MEGAPLEX-2100 MODULE
Contents
1. Table 1 3 VC 6 FXS Panel Components Description On when a call initiated by the remote subscriber is being handled by the corresponding channel channel is busy On when the local subscriber of the corresponding channel is off hook busy RJ 11 connector for connection to the channel Connector pin assignments are given in Appendix A Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com VC 6 Installation and Operation Manual Chapter 1 Introduction Table 1 4 VC 6 FXO Panel Components Item Description REM O H Indicator On when the remote subscriber of the corresponding channel is off hook per channel busy RING Indicator On when ringing is received on the corresponding channel per channel Channel Connector RJ 11 connector for connection to the channel per channel Connector pin assignments are given in Appendix A 1 3 Functional Description Audio Performance All the VC 6 modules provide six high quality voice channels the functional difference between the various modules being in the signaling interface and mode The analog interface for the VC 6 E amp M version can be selected by the user 2 wire or 4 wire for the other versions a 2 wire interface is used Voice encoding for all module versions is toll quality 64 kbps PCM in compliance with ITU T Rec G 711 and AT amp T Pub 43801 The user can select the companding law u law or A law in accordance with system requirements To increase applicatio2. Installation and Operation Manual VC 6 6 Channel PCM Voice Module MEGAPLEX 2100 MODULE Ph 727 398 5252 Fax 727 397 9610 MEGAPLEX 2100 MODULE VC 6 6 Channel PCM Voice Module Installation and Operation Manual Notice This manual contains information that is proprietary to RAD Data Communications No part of this publication may be reproduced in any form whatsoever without prior written approval by RAD Data Communications No representation or warranties for fitness for any purpose other than what is specifically mentioned in this manual is made either by RAD Data Communications or its agents For further information contact RAD Data Communications at the address below or contact your local distributor International Headquarters RAD Data Communications Ltd 24 Raoul Wallenberg St Tel Aviv 69719 Israel Tel 972 3 6458181 Fax 972 3 6498250 E mail rad rad co il 2000 RAD Data Communications Order from Cutter Networks U S Headquarters RAD Data Communications Inc 900 Corporate Drive Mahwah NJ 07430 USA Tel 201 529 1100 Toll free 1 800 444 7234 Fax 201 529 5777 E mail market radusa com Publication No 764 224 09 00 Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Quick Start Guide If you are familiar with the VC 6 module use this guide to prepare it for operation Preliminary Preparations VC 6 FXS and VC 6 FXO modules do not require any internal sett
3. ranges connected to the channel see Fi 1 E amp M 2 dBm to 23 dBm EN FXS 2 dBm to 17 dBm FXO 2 dBm to 23 dBm OPERATION Selects the operating BIDIRECTIONAL Normal Refer to Support for MODE mode of the channel point to point mode Unidirectional and Broadcast Order from Cutter Networks UNIDIRECTIONAL Channel operates in the unidirectional mode In this mode it can only receive the signals carried by the assigned timeslot but cannot transmit The mode is available only for VC 6 E amp M modules BROADCAST Channel operates in the bidirectional mode In this mode the channel receives the signals carried by the assigned timeslot and will transmit only when the M input is active The mode is available only for VC 6 E amp M and VC 6 FXS modules Configuring VC 6 Module Ph 727 398 5252 Fax 727 397 9610 Applications in Chapter 1 for details 3 3 www bestdatasource com Chapter 3 Configuration Instructions VC 6 Channel Nominal Level Transmit 0 dBm Input Circuit Transmit TLP Adjust Level to 16 dBm Signal Processor T1 Receive TLP Receive 2 dB LRi Output Circuit Adjust Level to 2 dBm Figure 3 1 Selection of Transmit and Receive Levels Assigning the Timeslots 3 4 Order from Cutter Networks After performing the configuration of the individual module channels it is VC 6 Installation and Operation Manual necessary to assign a main link timeslot
4. user toti e ea A UI VET ot icula E RS QE ph OU ers eid B 2 VC 6 Installation and Operation Manual Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Table of Contents List of Figures 1 1 Typical Basic Application for VC 6 E amp M Modules sees 1 2 1 2 Typical OPX Application for VC 6 FXO and VC 6 FXS Modules 1 4 1 3 Typical PLAR Application for VC 6 FXS Modules esee 1 5 1 4 Typical PSTN Application for VC 6 FXO Modules seen 1 5 1 5 VC 6 Module Panels eto hn a antes treinta eva oa P MR redeo HN Plau eode 1 6 1 6 Typical Unidirectional Application for VC 6 Modules seesess 1 8 1 7 Typical Bidirectional Application for VC 6 E amp M Modules esses 1 9 2 1 VC 6 E amp M Module Internal Settings 5 ratos et iba io tendono ect pend ebore iod ea 2 2 2 2 Equivalent Signaling Circuits seri iniri rts teet ica tita et tegere lene ere ASIE 2 3 3 1 Selection of Transmit and Receive Levels iue atr rr pe Die PLE Rel IS PRAG n adV 3 4 4 1 Local Loop Signal Pathissa uisu utbs p ed bt Ste Goto bb um deat uud 4 3 4 2 Remote Loop Signal Pathi o i eio Caii dco ba hace sd HR DR Ue br 4 4 4 3 Test Lone Injection Path ite aep ictor ul eti Md RO d rnt mea d I FERRI enl 4 5 List of Tables 1 1 VC 6 Module Interface Type iis ecce eoe nitenes emit rd eite i pae t
5. 2 1 2 5 Module Tastallation Save eee dt ble o pi dede al Adele b e vas RA UIS DRE 2 4 Connecting the Voice Channels aine eleean Ponce ad des eene enisi uae eL ea Dies 2 4 Connecting the External 48 VDC Voltage icut tay tid cba Fecit detenta ipea 2 4 255 Normal Indications coco olas eei re etin d cate e eH e a iR tA 2 5 Chapter 3 Configuration Instructions 34 Config ring VC OMOGQUIG Laser prete E E i i ed 3 1 Configuring Module Parameters eene eene 3 1 Configuring Channel Parameters tri t e etes 3 3 Assigning the Timeslots s x3 attese tei ata a I OE OI E 3 4 Chapter 4 Alarms and Diagnostics d Genefal dede nsi tae dejas taedia AI ie sue de cete dd and 4 1 AD Alarm MESSA pS xcu dee Cate n s ideo ul eerta en rt apna ers Poir ua i 4 1 4 3 DNAS ec E 4 2 Local LOOP RR 4 2 REMOtE LOOP 2 do t eue ig bt Ue ed fc Eod a tees 4 3 Tonhe IBJectlon s ee o te e ertt ete tee D 4 4 4 4 Troubleshooting Instructions sso d n i t eM beret oen bob oied 4 5 Recommended Test Sequence 0 Eon ie RT EU aaa aa 4 5 Appendix A Connector Data AU WV Cab ESNICOBHECLOT aati teresa a d Utd a eec d UE uat A 1 A 2 VC 6 FXS and VC 6 FXO COD ISCEOE c0 ys Aates eesti er oet oen erste b gh nee A 2 Aso DC POWER IISCCODPBOCEO ps roii t det raion uela b pe tatio oan dos De das t s did A 2 Appendix B Operation with FCD E1M and FCD T1M B 1 Configuration Parameters od etna edi mete dui ege imer pY RR Fa ar uU TR DNE ranean B 1 Bud Alarm M sSages
6. 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 2 Module Installation and Setup 2 2 Order from Cutter Networks swi Typel ON Type Il ON Type Ill ON SSDC5 OFF ON i sw1 Sw2 OFF Figure 2 1 Sw3 VC 6 Installation and Operation Manual Table 2 1 lists the required switch settings Table 2 1 Selection of E amp M Signaling Mode Signaling Mode RS 464 Type RS 464 Type Il RS 464 Type III RS 464 Type V BT SSDC5 The VC 6 E amp M module signaling mode is factory set to EIA RS 464 Type V Switch SW1 ON ON ON OFF OFF BT SSDC5 signaling Module Setup Switch SW2 ON OFF ON OFF OFF Ph 727 398 5252 Fax 727 397 9610 VC 6 E amp M Module Internal Settings Switch SW3 ON ON ON OFF OFF www bestdatasource com VC 6 Installation and Operation Manual Chapter 2 Module Installation and Setup E amp M Interface eonan w J E On Hook GND Open Off Hook 48VDC GND A RS 464 Type E amp M PABX Interface On Hook Open Open Off Hook 48VDC GND SB Lead SG Lead B RS 464 Type II E amp M PABX Interface On Hook Open Open Off Hook 48VDC GND SB Lead SG Lead C RS464 Typellll E amp M Interface On Hook Open Open Off Hook GND GND LEGEND D RS464 Type V SSDC5 I Signaling Detector Circuit Figure 2 2 Equivalent Signaling Circuits Note The VC 6 FXS and VC 6 FXO module
