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Intraplex VF-25 Voice Module

Appendix A – MAs for VF-25 Voice Module

Version 7.1, November 2009

A-14

GatesAir, Inc.

Intraplex Products

A.1.5.4 Attenuation Control

Figure A-9 shows the jumper settings available to control output attenuation. The top of the figure
shows Pin A. The default setting is 0dBm in and 0dBm out. Table A-16 shows the attenuation for
nominal output level of 0dBm. Interface Type diagrams appear in other sections of this manual.

Figure A-9. MA-309C Jumper Settings for Attenuation Control

Table A-16. Selectable Attenuation Control for Nominal Input Level of 0dBm

Jumper/Position

MA-309C Output

Channel

JMP 5/Position 1-2

-10dBm attenuation

1

JMP 5/Position 3-2

-3dBm attenuation

JMP 5/Position open

0dBm attenuation

JMP 6/Position 1-2

-10dBm attenuation

2

JMP 6/Position 3-2

-3dBm attenuation

JMP 6/Position open

0dBm attenuation

JMP 7/Position 1-2

-10dBm attenuation

3

JMP 7/Position 3-2

-3dBm attenuation

JMP 7/Position open

0dBm attenuation

JMP 8/Position 1-2

-10dBm attenuation

4

JMP 8/Position 3-2

-3dBm attenuation

JMP 8/Position open

0dBm attenuation

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Summary of Contents for Intraplex VF-25

Page 1: ...Intraplex VF 25 Four Port PCM E M Voice Module VF 25 Voice Frequency Module MA 305C MA 306C MA 308C MA 309C MA 310 Module Adapters Version 7 1 Installation and Operation Manual...

Page 2: ......

Page 3: ...anges in equipment design specifications components or documentation as progress may warrant to improve the performance of the product GatesAir reserves the right without notice to make such changes i...

Page 4: ...ection Pages Editor 7 3 31 09 Put manual into new format Updated appendix for new module adapters dividing appendix into current and discontinued MAs All All LD 7 1 11 03 09 Changed EB Lead to SG Lead...

Page 5: ...1 4 1 Local versus Remote Loopback 4 1 4 2 VF 25 Loopback Setup Procedure 4 1 Section 5 Specifications 5 1 5 1 Detailed Specifications 5 1 5 2 Notice of FCC Compliance 5 2 Appendix A Module Adapters f...

Page 6: ...ntrol A 14 Figure A 10 MA 310 Jumpers and Face Plate A 16 Figure A 11 MA 310 Jumper Settings for Signaling Type Selection A 17 Figure A 12 MA 310 Pin Assignments A 18 Figure A 13 MA 310 Jumper Setting...

Page 7: ...Level of 0dBm A 18 Table A 20 Selectable Attenuation Control for Nominal Input Levels of 16 0 dBm A 18 Table A 21 MA 310 Pin Assignments A 19 Table A 22 Selectable Attenuation Control for Nominal Inpu...

Page 8: ...Module Table of Contents Version 7 1 November 2009 iv GatesAir Inc Intraplex Products Table A 45 Selectable Attenuation Control for Nominal Input Levels of 16 dBm 0 dBm A 38 Table A 46 MA 309 Technica...

Page 9: ...ll duplex two wire or four wire E M with PCM coding allowing four voice channels to be carried in four 64 kbps time slots on T1 and other digital communications facilities Each VF 25 module provides h...

Page 10: ......

Page 11: ...No header here 1 2 GatesAir Inc Intraplex Products This page is left blank intentionally...

Page 12: ......

Page 13: ...oding The M Lead Detector responds to an IDLE or BUSY signal from the external device For Types I II and III signaling a level of 48 volts at the M Lead equals BUSY ground equals IDLE For Type V signa...

Page 14: ...S TERM TS1 TS0 SIG OFF REMOTE SERVICE 1 2 3 4 5 6 1 2 3 4 5 6 AUX LOCAL LOOPBACK SELECT TIME SLOT Channel 1 Chan 2 Chan 3 Chan 4 M Lead Detect M Input SB E Lead Driver E Output SG Select Type I II III...

Page 15: ...also operate in Transmission Only mode with signaling turned off When operated in the Transmission Only mode signaling is disabled in all active channels Settings on the module adapter Appendix A sel...

Page 16: ...rop insert multiplexer Site 2 the TERM switch setting must be DOWN to transmit or receive through the DI A port toward Site 1 and UP to transmit or receive through the DI B port toward Site 3 Site 2 D...

