
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 
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.
Terminal
Terminal  | Printer  | Asynchronous  | 
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  | Asynchronous  | 
Channel  | 
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  | PDN  | 
  | Channel  | 
  | Modem  | 
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  | MultiTech  | 
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  | MultiMux 16  | 
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  | MultiTech  | Composite Link  | 
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  | MultiMux 16  | 
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Terminal  | 
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  | Multiplexer | 
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  | Multiplexer | 
  | Minicomputer  | |
  | PC  | 
  | Voice/Fax  | ||
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Voice/Fax  | Voice/Fax Channel 2 FXS  | Channel 1 E&M  | Voice/Fax  | ||
Channel 1  | 
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  | Channel 2 E&M  | |
FXS  | 
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PSTN
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Telephone Fax
Remote Site
(Node 2)
Trunk
Trunk
Trunk
Station
Station
PBX
Telephone
Local Site
(Node 1)
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  |