7. Figure 1 6 Typical Unidirectional Application for VC 6 Modules In the application shown in Figure 1 6 the user at the central location A is connected to a VC 6 channel configured for operation in the normal mode The timeslot assigned to user A is routed to the desired main link and the channels of the other users e g at location B are configured for the unidirectional mode and routed to the same timeslot on the main link connected to the Megaplex 2100 at location A e g to link A e In the forward path from location A the timeslot assigned to the VC 6 channel configured for unidirectional operation is automatically bypassed to the timeslot with the same number on link B and in addition is routed to the receive path of the unidirectional channel Therefore the transmit signal of user A is relayed to the following units and the user B hears user A 1 8 Functional Description Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com VC 6 Installation and Operation Manual Chapter 1 Introduction e Inthe reverse path to location A the timeslot is always bypassed from link B to link A To prevent interference from the unidirectional channel its transmit path is always disconnected from the main link timeslots at location B no information is inserted in the timeslot bypassed from link B to link A and user B cannot speak with any other user In addition to letting all the users attached to unidirec
8. Module Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com VC 6 Installation and Operation Manual Chapter 3 Configuration Instructions Configuring Channel Parameters Table 3 2 explains the programmable parameters of the VC 6 channels and their range of values Table 3 2 VC 6 Modules Channel Parameters Parameter Function Values Configuration Guidelines CONNECT Determines whether YES The channel is connected When the channel is i a di ted till Hie channeri NO The channel is disconnected ee E connected to the program the desired parameters main link so the channel will be ready to operate when needed TRANSMIT Selects the nominal The input level can be set in Select the transmit level to match LEVEL input level of the 1 dB increments in the following the transmission level point transmit path ranges E amp M 8 dBm to 17 dBm FXS 8 dBm to 13 dBm FXO 7 dBm to 18 dBm TLP transmit of the equipment connected to the channel Figure 3 1 explains how to determine the required level setting Note The application of an input signal at the nominal transmit level results in O dBm digital level and a far end output signal equal to the far end nominal receive level RECEIVE Selects the nominal The output level can be set in Select the receive level to match LEVEL input level of the 1 dB increments in the following the TLP receive of the equipment receive path
9. Notes Pin 25 is connected to the internal signal ground e Pin 50 is not connected VC 6 E amp M Connector A 1 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix A Connector Data VC 6 Installation and Operation Manual A 2 VC 6 FXS and VC 6 FXO Connector Table A 2 lists the wiring of the RJ 11 connectors used for the VC 6 FXS and VC 6 FXO modules Table A 2 RJ 11 Connector Wiring Pin Function 1 2 Not connected 3 Ring 4 Tip 5 6 Not connected A 3 DC POWER IN Connector Table A 3 lists the functions of the pins in the optional DC POWER IN connector available for VC 6 E amp M modules Table A 3 DC POWER IN Connector Pin Assignment Pin Function 1 Ground 2 Not connected 3 48 VDC A 2 DC POWER IN Connector Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix B Operation with FCD E1M and FCD T1M Operation of the VC 6 module with FCD E1M and FCD T1M is generally similar to its operation with the Megaplex 2100 family of modular E1 T1 multiplexer systems as explained in this manual The differences are seen in the following two areas e Configuration parameters Alarm messages This appendix identifies and lists these differences only For a full description of the configuration parameters and alarm messages refer to the Configuration Instructions and Alarm Messages sections in this manual B 1 Configuration Parameters
10. Profiles for T1 and E1 Main Links with Robbed Bit Frame Signaling Profile Tx LS Bit Rx E Lead Profile 1 M Lead Rx A Bit Profile 2 M Lead inverted Rx A inverted Note In the transmit path the state of the M lead is inserted in the least significant bit of each timeslot At the receive side the state of the E lead is read at the following intervals e T1 links once every 12 frames 500 samples per second e F1 link with G732S framing once per multiframe 500 samples per second e F1 link with G732N framing every frame 8000 samples per second 1 12 Functional Description Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com VC 6 Installation and Operation Manual Chapter 1 Introduction OOS Signaling In case the communication between modules located in different Megaplex units fails e g because loss of synchronization etc it is necessary to control the state of the signaling information at the two ends of the link This activity called out of service OOS signaling can be selected in accordance with the specific application requirements on a per channel basis e The OOS signaling options supported by the VC 6 E amp M modules are as follows u Signaling forced to the idle state for the duration of the out of service condition forced idle u Signaling forced to the busy state for the duration of the out of service condition forced busy u Signaling forced to the idle state
11. The figure shows only two Megaplex 2100 units locations B and X each with a VC 6 channel configured for the broadcast mode and assigned a timeslot on link A but the number of such units is not limited Functional Description 1 9 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 1 Introduction VC 6 Installation and Operation Manual In the application shown in Figure 1 7 the handling of the signals generated by user A is similar to that for the unidirectional mode described above The difference is that each broadcast user can insert its signal in the receive timeslot of link A instead of the signal bypassed from link B the change in routing is controlled by the M signal for VC 6 E amp M modules or by the off hook on hook detector for VC 6 FXS modules e When the M signal is not active idle or on hook state the receive timeslot is bypassed from link B to link A and continues toward user A e When the M signal is active off hook state the receive timeslot of link B is disconnected from link A and the transmit path of the local broadcast user is connected to link A Thus user A can request any user to answer and that user can lift the handset and connect to user A At any time only one user can speak with user A if more than one user answers only the user closer to location A will actually be heard Handling Of Signaling Information The VC 6 modules offer flexible configura
12. VC 6 Installation and Operation Manual 4 6 Troubleshooting Instructions Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix A Connector Data A 1 VC 6 E amp M Connector The VC 6 E amp M modules have a female 50 pin TELCO connector wired in accordance with Table A 1 Table A 1 also details the pin assignment of the CBL VC16 cable which is used to adapt between the module s single TELCO connector and six RJ 45 male connectors Table A 1 VC 6 E amp M Module TELCO Connector Pin Assignment TELCO CBL VC16 RJ 45 TELCO CBL VC16 RJ 45 Channel Connector Pin Pin Connector Pin Pin Function Signaling Ground SC 26 4 wire RX in E lead 27 T IN 1 Signaling Battery SB 28 R1 OUT 2 wire line M lead 29 4 wire TX out Signaling Ground SC 30 4 wire RX in E lead 31 T IN 2 Signaling Battery SB 32 R1 OUT 2 wire line 8 M lead 30 33 T1 OUT 4 wire TX out Signaling Ground SC 34 4 wire RX in E lead 35 T IN 3 Signaling Battery SB 36 R1 OUT 2 wire line M lead 30 37 T1 OUT 4 wire TX out Signaling Ground SC 38 4 wire RX in E lead 39 T IN 4 Signaling Battery SB R1 OUT 2 wire line M lead 30 T1 OUT 4 wire TX out Signaling Ground SC 4 wire RX in E lead T IN 5 Signaling Battery SB R1 OUT 2 wire line M lead 30 4 wire TX out Signaling Ground SC 4 wire RX in E lead T IN 6 Signaling Battery SB R1 OUT 2 wire line M lead 30 T1 OUT 4 wire TX out
