Multi-Tech Systems MMV1600

2.8

Configuration 7

Configuration 7 is the data/voice/fax configuration with two MultiMux MMV1608C/56/V multiplexers with single composite

link connecting a minicomputer and a PBX E&M trunk at the local site to a group of remote terminals and printer on the

data part of the network and a telephone and/or fax machine on the remote voice/fax channels. The E&M to FXS

configuration is shown in Figure 2-7. In this configuration the data communications is set up per configuration 1.

This configuration has the MV2 Voice/Fax board installed in the MMV1608/56/V multiplexers for the voice over data

communications. The local site has the MV2 Voice/Fax board connecting VOICE/FAX CHANNEL 1and/or 2 E&M

connector(s) on the back panel of the local multiplexer to a PBX E&M trunk. At the remote site the MV2 Voice/Fax

board is connecting VOICE/FAX CHANNEL 1 and/or 2 FXS connector(s) on the back panel of the remote multiplexer to

a telephone and/or a fax machine on the second channel.

Voice/Fax

Channel 1

FXS

Multiplexer

Minicomputer

Asynchronous

Channel

Asynchronous

Channel

Multiplexer

Channel 9 Channel 10Channel 11 Channel 12 Channel 13 Channel 14 Channel 15 Channel 16

Channel 1 Channel 2 Channel 3 Channel 4Channel 5 Channel 6 Channel 7 Channel 8

Composite Link A Composite Link B

Command Modem

Voice/Fax Channel 1 Voice/Fax Channel 2

MultiMux 16

Data/Voice/Fax

Statistical Multiplexer

Systems

MultiTech

Channel 9 Channel 10Channel 11 Channel 12 Channel 13 Channel 14 Channel 15 Channel 16

Channel 1 Channel 2 Channel 3 Channel 4Channel 5 Channel 6 Channel 7 Channel 8

Composite Link A Composite Link B

Command Modem

Voice/Fax Channel 1 Voice/Fax Channel 2

MultiMux 16

Data/Voice/Fax

Statistical Multiplexer

Systems

MultiTech

Composite Link

Printer

Modem

PDN

Fax

Telephone

Terminal

Local Site

Remote Site

Voice/Fax

Channel 2 E&M

PBX

Trunk

Station

Trunk

Station

PSTN

Voice/Fax Channel 2 FXS Voice/Fax

Channel 1 E&M

Telephone

(Node 1)

(Node 2)

Figure 2-7. Configuration 7 (E&M I-V to FXS)

The local site is configured for an E&M configuration on both voice/fax channels using the V1LIE&M2D4 command for

channel 1 and V2LIE&M2D4) command for channel 2 and setting the Remote Interface type for an FXS configuration

using the V1RIFXS and or V2RIFXS commands depending on whether one or both of the remote voice/fax channels

are used. The parameters for the local and remote voice/fax channels can be displayed using the VL (List the voice/

fax channel parameters) command. The voice/fax channel parameters are shown in Configuration 7 Voice/Fax

Channel Parameters. The voice/fax channel parameters are described in Chapter 5 Commands of this manual.

LOCAL VOICE/FAX PARAMETERS CHANNEL1 LOCAL VOICE/FAX PARAMTERS CHANNEL 2

PARAMETER STATUS PARAMETER STATUS

DESTINATION CHANNEL: 01 DESTINATION CHANNEL: 02

DESTINATION NODE: 02 DESTINATION NODE: 02

LINK A/B/D: A LINK A/B/D: A

DIGITIZING RATE: 16000 DIGITIZING RATE: 16000

OUTPUT LEVEL ATTEN.: 14 OUTPUT LEVEL ATTEN.: 14

INPUT LEVEL GAIN: 05 INPUT LEVEL GAIN: 05

SILENCE SUPPRESSION: 00 SILENCE SUPPRESSION: 00

LOCAL INTERFACE TYPE: E&M 2 LOCAL INTERFACE TYPE: E&M 2

GROUND/LOOP START (FXS): N/A GROUND/LOOP START (FXS): N/A

2 OR 4 WIRE (E&M): 4 WIRE 2 OR 4 WIRE (E&M): 4 WIRE

DIALTONE/WINK (E&M): DIAL DIALTONE/WINK (E&M): DIAL

WINK TIMER (E&M) N/A WINK TIMER (E&M) N/A

REMOTE INTERFACE TYPE: FXS REMOTE INTERFACE TYPE: FXS

GROUND/LOOP START (FXS): LOOP GROUND/LOOP START (FXS): LOOP

2 OR 4 WIRE (E&M): 2 WIRE 2 OR 4 WIRE (E&M): 2 WIRE

DIALTONE/WINK (E&M): N/A DIALTONE/WINK (E&M): N/A