Page 17: ...E N AUX TIME SLOT SELECT 1 2 3 4 5 6 O P E N S2 S1 TERM TS1 TS0 SIG OFF REMOTE SRVC MSB LSB JMP1 0dBm JMP2 0dBm JMP3 0dBm JMP4 0dBm JMP5 0dBm JMP6 0dBm IMPORTANT All modules must be inserted so that t...

Page 18: ...rol Set module for remote control SW2 6 OFF UP DOWN NORMAL Module is in service Take the module out of service SW3 1 6 SCB ADDRESS Table 2 5 Set the remote access address for the module Table 2 2 Acti...

Page 19: ...ecting starting time slot 3 means this module would use time slots 3 4 5 and 6 Accordingly starting time slots 22 23 or 24 may be used only when fewer than four channels are active U UP D DOWN 2 8 Rem...

Page 20: ...when used in the parameter field of a SET command allow you to set parameters on the module by remote control just like setting the switches on a module under local control There are ten P codes for...

Page 21: ...00 0 1 Normal signaling active Signaling off Transmit Only mode B00000000 ACTIVE CHANNELS 00 01 10 11 Four channels active Three channels active Two channels active One channel active P2 B00000000 TER...

Page 22: ...CH 4 TX LEVEL 0 255 Adjusts the input level for Channel 4 P10 B00000000 CH 4 RX LEVEL 0 255 Adjusts the output level for Channel 4 These values are the only legal ones for setting the parameters Sett...

Page 23: ...effect of changing the P code setting Note that on the transmit input increasing the gain means that a lower input signal level can be accommodated while on the receive output increasing the gain mea...

Page 24: ...39 2 5 dB 165 3 5 dB 83 11 0 dB 35 2 0 dB 156 4 0 dB 78 12 0 dB 31 1 5 dB 147 4 5 dB 74 13 0 dB 28 1 0 dB 139 5 0 dB 70 14 0 dB 25 0 5 dB 131 5 5 dB 66 15 0 dB 22 The factory P Code setting is 124 2 8...

Page 25: ...0 1 M Lead for Channel 3 is idle M Lead for Channel 3 is busy B00000000 0 1 M Lead for Channel 4 is idle M Lead for Channel 4 is busy B00000000 0 1 E Lead for Channel 1 is idle Signaling is turned on...

Page 26: ......

Page 27: ...No header here 2 14 GatesAir Inc Intraplex Products This page is left blank intentionally...

Page 28: ......

Page 29: ...g time slot using the TIME SLOT SELECT switches SW1 positions 1 5 Table 2 4 Warning This module requires one time slot for each active channel Do not select a starting time slot that would attempt to...

Page 30: ...IG Query Response Meaning OK Valid command received CHANNEL CARD 4 TYPE 103 VF 25 module is in physical slot 4 UNDER REMOTE CONTROL Remote control is on SRVC OFF Service is off P01 12 B00001100 Four c...

Page 31: ...our channels Location 1 Location 2 VF Port 2 VF Port 3 VF Port 4 PCM Coder Decoder VF Port 1 VF Port 2 VF Port 3 VF Port 4 PCM Coder Decoder Remote Loopback each channel separately Figure 4 1 VF 25 Lo...

Page 32: ...s If there is an apparent malfunction first check that the configuration is appropriate for the transmission system in use If you are doing end to end testing check that the transmit and receive confi...

Page 33: ...table in 0 5 dB steps 16 0 dBm to 3 0 dBm 10 0 dBm to 10 0 dBm Impedance Balanced 600 ohms input and output Idle Channel Noise Less than 23 dBrnC0 Signal to Noise 1004 Hz input 0 to 30 dBm Less than 3...

Page 34: ...Rules These limits are designed to provide reasonable protection against harmful interference when this equipment is operated in a commercial environment This equipment generates uses and can radiate...

Page 35: ...1 Module Adapters for VF 25 Module Current Discontinued MA 305 MA 305B MA 305C MA 306 MA 306C MA 308 MA 308C MA 308B MA 309C MA 309 MA 310 A 1 Current Module Adapters A 1 1 MA 305 Four wire 50 pin Con...

Page 36: ...ps 1 At the rear of the chassis insert the adapter into the same slot position in which the VF 25 module has been installed 2 Once it is seated securely secure the unit with screws provided 3 Plug the...