13. to each connected channel as explained in the System Installation and Operation Manual Configuring VC 6 Module Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 4 Alarms and Diagnostics 4 1 General This chapter provides information on the alarms generated by the VC 6 modules and instructions for using the module specific diagnostic functions The diagnostic information presented in this chapter supplements the general Megaplex 2100 diagnostics operation instructions contained in the System Installation and Operation Manual 4 2 Alarm Messages Table 4 1 lists the alarm messages generated by the VC 6 module specifies their type and explains their interpretation Table 4 1 VC 6 Alarm Messages Code Message Type Interpretation 021 MODULE WAS REMOVED Event The module has been taken out of its slot 022 MODULE WAS INSERTED Event The module has been inserted 023 MODULE RESET OCCURRED Event The module has been automatically reset 024 MODULE INIT ERROR State Module initialization performed upon turn on or HARDWARE FAILURE module insertion has failed or a hardware malfunction has been detected in this module 025 NOT PROGRAMMED State The module that has been read from the Megaplex MODULE Minor unit is not programmed in the active database 026 PROGRAMMED INSTALL State The module that has been read from the Megaplex MODULE MISMATCH unit does not match the module programmed in the active database 028 MODULE H
14. versions do not include any internal user jumpers All their functions are programmable Module Setup 2 3 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 2 Module Installation and Setup VC 6 Installation and Operation Manual 2 3 Module Installation Insert the module in the assigned I O slot of the Megaplex chassis The module can be installed in an operating chassis hot insertion in this case the module starts operating immediately Connecting the Voice Channels For the VC 6 E amp M module all the voice channels are available on the single TELCO 50 pin connector Connector pin assignment is described in Appendix A You may either connect a cable prepared in accordance with Appendix A to the TELCO connector of the module or use an adapter cable for direct connection to the equipment using the voice channels A suitable cable designated CBL VC16 is available as an option from RAD this cable has a mating TELCO 50 pin connector for connection to the module and six RJ 45 male connectors one for each channel for direct connection to the user s equipment Cable length is 1 5m 5 ft For the VC 6 FXO and VC 6 FXS modules each voice channel terminates in a separate 6 pin RJ 11 female connector Connector pin assignment is described in Appendix A Connecting the External 48 VDC Voltage 2 4 Order from Cutter Networks Note The external 48 VDC feed voltage can be supplied to th
15. will shorten the range of the loop span For example 24 VDC input will only support loop spans which do not exceed 1 km e The VC 6 FXO module has 2 wire analog interfaces and FXO loop start signaling for direct connection to PBX extension lines In general VC 6 FXS and VC 6 FXO modules are intended for operation in a link with the VC 6 FXO module on the central office PBX side and the VC 6 FXS module on the subscriber side however VC 6 FXS modules can also operate in a link with E amp M modules The six channels of the VC 6 FXS and VC 6 FXO modules terminate in six RJ 11 female connectors for direct connection of user s equipment In a typical application one VC 6 FXO module is used in a link with a VC 6 FXS module to provide an off premises extension OPX as shown in Figure 1 2 This configuration permits the connection of a remote telephone as an extension of a PBX The remote telephone then becomes a regular local PBX subscriber which can be dialed by other subscribers using standard procedures and can also dial any other PBX subscriber Overview 1 3 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 1 Introduction VC 6 Installation and Operation Manual VC 6 FXO MEGAPLEX 2100 VC 6 FXS MEGAPLEX 2100 oo M RINGER 2000 Figure 1 2 Typical OPX Application for VC 6 FXO and VC 6 FXS Modules Another application w
16. 13 dBm VC 6 FXO 7 dBm to 18 dBm RECEIVE LEVEL VC 6 E amp M 2 dBm to 23 dBm VC 6 FXS 2 dBm to 17 dBm VC 6 FXO 2 dBm to 23 dBm OPERATION MODE Ph 727 398 5252 Fax 727 397 9610 BIDIRECTIONAL UNIDIRECTIONAL BROADCAST www bestdatasource com Contents Chapter 1 Introduction UNES uU M 1 1 M ESIOTS ci ie eee pee ed e econ Gaede ie ee e e ei e Lore Sadie D Eres 1 1 VC 6 E amp M Modul s iori tee ef bi tte Per rene i v ee iet 1 2 VC 6 FXS and VC 6 FXO Modules esessssseeeeeeee emen 1 3 12 Physical Descriptio deshalb are rg iof bb baton seadad Aa SiE putas 1 6 153 Functional DesCEHDLEGE ieena ahn r asiaa 1 7 A dio Performance deest ite a e destitit Hr a a aan 1 7 Support for Unidirectional and Broadcast Applications sss 1 7 Handling Of signaling InFOFRTIatiOrica aa odit aine ad e peine ridet c cn eed ud 1 10 Tirpeslot ASSISRITIGBE ates ci Seluinnasiataastaisacal aa ipne na lap es e e MD PM a ta Did 1 13 Management eeen E 1 13 Test and Diagnostic Capa ilies case c sete ett or tg ocu tin atta oce Subsets aie 1 13 144 Technical Specifications osi casco an ode ea tr PLE ON eec ei aur iidtaus 1 14 Chapter 2 Module Installation and Setup DN o Cetera ttum t odo coran advisers Uo mana d aetna es ues 2 1 225 Mod le Setup en patet Me ea toit Dunn pet tee epit dM ue ecu 2 1 LORT E BEE date foci eee t ete tt dee aei tre ere et Qe eer te eh ee be
17. ING Specifies the companding law to be used by the voice channels a LAW A law coding intended for use on E1 links u LAW u law coding intended for use on T1 links Configuring VC 6 Module 3 1 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 3 Configuration Instructions VC 6 Installation and Operation Manual Parameter SIGNALING PROFILE OUT OF SERVICE Table 3 1 VC 6 Modules General Parameters Cont Description This field specifies the end to end signaling transfer method The signaling transfer options depend on the type of main link module installed in the Megaplex enclosure For T1 interface modules e g ML T1 RBMF SIGNALING Robbed Bit Multiframe signaling in accordance with AT amp T Pub 43801 ROBBED BIT Proprietary robbed bit signaling method that does not require FRAME multiframe synchronization 7 bit PCM with channel signaling carried by the eighth bit of each channel NO SIGNALING Channel signaling is not transferred valid only for VC 6 E amp M If you select this option for other modules a MODULE HW SW CONFIG MISMATCH alarm message will be generated For E1 interface modules e g ML E1 CAS Channel Associated Signaling in accordance with ITU T Rec G 704 RBMF SIGNALING Robbed Bit signaling using proprietary method that requires multiframe synchronization ROBBED BIT Proprietary robbed bit signaling method that does not require FRAME multiframe syn
