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 10 Channel 11 Channel 12
Channel 13 Channel 14 Channel 15
Channel 16
Channel 1 Channel 2
Channel 3 Channel 4
Channel 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 10 Channel 11 Channel 12
Channel 13 Channel 14 Channel 15
Channel 16
Channel 1 Channel 2
Channel 3 Channel 4
Channel 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
PC
Printer
Modem
PDN
2
3
1
4
5
6
7
9
8
Fax
Telephone
Terminal
Terminal
Terminal
Local Site
Remote Site
Voice/Fax
Channel 2 E&M
PBX
Trunk
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