Page 37: ...Pin Assignment Ch 1 Ch 2 Ch 3 Ch 4 Input Ring 1 5 9 13 Input Tip 26 30 34 38 Output Ring 2 6 10 14 Output Tip 27 31 35 39 E Lead 28 32 36 40 M Lead 29 33 37 41 Signal Ground 3 7 11 15 Signal Battery 4...

Page 38: ...as been installed 2 Once it is seated securely secure the unit with screws provided 3 Plug the connector into the adapter A 1 3 MA 306C Four Wire RJ 45 Connector The MA 306C module adapter provides sp...

Page 39: ...MA 306C Channel 1 Jumper Settings Table A 5 MA 306C Channel 2 Jumper Settings Jumper JP3 Jumper JP7 Type II Type V Type I III and V Type I II and III Table A 6 MA 306C Channel 3 Jumper Settings Jumpe...

Page 40: ...traffic on the other three With eight leads available Types I II III and V E M signaling is supported A 1 3 3 Modular Connector Wiring Figure A 4 and Table A 8 show how to wire the modular connectors...

Page 41: ...he chassis insert the adapter into the same slot position in which the VF 25 module has been installed 2 Once it is seated securely secure the unit with screws provided 3 Plug the connector into the a...

Page 42: ...th The MA 308C module adapter is designed to meet the needs for interface signal monitoring and additional attenuation Figure A 6 defines the pin assignments for the eight connectors A 1 4 1 Jumper Se...

Page 43: ...ther three A 1 4 3 Monitor Connectors The MA 308C module adapter provides four RJ 45 monitor jacks on the left for monitoring the input and output VF and signaling levels for each of the four channels...

Page 44: ...2 shows the MA 308C switch settings You can use the level settings of the associated VF module to make additional level adjustments Table A 12 MA 308C Attenuator Switch Settings Channels 1 4 Transmit...

Page 45: ...per channel as E M signaling of type I II III and V The MA 309C connects to the T R E and M signaling leads using a 50 pin Amphenol 57 30500 or equivalent type connector The MA 309C module adapter is...

Page 46: ...dapter Figure A 8 shows the jumpers and the settings that manage E M signaling The remaining four jumpers JMP5 JMP6 JMP7 and JMP8 control the output level for channels 1 through 4 Jumper 5 JMP5 contro...

Page 47: ...tings Resultant Outputs 0 dBm 3 dBm 10dBm 16 dBm in 7 dB 7 dBm out 4 dBm out 3 dBm out 16 dBm in 0 dB 0 dBm out 3 dBm out 10 dBm out 0 dBm in 7 dB 7 dBm out 4 dBm out 3 dBm out 0 dBm in 0 dB 0 dBm out...

Page 48: ...this manual Figure A 9 MA 309C Jumper Settings for Attenuation Control Table A 16 Selectable Attenuation Control for Nominal Input Level of 0dBm Jumper Position MA 309C Output Channel JMP 5 Position 1...

Page 49: ...els of 16 0 dBm Input to VF 25 VF 25 Settings MA 309C Jumper Settings Resultant Outputs 0 dBm 3 dBm 10dBm 16 dBm in 7 dB 7 dBm out 4 dBm out 3 dBm out 16 dBm in 0 dB 0 dBm out 3 dBm out 10 dBm out 0 d...

Page 50: ...provided 3 Plug the connector into the adapter A 1 6 MA 310 Two Wire RJ 45 Connector The MA 310 2 wire E M interface module adapter provides 2 wire to 4 wire conversion for Intraplex Products voice fr...

Page 51: ...type of signaling for channel 2 JMP3 and 11 control channel 3 JMP4 and JMP12 control channel 4 Type I is the factory default signaling type installed on the MA 310 module adapter Figure A 11 shows th...

Page 52: ...ition open 0dBm attenuation JMP 8 Position 1 2 10dBm attenuation 4 JMP 8 Position 3 2 3dBm attenuation JMP 8 Position open 0dBm attenuation Table A 20 Selectable Attenuation Control for Nominal Input...

Page 53: ...Pair 4 Pin 7 M Pin 8 SB A 1 6 3 E M Signaling Type I II III or V interface is selectable by jumper setting per channel Figure A 11 shows the jumper settings that control signaling type selection The t...

Page 54: ...Bm attenuation JMP 8 Position open 0dBm attenuation A 1 6 5 Additional MA 310 Input Output Options In the situation where the VF 25 module and MA 310 module adapter are used for transport of 2 Wire Au...