18. Table B 1 indicates the difference in the module parameters when operating with FCD E1M and FCD T1M Table B 2 indicates the difference in the channel parameters when operating with FCD E1M and FCD T1M Table B 1 FCD Module Parameters Parameter FCD Difference WIRES NUM No change CODING No change SIGNALING No change PROFILE Not applicable OUT OF SERVICE No change SIGNALING TDM LINK Not applicable Configuration Parameters X B 1 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Appendix B Operation with FCD E1M and FCD T1M VC 6 Installation and Operation Manual Table B 2 FCD Channel Parameters Parameter FCD Difference CONNECT No change TRANSMIT LEVEL No change RECEIVE LEVEL No change OPERATION MODE Not applicable B 2 Alarm Messages Table B 3 indicates the difference in the alarm messages when operating with FCD E1M and FCD T1M Table B 3 FCD Alarm Messages MP Code Difference FCD Code FCD Type 021 59 Major 022 58 Major 023 52 Major 024 57 Major 025 Not applicable 026 62 Major 028 61 Major 029 Not applicable B 2 Alarm Messages Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com RAD data communications Customer Response Form 24 Raoul Wallenberg St Tel Aviv 69719 Israel Tel 972 3 6458181 Fax 972 3 6483331 972 3 6498250 E mail erika_y rad co il Web site http www rad com RAD Data Communications would like your he
19. W SW CONFIG State The signaling transfer option selected by the user is not MISWATCH supported by the module 029 NOT SUPPORTED State The VC 6 module includes an old software version SOFTWARE VER that differs from the version expected by the CL module Alarm Messages 4 1 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 4 Alarms and Diagnostics VC 6 Installation and Operation Manual Table 4 1 VC 6 Alarm Messages Cont Code Message Type Interpretation 160 COMBO FAILURE IN CH1 State The COMBO of the specified channel failed This state COMBO FAILURE IN CH2 is often reported because of a transient fault If the COMBO FAILURE IN CH3 fault state persists the module must be repaired as COMBO FAILURE IN CH4 soon as possible COMBO FAILURE IN CH5 COMBO FAILURE IN CH6 4 3 Diagnostics The VC 6 modules have a complete set of test loops that includes local and remote loops on each channel In addition the VC 6 modules have provisions for the digital injection of a test tone towards the remote subscriber This tone is sent instead of the local transmit signal and provides a controlled test signal that allows rapid testing the tone should be received by the remote subscriber at the nominal receive level and should be heard loudly and clearly When a test or loopback is activated the user can also specify the time it remains active the range is 1 through 30 minutes in 1 minute steps After the sp
20. ails on VDC power sources and connection methods Figure 1 1 shows a typical basic application for VC 6 E amp M modules In this application the VC 6 modules operate in the normal bidirectional mode VC 6 modules support additional modes unidirectional or broadcast explained in the following sections VC 6 E amp M MEGAPLEX 2100 VC 6 E amp M MEGAPLEX 2100 Figure 1 1 Typical Basic Application for VC 6 E amp M Modules Overview Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com VC 6 Installation and Operation Manual Chapter 1 Introduction VC 6 FXS and VC 6 FXO Modules The VC 6 FXS and VC 6 FXO modules are used to connect regular telephone sets and other equipment with similar interface characteristics to central office and PBX extension lines e The VC 6 FXS module has 2 wire analog interfaces and FXS loop start signaling for direct connection to subscriber telephone sets The module requires 48 VDC for subscriber feed voltage which is supplied via a standard internal voltage connector from the chassis voltage distribution bus see Connecting the External 48 VDC Voltage in Chapter 2 for the details Note For subscriber feed voltage VC 6 FXS modules can operate with any VDC input between 20 VDC to 56 VDC This will be sufficient for supporting most applications However using input less than the nominal 48 VDC
21. c G 712 G 714 2 wire operation ITU T Rec G 713 0 dBm 600Q Better than 20 dB 0 5 dB at 300 to 3400 Hz E amp M TX 8 to 17 dBm RX 2 to 23 dBm FXS TX 8 to 13 dBm RX 2 to 17 dBm FXO TX 7 to 18 dBm 2 to 23 dBm Steps 1 dB 0 5 dB nominal www bestdatasource com Order from Cutter Networks VC 6 Installation and Operation Manual Signal to Total Distortion 8 bit PCM encoding Idle Channel Noise Transformer Isolation Signaling VC 6 E amp M VC 6 FXS Loop Start Signaling Characteristics with Ringer VC 6 FXO DC Impedance Ring Detector End to end Signaling T Ph 727 398 5252 Fax 727 397 9610 Chapter 1 Introduction ITU T Rec G 712 G 713 Method 2 O to 30 dBm0 better than 33 dB 3 to 45 dBm0 better than 22 dB Better than 65 dBm0 20 dBrnc 1500 Vrms EIA RS 464 Type EIA RS 464 Type Il III and V British Telecom SSDC5 using 12 VDC in place of 48 VDC Note For full support of Types II IIl and V SSDC5 signaling standards a 48 VDC supply is required which is supplied via an optional 3 pin connector on the module panel Signaling method Loop start On hook off hook threshold e 3V to 80 of feed voltage between TIP and RING in off hook state e More than 83 of feed voltage between TIP and RING in on hook state Feed current 22 mA 10 Ringer 86 VRMS when providing 4 REN or less to 45 VRMS when providing 12 REN max 20 Hz 1099 Ove
22. chronization 7 bit PCM with channel signaling carried by the eighth bit of each channel NO SIGNALING Channel signaling is not transferred valid only for VC 6 E amp M If you select this option for other modules a MODULE HW SW CONFIG MISMATCH alarm message will be generated Specifies the signaling profile refer to Handling Of Signaling Information in Chapter 1 for details 1 Signaling profile 1 2 Signaling profile 2 not supported by the VC 6 E amp M modules Specifies the state of the E lead of an out of service channel as appears to the PBX SIGNALING IDLE BUSY Signaling held at on hook state IDLE for 2 5 seconds followed by off hook state BUSY for the duration of the out of service condition BUSY IDLE Signaling held at off hook state BUSY for 2 5 seconds followed by on hook state IDLE for the duration of the out of service condition FORCED IDLE Signaling held at on hook state IDLE for the duration of the out of service condition FORCED BUSY Signaling held at off hook state BUSY for the duration of the out of service condition All values are available for VC 6 E amp M modules For VC 6 FXO modules only FORCED IDLE or FORCED BUSY values are available VC 6 FXS modules support only FORCED IDLE signaling TDM LINK Selects the main link to which the module will be connected The main link is specified by indicating the number of the I O slot in which the desired main link module is installed 3 2 Configuring VC 6
23. e VC 6 E amp M and VC 6 FXS modules from the following sources e Internal DC voltage distribution VC 6 FXS only the modules receive the required voltage internally via the chassis voltage distribution bus The chassis receives the DC voltages from an appropriate DC power supply installed Ringer 2100R 3000R module Megaplex 2100 or built in ringer option Megaplex 2104 only No external cable connections are required e Internal DC voltage distribution via external connection to chassis VC 6 FXS only the modules receive the required voltage internally via the chassis voltage distribution bus as in the method above The chassis receives the feed voltage externally for example from a Ringer module standalone unit via a cable connected to the dedicated 3 pin RINGER IN connector on the chassis power supply panel Megaplex 2100 only e External connection to module VC 6 E amp M ordered with dedicated DC POWER IN connector only the modules receive the optional external 48 VDC from a Ringer via a cable connected directly to the 3 pin connector on the module panel For subscriber feed voltage VC 6 FXS modules can operate with any VDC input between 20 VDC to 56 VDC This will be sufficient for supporting most applications However using input less than the nominal 48 VDC will shorten the range of the loop span For example 24 VDC input will only support loop spans which do not exceed 1 km RAD offers variety of Ringer standal
