Bit positions 1 through 4 on the DIP switch are set to an identifying address assigned to that chassis durin...

Страница 70: ...ition represents a zero 0 bit and conversely a switch in the down position not ON represents a one 1 bit For example when facing the component side of the CM circuit board the address for the chassis...

Страница 71: ...ause a switch to the A position from the B position If the automatic switching is not desired leave the jumper in the STORE position When installed the autofallback selection does not override the CM...

Страница 72: ...port When the dc pulse control bank switching option is selected the 2 8 jumper block must be installed on the dc pulse control side of the 3 8 jumper selections Refer to Figure 6 6 for illustration...

Страница 73: ...a jumper on group 2 make up the other group providing interchassis cables are installed between chassis 2 Horizontal Interlock Groups 3 and 4 are horizontal and they include only modules in the indivi...

Страница 74: ...Each module with the alarming feature has automatic reset and store jumper contacts in the lower right corner of the component side as shown in Figure 6 7 The alarm automatically resets when the jumpe...

Страница 75: ...OPERATION...

Страница 76: ...onventions 7 6 6 9 Command Flags 7 7 6 10 Command Interpretation 7 7 6 11 Command Responses 7 8 6 12 Command Descriptions 7 8 6 13 Select PS Chassis Command 7 9 6 14 GO Command 7 9 6 15 Request Softwa...

Страница 77: ...into the desired MONITOR jack circuit 2 2 Intrusive Patching Intrusive patching is used to perform a restoral function on a failed component to make a substitution of a different device or to reroute...

Страница 78: ...patch jacks of a PS equipment module and the test module patch jack The test module provides two RS 232 V 24 ports for connecting test equipment on the rear of the module Refer to Section 2 for a deta...

Страница 79: ...switch while waiting for the module switch function to occur Once the toggling operation is performed the circuitry senses the switch change and completes the module switching operation upon receivin...

Страница 80: ...l of the module alarm LEDs yellow and silences the audible alarm The alarm reset function clears all the alarm circuits An individual module alarm circuit may be selectively reset by touching the two...

Страница 81: ...is modules 6 7 Remote Control Commands Commands are issued by the remote control device to l select the desired PS chassis 2 perform the selected module s AIB switching operations 3 request the status...

Страница 82: ...rs are valid but incorrectly entered the operator should re enter the command string When a command string contains characters the CM software saves the command The command remains stored in the CM un...

Страница 83: ...id the CM returns an error message containing an error code The error codes are defined at the end of this section If a change in the PS chassis occurred after the CM transmitted the last status infor...

Страница 84: ...hassis simultaneously Up to sixteen chassis may be selected e g 00 01 02 05 07 or all for sixteen If the chassis identification xx number in the TLK CRT or SPK command on a CM matches the DIP switch s...

Страница 85: ...ntrol device in one of three formats The format transmitted depends upon the type of select command used when the chassis is originally selected If the TLKxx command activated the PS chassis the statu...

Страница 86: ...ccur frequently in establishing switch configurations These are described in Table 7 2 Table 7 2 Status Displays STATUS DISPLAY DISPLAY DEFINITION Status Display 1 Chassis No Xx Chassis No XX XX the c...

Страница 87: ...the selected chassis followed by the Select Operation Menu If the chassis had previously been selected by the SC command and a GS command was executed the status display is preceded by a message indic...

Страница 88: ...enu used for establishing switch configurations is the Select Operation Menu This is the first menu displayed after the status display Table 7 3 Chassis Selection and Configuration via TLKxx Command A...

Страница 89: ...lowing as determined by the selection from the Select Switch Action Menu Switch to A Normal Switch to B Substitute Invert Switch Status Switch to Monitor Break to Equipment Break to Line Allows one or...

Страница 90: ...atus Failed Act Command Action Incomplete Retry Command 1 Yes 2 No Ctrl X To Exit 2 Five selectable predefined chassis configurations each identified by a 11 character name Ctrl X Redisplays the Selec...

Страница 91: ...lected location Note The previous contents of this configuration memory will be lost after the current configuration is stored l Display Status Redisplays the current status followed Action Menu 2 Sav...

Страница 92: ...N CONFIGURATION SWITCH SELECT CONFIGURATION DISPLAY OF SELECTED CONFIGURATION SWITCH TO DISPLAYED CONFIGURATION XXXXXXXXXX APPLICATION ONLINE CARD SELECTION DISPLAY OF NEW CHASSIS CONFIGURATION OR OR...

Страница 93: ...6 and 316 are decoded to their binary equivalents which are 0110 1010 and 00l1 respectively These 12 bits are assigned to module addresses 11 through 0 least significant In this example 56A3 16 module...

Страница 94: ...The AL command must contain a string of parameters for defining the action enable or disable the type of circuit card the slot number where the action is to start and the slot number where the action...

Страница 95: ...d flag or prior to the string terminating characters If an echo Note Alarm conditions are always reported to a Remote Control Unit PSR 03 and terminal Table 7 7 Enable Disable Alarm Stratus Reporting...

Страница 96: ...RATION COMMAND STRING PARAMETERS DEFINITIONS OR COMMENTS Request to Switch Module AB namslot numslot numskkp action flag AB indicates a switch request namslot name of starting slot Range 0 15 No defau...

Страница 97: ...silenced Each chassis specified by the SC command operates independently from all other chassis in the system All chassis in the system not selected by the SC command are de selected Table 7 9 describ...

Страница 98: ...tification name in the range 00 07 nn the type of error error code yyyy the specific error The error codes are 15 l0yy AB card yy failed to switch where yy is in the range 00 15 This error will occur...

Страница 99: ...ivated by a terminal the user may test the quality of the communications line transmission by sending a message test data or random character string to the selected chassis The test data string must i...

Страница 100: ...GENERAL INFORMATION...

Страница 101: ...e Handbook 2 REPAIR ADVANCE REPLACEMENT POLICY All repairs of ADC Products must be done by ADC or an authorized representative Any attempt to repair or modify ADC Products without prior written author...

Страница 102: ...t of Warranty ADC will credit Buyer eighty percent 80 of Product price charged for any In Warranty Product under the Program terms Products must be returned within thirty 30 days to beeligible for any...

Страница 103: ...products publications and services during and after the warranty period This publication may be verified at any time by contacting ADC s Technical Assistance Center at 1 800 366 3891 extension 3223 in...

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