Page 55: ...Hz 2 wire receive circuit 304Hz 1004Hz 3004Hz 3204Hz 3404Hz 5 25dB 5 25dB 5 25dB 75 25dB 1 5 25dB 2 wire transmit circuit 304Hz 1004Hz 3004Hz 3204Hz 3404Hz 5 25dB 5 25dB 5 25dB 75 25dB 1 5 25dB A 1 6...

Page 56: ...o select the signaling type JMP5 is not used on the MA 305B Figure A 14 shows how to hold the adapter and set the jumpers For Jumpers JMP6 7 8 and 9 For Jumper JMP1 2 3 and 4 Type V only Type I II or...

Page 57: ...onnector The MA 306 module adapter provides specially modified RJ 45 modular connectors for use with 4 wire E M Voice Frequency Modules in any Intraplex multiplexer This adapter provides modular conne...

Page 58: ...6 MA 306 Channel 1 Jumper Settings Table A 27 MA 306 Channel 2 Jumper Settings Jumper JP3 Jumper JP7 Type II Type V Type I III and V Type I II and III Table A 28 MA 306 Channel 3 Jumper Settings Jumpe...

Page 59: ...ic on the other three With eight leads available Type I II III and V E M signaling is supported A 2 2 3 Modular Connector Wiring Figure A 16 and Table A 30 show how to wire the modular connectors The...

Page 60: ...oring jacks Tandem application attenuators The MA 308 module adapter is designed to use with 4 wire E M Voice Frequency Modules in any Intraplex Products multiplexer It provides eight connectors for s...

Page 61: ...annel connector without disturbing traffic on the other three A 2 3 3 Monitor Connectors The MA 308 module adapter provides four RJ 45 monitor jacks on the left for monitoring the input and output VF...

Page 62: ...Pin 5 T Pair 2 Pin 6 SG Pair 4 Pin 7 M Pin 8 SB A 2 3 5 Attenuation For interoperability with legacy equipment you can select additional attenuation of 23 dB to any Tx or Rx circuit with the MA 308 mo...

Page 63: ...ation To install the MA 308 module adapter perform these steps 1 At the rear of the chassis insert the adapter into the same slot position in which the VF 25 module has been installed 2 Once it is sea...

Page 64: ...the four circuits and is two module slots in width The MA 308B module adapter is designed to meet the needs for interface signal monitoring and additional attenuation A 2 4 1 Jumper Settings Jumpers J...

Page 65: ...l 1 Alternate Jumper Settings Jumper JP2 Jumper JP6 Type II Type V Type I III and V Type I II and III Table A 36 MA 308B Channel 2 Alternate Jumper Settings Jumper JP3 Jumper JP7 Type II Type V Type I...

Page 66: ...ithout disturbing traffic on the other three A 2 4 3 Monitor Connectors The MA 308B module adapter provides four RJ 45 monitor jacks on the left for monitoring the input and output VF and signaling le...

Page 67: ...ional attenuation is added when the selector is in the OUT position Table A 40 shows the switch settings for the MA 308B module adapter You can use the level settings of the associated VF module to ma...

Page 68: ...nd M signaling leads using a 50 pin Amphenol 57 30500 or equivalent type connector The MA 309 module adapter is used in conjunction with the VF 25 VF 25E for PCM coding VF 27 and the VF 27E for ADPCM...

Page 69: ...ngs that manage E M signaling Figure A 22 MA 309 Jumper Settings for Signaling Type Selection The remaining four jumpers JMP5 JMP6 JMP7 and JMP8 control the output level for channels 1 through 4 Jumpe...

Page 70: ...ettings Resultant Outputs 0 dBm 3 dBm 10dBm 16 dBm in 7 dB 7 dBm out 4 dBm out 3 dBm out 16 dBm in 0 dB 0 dBm out 3 dBm out 10 dBm out 0 dBm in 7 dB 7 dBm out 4 dBm out 3 dBm out 0 dBm in 0 dB 0 dBm o...

Page 71: ...rol Figure A 23 shows the jumper settings available to control output attenuation Pin A is shown at the top in this table The default setting is 0dBm in and 0dBm out Table A 44 shows the attenuation f...

Page 72: ...5 5 Additional MA 309 Input Output Options In the situation where the VF 25 module and MA 309 module adapter are used for transport of 2 Wire Audio with E M signaling on the output side of the circui...

Page 73: ...h minimum SRL Low minimum ERL minimum 20 dB 20 dB 28 dB 4Wire RX level terminated from 2Wire 28 5dB Freq response 0 dB referenced to 1004Hz 2 wire receive circuit 304Hz 1004Hz 3004Hz 3204Hz 3404Hz 5 2...

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