24. e ta re RIA a irai 1 1 1 2 VC 6 E amp M Panel Componiebts uiro ipee tnter rd rtt ete liue etn nl ra 1 6 1 37 VCSO EXS Panel GORROUGITS cia io ioco Dd ba peti dle a E db oec D Un adel 1 6 1 4 VC 6 FXO Panel CoripoBefites sooo queis titer terere tr Riera Peu inen 1 7 T 5 Signaling Types uetus etate taut paca dant iral tio A ii sc ttut A espe e e 1 11 1 6 Signaling Profiles for E1 Main Links with CAS Signaling 1 12 1 7 Signaling Profiles for T1 Main Links with Robbed Bit Multiframe Signaling 1 12 1 8 Signaling Profiles for T1 and E1 Main Links with Robbed Bit Frame Signaling 1 12 2 1 Selection of E amp M Signaling Mode caeci eoo ELA iia testy ta deitas ido aal rds 2 2 3 1 VC 6 Modules General Parameters nennen nnne 3 1 3 2 VC 6 Modules Channel Parameters sse 3 3 2 45 VC 6 Alarmi Sd EBEN M cedo Mun NN MUI M M AL AMA M CDL RUND AME ly cat 4 1 A 1 VC 6 E amp M Module TELCO Connector Pin Assignment eene A 1 AZARJA Connector MID dae tote ermita CORP D exta iuda Ea aE uocat T pulus A 2 A 3 DC POWER IN Connector Pin Assignment a ede ec ineo PM top Pn o e NM ements A 2 B L EGDModule Parameters cua cec actae cheveu og vane im LM at eios ge B 1 B2 FCD Channel ParameterS osse iseen ra fet ivsab Ege di ri Pais Pete ivt Ea MA at cd hU ias B 2 B 33 LG BE EID E coc MD cr B 2 ii VC 6 Installation and Operation Manual Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610
25. ecified time the test or loopback is automatically deactivated thereby reducing the management workload during system troubleshooting The default selection is continuous connection that is the test or loopback remain active until canceled by a user s command The following sections describe the available diagnostic activities Local Loop The local loop is a digital loop performed at the digital output of the each channel COMBO by returning the transmit signal of the channel in the same timeslot of the receive path The transmit signal is still sent to the remote Megaplex unit The loop signal path is shown in Figure 4 1 4 2 Diagnostics Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com VC 6 Installation and Operation Manual Chapter 4 Alarms and Diagnostics Channel 1 User or Test Equipment User or Test Equipment Remote Unit Unit 1 I O Modules E System Management Figure 4 1 Local Loop Signal Path Remote Loop The remote loop is an analog loop performed at the analog output of the channel COMBO by returning the analog receive signal of the channel to the input of the transmit path The receive signal remains connected to the local user and can be received by user While the loop is connected the remote voice channel should receive its own signal e g a strong sidetone should be heard in the earpiece if the channel is conn
26. ected to a telephone set The loop signal path is shown in Figure 4 2 Diagnostics 4 3 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 4 Alarms and Diagnostics VC 6 Installation and Operation Manual Channel 1 Channel 5 User or Test Equipment User or Test Equipment c i I O Modules i System Management Figure 4 2 Remote Loop Signal Path Tone Injection The test tone is a data sequence repeating at a rate of 1 kHz This data sequence is identical to the data sequence that would have been generated if a 1 kHz signal having a nominal level of 1 mW 0 dBm0 were applied to the input of the channel codec The tone is injected to the local transmit path multiplexer instead of the transmit signal of the channel The signal received from the other end remains connected to the local subscriber The tone can be injected to only one channel at a time Figure 4 3 shows the signal path 4 4 Diagnostics Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com VC 6 Installation and Operation Manual Chapter 4 Alarms and Diagnostics Test User or Equipment p 1 User or Test Equipment 1 0 Modules E System Management Figure 4 3 Test Tone Injection Path 4 4 Troubleshooting Instructions Recommended Test Sequence Order from Cu
27. ed with two main link modules operating in the dual link mode Functional Description 1 7 Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 1 Introduction VC 6 Installation and Operation Manual The unidirectional and broadcasting modes are supported only by software release 3 5 and higher If necessary contact RAD Technical Support Department for upgrade information Note Unidirectional Mode Applications The unidirectional mode supported by the VC 6 E amp M modules enables a user at a central location to send messages to users connected to remote Megaplex 2100 2104 units simplex communication while using only one main link timeslot In this mode any message is simultaneously heard by all the unidirectional users but none of them can answer This capability is achieved by separating the handling of the receive and transmit paths in the timeslot assigned for the unidirectional channels as shown by the dashed lines within the Megaplex 2100 unit at location B in Figure 1 6 Figure 1 6 shows a simple system configuration The figure shows only one Megaplex 2100 unit location B with a VC 6 channel configured for the unidirectional mode and assigned a timeslot on link A but the number of such units is not limited Location A Location C VC 6 VC 6 Bidirectional Mode Bidirectional Mode Location B in VC 6 Unidirectional Mode a Receive Only n MEGAPLEX 2100 MEGAPLEX 2100
28. for 2 5 seconds and then changed to the busy state for the remaining duration of the out of service condition idle busy u Signaling forced to the busy state for 2 5 seconds and then changed to the idle state for the remaining duration of the out of service condition busy idle e The OOS signaling options supported by the VC 6 FXO modules are forced idle and forced busy e The VC 6 FXS modules support only the forced idle option Timeslot Assignment Management The VC 6 modules require one main link timeslot per voice channel and provide the data in a DS 0 compatible format permitting voice channel switching in a DACS based system The Megaplex systems enables the user to select the main link module that will carry the VC 6 channels Moreover the user can select for each VC 6 channel the main link timeslot assigned to the channel in the corresponding T1 or E1 main link frame All the operating parameters are controlled by means of the system management except for the E amp M signaling type of the VC 6 E amp M module Test and Diagnostic Capabilities Order from Cutter Networks The VC 6 module automatically performs self test upon power up and during normal operation For diagnostics purposes each module channel has indicators that indicate its state e g the state of the E and M lines for the VC 6 E amp M version and thus enable the user to check for proper response to the state of its telephone set or equi
29. gure 1 3 Functional Description 1 11 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 1 Introduction VC 6 Installation and Operation Manual e Profile 2 is used to enable connection of VC 6 FXO or VC 6 FXS modules to T1 trunks ending in the PSTN a typical application of this type is shown in Figure 1 4 however VC 6 FXO modules using profile 2 can also be connected to VC 6 FXS modules using profile 2 Profile 2 is not supported by VC 6 E amp M modules For your convenience Table 1 6 Table 1 7 and Table 1 8 show the functions of the signaling bits in each profile for the various main link types and framing methods Note that the signaling information generated by VC 6 modules is actually carried by one bit Table 1 6 Signaling Profiles for E1 Main Links with CAS Signaling Profile Tx Signaling Rx Signaling Tx A Bit Tx B Bit Tx C Bit Tx D Bit E Lead Table 1 7 Signaling Profiles for T1 Main Links with Robbed Bit Multiframe Signaling Tx Signaling Tx A Bit Tx B Bit Tx C Bit Tx D Bit Forced to O M Lead inverted Forced to 0 M Lead inverted When using D4 SF framing only the A and B bits are available When using ESF framing the receive signaling information is actually taken from two bits A and B or B and D Profile Rx Signaling Profile 1 Rx A Bit Profile 2 FXO module Rx A Bit Profile 2 FXS module Rx B inverted Note Table 1 8 Signaling
30. hich requires only VC 6 FXS modules is the private line with automatic ringdown PLAR or hot line applications In PLAR or hot line applications six telephone sets are connected to the channels of two VC 6 FXS modules installed in two different Megaplex units connected in a link as shown in Figure 1 3 Each pair of local remote telephones can then communicate via the Megaplex link without dialing when one telephone goes off hook the other telephone rings 1 4 Overview Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com VC 6 Installation and Operation Manual Chapter 1 Introduction VC 6 FXS rE s TE L A C E L L a DE MEGAPLEX 2100 EA ES VC 6 FXS EFE Fl RINGER 2000 2 I5 MEGAPLEX 2100 T eas RINGER 2000 Figure 1 3 Typical PLAR Application for VC 6 FXS Modules Due to flexible signaling configuration capabilities the VC 6 FXS and VC 6 FXO modules can also be used in links ending in the public switched telephone network PSTN such as the typical application shown in Figure 1 4 In this application PSTN subscribers can dial directly to the subscribers connected to the VC 6 FXS module installed in the Megaplex unit VC 6 FXO EN a Trunk Li Public Switched H enm ES runk Line O L3 E Telephone Netw
31. ings For VC 6 E amp M modules select the required signaling mode referring to figure below m m m L m LT Connecting the Cables Insert the VC 6 module in the assigned slot of the Megaplex enclosure and then connect voice channels as follows e VC 6 E amp M modules use an adapter cable to connect the voice channels to the module TELCO connector e VC 6 FXS and VC 6 FXO modules connect the voice channels directly to the module RJ 11 connectors Connect the 48 VDC external feed voltage if required 1 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Quick Start Guide Configuring the Module 2 Order from Cutter Networks VC 6 Installation and Operation Manual Configure the VC 6 module and channel parameters and assign a main link timeslot to each connected channel The configuration parameters and the allowed range of values are listed below Parameter Module Parameters Range of Values WIRES NUM 4 WIRES 2 WIRES CODING a LAW u LAW SIGNALING T1 Links RBMF SIGNALING ROBBED BIT FRAME NO SIGNALING E1 Links CAS RBMF SIGNALING ROBBED BIT FRAME NO SIGNALING PROFILE 1 2 OUT OF SERVICE IDLE BUSY BUSY IDLE FORCED IDLE FORCED BUSY TDM LINK Channel Parameters CONNECT YES NO TRANSMIT LEVEL VC 6 E amp M 8 dBm to 17 dBm VC 6 FXS 8 dBm to
32. lp in improving its product documentation Please complete and return this form by mail or by fax or send us an e mail with your comments Thank you for your assistance Manual Name Publication Number Please grade the manual according to the following factors Installation instructions Operating instructions Manual organization Illustrations The manual as a whole Excellent tJ uuu What did you like about the manual Order from Cutter Networks Good tJ uud uc Ph 727 398 5252 Fax 727 397 9610 Fair J OuUuQU Poor g OuUuQU Very Poor J OUuUQU www bestdatasource com Error Report Type of Error s Incompatibility with product or Problem s Difficulty in understanding text Regulatory information Safety Compliance Warnings etc Difficulty in finding needed information Missing information Illogical flow of information Style spelling grammar references etc Appearance Other Qoaoguogogudoguogu Please list the exact page numbers with the error s detail the errors you found information missing unclear or inadequately explained etc and attach the page to your fax if necessary Please add any comments or suggestions you may have You are Distributor End user VAR Other OOO 0 Who is your distributor Your name and company Job title Address Direct telephone number and extension Fa
33. n flexibility the nominal audio transmit and receive levels of all the module versions can be adjusted over a wide range Due to the high quality audio reproduction DTMF signaling is transparently transferred in band Therefore the user can use DTMF signaling as usual e g can operate the telephone set keypad to access voice mail systems interactive systems etc In addition the VC 6 versions are offered with several signaling interfaces that is in the method used to interchange signaling between the local equipment connected to a module channel and the channel interface in accordance with the applicable standards The VC 6 modules require one aggregate timeslot per voice channel The maximum number of VC 6 modules that can be installed in one Megaplex 2100 enclosure is 10 corresponding to a maximum of 60 PCM voice channels per enclosure for a dual link E1 system For a dual link T1 system a maximum of 48 PCM channels is available per enclosure The maximum number of modules in a Megaplex 2104 enclosure is 4 corresponding to 24 PCM channels The nominal input and output levels are individually adjustable in a wide range enabling easy integration in all environments Support for Unidirectional and Broadcast Applications Order from Cutter Networks In addition to the normal mode of operation the VC 6 modules support the unidirectional and broadcasting modes These modes can be used in Megaplex 2100 and Megaplex 2104 units equipp
34. one units and modules which provide the required VDC power for the Megaplex modules Refer to appropriate Ringer Installation and Operation Manual for details Module Installation Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com VC 6 Installation and Operation Manual Chapter 2 Module Installation and Setup Since an external voltage source can supply voltage even when the Megaplex is Caution not operating observe the following precautions Always turn off the external 48 VDC source e g Ringer 2000 before the Megaplex enclosure is turned off Never connect external 48 VDC voltages to modules installed in a Megaplex enclosure if it is not operating Do not connect disconnect the Ringer 2000 while it is operating 2 4 Normal Indications The module starts operating as soon as it is plugged into an operating Megaplex enclosure During normal operation the two indicators of each channel indicate the channel activity e For VC 6 E amp M channels the E and M indicators indicate the activity on the signaling leads of the corresponding channel e For VC 6 FXO channels the RING indicator lights when ringing is received from the local switch or PBX on the corresponding channel and the REM O H indicator lights when the remote subscriber is in the off hook state e For VC 6 FXS channels the REM CALL indicator lights when a call initiated by the subscriber connected to the remote side is being handled by the corres
35. ork H a PSTN H A Subscriber MEGAPLEX 2100 Figure 1 4 Typical PSTN Application for VC 6 FXO Modules Overview 1 5 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 1 Introduction VC 6 Installation and Operation Manual 1 2 Physical Description Figure 1 5 shows the panels of the VC 6 modules Table 1 2 Table 1 3 and Table 1 4 explain the functions of the components located on the module panels VC 6 E amp M DC POWER IN DC POWER IN REM CALL LOCO H REMO H RING Connector Indicator Indicator Indicator Indicator Optional CHM CHE Indicators Indicators Voice Channel Connector Voice Channels Connector VC 6 E amp M VC 6 FXS VC 6 FXO Figure 1 5 VC 6 Module Panels Table 1 2 VC 6 E amp M Panel Components Item Description DC POWER IN Connector 3 pin connector for external 48 VDC signaling voltage optional Connector pin assignments are given in Appendix A M Indicator per channel E Indicator per channel TELCO Connector Item REM CALL Indicator per channel LOC O H Indicator per channel Channel Connector per channel 1 6 Physical Description Order from Cutter Networks On when the M line of the corresponding channel is off hook channel in use On when the E line of the corresponding channel is off hook channel in use 50 pin TELCO connector for connection of voice channels Connector pin assignments are given in Appendix A
36. ormation generated by VC 6 modules can be selected by the user in accordance with the application requirements The signaling information of each channel is carried by means of up to four bits signaling bits designated by the applicable standards as bits A B C and D The number of bits actually available for carrying signaling information and the data rate at which signaling information can be transferred depend on the main link type E1 or T1 and the framing mode being used Refer to the System Installation and Operation Manual for the additional information The format of the signaling information is defined by specifying a profile The profile defines the information carried by each signaling bit transmitted by the module channel and the signaling bit read by the receive path normally the bits at both ends of a link are used in a similar way however the signaling mechanism of the VC 6 modules provides flexibility in the selection of the received bit Two profiles are currently supported e Profile 1 is intended for use when two VC 6 E amp M modules are connected in a link a typical application of this type is shown in Figure 1 1 when an FXS module is connected in a link with an FXO module a typical OPX application of this type is shown in Figure 1 2 when an E amp M module is connected in a link with an FXS or FXO module or when two VC 6 FXS modules are connected in a link a typical PLAR application of this type is shown in Fi
37. ource com Chapter 2 Module Installation and Setup 2 1 General This chapter provides installation and operation instructions for the various versions of VC 6 modules The information presented in this chapter supplements the general installation and operation instructions contained in the Megaplex 2100 System Installation and Operation Manual first disconnect all the cables from the module and then remove the module from the Megaplex enclosure Warning No internal settings adjustment maintenance and repairs may be performed by either the operator or the user such activities may be performed only by a skilled technician who is aware of the hazards involved Always observe standard safety precautions during installation operation and maintenance of this product Before performing any internal settings adjustment maintenance or repairs Nare The VC 6 modules contain components sensitive to electrostatic discharge ESD To prevent ESD damage always hold the module by its sides and do not touch the module components or connectors 2 2 Module Setup VC 6 E amp M The VC 6 E amp M module version has several internal switches that are used to select the signaling mode The signaling mode is simultaneously selected for all the channels Figure 2 1 identifies the positions of these switches Figure 2 2 shows the equivalent signaling circuits for the different signaling modes Module Setup 2 1 Order from Cutter Networks Ph
38. pment Functional Description 1 13 Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 1 Introduction The diagnostic features include VC 6 Installation and Operation Manual e Local digital loopback towards local analog side e Remote analog loopback towards remote side e 1 kHz 0 dBmO tone injection towards remote side on one channel at a time Using this function in conjunction with the loopback functions enables the user to check rapidly and efficiently the local equipment and its connection to the module channel The user can request that a loopback or the test tone injection is automatically deactivated after a user selected interval thereby reducing the management workload during system troubleshooting 1 4 Technical Specifications Number of Channels Bandwidth Requirements Voice Digitizing Analog Interface Analog Parameters Modulation Technique Companding Line Type ITU T Recommendations Nominal Level Nominal Impedance Return Loss at 300 to 3400 Hz Frequency Response ref 1020 Hz Nominal Levels software selectable 1 14 Technical Specifications Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 Six 64 kbps one timeslot per enabled channel PCM per ITU T Rec G 711 and AT amp T Pub 43801 u law or A law software selectable VC 6 E amp M 4 wire or 2 wire software selectable VC 6 FXS VC 6 FXO 2 wire 4 wire operation ITU T Re
39. ponding channel and the LOC O H indicator lights when the local subscriber is in the off hook state Normal Indications 2 5 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 2 Module Installation and Setup VC 6 Installation and Operation Manual 2 6 Normal Indications Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 3 Configuration Instructions This chapter provides information on the configuration parameters of the VC 6 modules The configuration activities required to select the desired values of these parameters are performed by means of the management system used to control the Megaplex systems e Supervision terminal or Telnet refer to the System Installation and Operation Manual or e Anetwork management system e g the RADview network management system refer to the RADview User s Manual for instructions 3 1 Configuring VC 6 Module You must configure the VC 6 module and channel parameters Additionally you must assign a main link timeslot to each connected channel Configuring Module Parameters Table 3 1 explains the general programmable VC 6 module parameters and their range of values Table 3 1 VC 6 Modules General Parameters Parameter Description WIRES NUM Specifies the interface to be used by the voice channels 4 WIRES 4 wire interface available only for the VC 6 E amp M module 2 WIRES 2 wire interface COD
40. rload protected 1 sec ON 3 sec OFF Signaling method Loop start Off hook 100Q at 100 mA feed 230Q at 25 mA feed On hook above 1 MQ 20 kQ at 20 Hz 70 VRMS Detection At least 20 VRMS 17 Hz 25 Hz No detection Maximum 5 VRMS Robbed Bit Multiframe signaling 667 samples per second with SF D4 333 samples per second with ESF Robbed Bit Frame proprietary signaling 8000 samples per second Technical Specifications 1 15 www bestdatasource com Chapter 1 Introduction VC 6 Installation and Operation Manual E1 Channel Associated Signaling per ITU T G 704 para 3 3 32 Robbed Bit Multiframe signaling for up to 31 PCM channels on E1 link proprietary for E1 500 samples per second Robbed Bit Frame proprietary signaling 8000 samples per second Diagnostics Local digital loopback e Remote analog loopback e 1 kHz O dBm0 test tone injection toward remote end one channel at a time Indicators VC 6 E amp M E lead M lead indicators per channel VC 6 FXS Remote call and local off hook indicators per channel VC 6 FXO Ring and remote off hook indicators per channel Connectors VC 6 E amp M 50 pin TELCO connector for all channels Optional 3 pin connector on module panel for external 48 VDC voltage VC 6 FXS VC 6 FXO 6 pin RJ 11 connector per channel Configuration Programmable via the system management 1 16 Technical Specifications Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatas
41. tion is applicable for both the Megaplex 2100 and Megaplex 2104 versions The complete designation is used only for information applicable to a specific version Overview 1 1 Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 1 Introduction VC 6 Installation and Operation Manual VC 6 E amp M Modules 1 2 Order from Cutter Networks The VC 6 E amp M module has user selectable 2 wire or 4 wire analog interface and E amp M signaling The interface type 2 wire or 4 wire is simultaneously selected for all the channels All the six channels are terminated in a single 50 pin TELCO connector RAD offers an adapter cable CBL VC16 terminated in six RJ 45 male connectors for direct connection of user s equipment The VC 6 E amp M module supports four types of E amp M signaling RS 464 types I II III and V British Telecom SSDC5 e RS 464 Type I signaling is supported without an external power supply e RS 464 Type II IIl and V BT SSDC5 signaling standards are supported by means of the internal 12 VDC power supply of the chassis The 12 VDC voltage is suitable for most PBX systems However for full support of the RS 464 Type II IIl and V BT SSDC5 signaling standards a 48 VDC signaling voltage is required To connect the 48 VDC the VC 6 E amp M must be ordered with an optional 3 pin connector on the module panel See Connecting the External 48 VDC Voltage in Chapter 2 for the det
42. tion of signaling mode and signaling format down to the level of the individual bits in the channel signaling information word Transfer of Signaling Information The VC 6 modules have four operating modes with respect to signaling e Channel Associated Signaling CAS transmitted in timeslot 16 compatible with ITU T Rec G 704 This mode is available on VC 6 modules installed in systems using E1 main links and therefore is generally used with A law companding in accordance with the applicable E1 standards CAS can be used only when the main link framing format is G732S e In band Robbed Bit Multiframe RBMF signaling transfer a For VC 6 modules installed in systems using T1 main links this method is compatible with ITU T Rec G 704 and AT amp T Pub 43801 and is generally used with u law companding in accordance with the applicable T1 standards n For VC 6 modules installed in systems using E1 main links a proprietary method is used which allows the transmission of signaling with minimal audio quality degradation However this method requires multiframe synchronization and therefore cannot be used when the E1 main link framing is G 732N e Proprietary Robbed Bit Frame RBF signaling applicable for both A law and u law encoding which avoids the need for multiframe synchronization This method allocates the least significant bit of each channel to its own signaling information Therefore signaling is transparentl
43. tional channels receive its messages the user can also communicate in the full duplex mode with one additional user configured for operation in the normal mode this is illustrated by the user at location C Broadcast Mode Applications The broadcast mode supported by VC 6 E amp M and VC 6 FXS modules enables a user at a central location to communicate full duplex with several users connected to remote Megaplex 2100 2104 units simplex communication while using only one main link timeslot As in the unidirectional mode any message from user A can be simultaneously heard by all the broadcast mode users but at any time only one of these users can be heard by user A The broadcast mode is supported only by the VC 6 E amp M and VC 6 FXS modules and the signaling mode used in the system must be robbed bit frame because in the robbed bit frame mode the voice channel signaling information is carried within its payload timeslot The broadcast capability is achieved by separating the handling of the receive and transmit paths in the timeslot assigned for the broadcast channels as shown by the dashed lines within the Megaplex 2100 units in Figure 1 7 Location A Location Y VC 6 VC 6 Bidirectional Mode Bidirectional Mode Location B Location X VC 6 Broadcast i Broadcast Mode g Mode b y amp amp Figure 1 7 Typical Bidirectional Application for VC 6 E amp M Modules Figure 1 7 shows a basic system configuration
44. tter Networks The test tone injection function and the loops available on the VC 6 module provide a rapid and efficient way to identify the general location of a fault at either of the two VC 6 modules connected in a link in the external equipment or in the connections to the channels If a complaint is received from one of the subscribers connected to the VC 6 channels first activate the VC 6 local test loop at the side where the complaint is received from The local subscriber must receive its own signal If the signal is not received the problem is at the local end e Check the connections to the subscriber equipment e Replace the local VC 6 module If the local subscriber receives its own signal when the local loop is activated activate test tone injection toward the complaining subscriber If the subscriber receives the test tone the problem is probably in the connections at the remote side the side that sends the tone You can check the computer path of the remote module channel by activating the remote loopback and the tone injection toward the remote subscriber and checking that the local subscriber receives the test tone If the problem is not corrected the procedure must be repeated at the other side of the link Deactivate the local loop and activate the remote loop on the remote Megaplex unit Troubleshooting Instructions 4 5 Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Chapter 4 Alarms and Diagnostics
45. www bestdatasource com Chapter 1 Introduction 1 1 Overview This manual describes the technical characteristics applications installation and operation of the VC 6 family of 6 channel voice interface modules for the Megaplex 2100 2104 Modular E1 T1 Multiplexer Systems The VC 6 modules provide six voice channels using toll quality 64 kbps PCM voice encoding in compliance with ITU T Rec G 711 and AT amp T Pub 43801 and offer flexible configuration of the signaling format The modules provide high density for example a single Megaplex 2100 enclosure can carry up to 60 PCM voice channels over two E1 links or up to 48 channels over two T1 links thereby replacing two E1 PCM channel banks and one compact Megaplex 2104 enclosure can carry 24 PCM voice channels over a T1 or E1 link Versions The VC 6 family includes three module versions which differ in interface type Table 1 1 lists the main characteristics of the VC 6 modules Table 1 1 VC 6 Module Interface Type Version Analog Interface amp Signaling Mode Channel Connector VC 6 E amp M 2 wire 4 wire E amp M signaling 50 pin TELCO connector on module panel VC 6 FXS 2 wire loop start signaling Six RJ 11 connectors on the front panel VC 6 FXO 2 wire loop start signaling Six RJ 11 connectors on the front panel Note In this manual the generic term VC 6 is used when the information is applicable to all of the module versions and the term Megaplex is used when the informa
46. x number E mail Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com Order from Cutter Networks data communications www rad com INTERNATIONAL HEADQUARTERS 24 Raoul Wallenberg Street Tel Aviv 69719 Israel Tel 972 3 6458181 Fax 972 3 6498250 972 3 6474436 Email rad rad co il U S HEADQUARTERS 900 Corporate Drive Mahwah N J 07430 Tel 201 529 1100 Toll Free 1 800 444 7234 Fax 201 529 5777 Email market radusa com Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com
47. y transferred within the timeslot carrying the encoded audio signal but because PCM encoding is effectively done with 7 bit resolution there is a slight decrease in transmission quality This proprietary method allows the transmission of 31 voice channels by a Megaplex system with E1 links even when using G 732N framing 1 10 Functional Description Order from Cutter Networks Ph 727 398 5252 Fax 727 397 9610 www bestdatasource com VC 6 Installation and Operation Manual Chapter 1 Introduction e No Signaling E amp M modules only No signaling information is transmitted and therefore it is suitable for applications which do not need end to end signaling or can use only in band signaling e g DTMF For your convenience Table 1 5 lists the signaling types supported in the various main link framing modes e OK means that the corresponding type is the type specified by the applicable standards e Warning means that the corresponding type is supported but is not in accordance with the applicable standards and therefore can only be used when Megaplex systems are located at both ends of the link In this case the system generates a warning message e Error means that the corresponding type is not supported In this case the system generates an error message Table 1 5 Signaling Types G732N SF D4 Robbed Bit Multiframe RBMF OK Robbed Bit Frame RBF Warning Signaling Formats Profiles The format of the signaling inf
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