Multi-Tech Systems MMV1600 owner manual Configuration 4 FXO to FXS

2.5 Configuration 4

Configuration 4 is the data/voice/fax configuration with two MultiMux MMV1608C/56/V multiplexers with single composite link connecting a minicomputer and the station side of a PBX at the local site to a group of remote terminals and printer on the data part of the network and a telephone and fax machine on the remote voice/fax channels. This FXO to FXS configuration allows the remote site to communicate over the composite link to the local site and be able to use the local PBX facilities as if he/she were at the local site. The FXO to FXS configuration is shown in Figure 2-4. 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 VOICE/FAX CHANNEL 1 and 2 FXO connectors on the back panel of the local multiplexer connected to a station card in the PBX. At the remote site, the two VOICE/FAX CHANNEL 1 and 2 FXS connectors on the back panel of the remote multiplexer are connected to a telephone and fax machine.

Terminal

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

(Node 1)

Figure 2-4. Configuration 4 (FXO to FXS)

The local site is configured for an FXO configuration on both voice/fax channels using the V1LIFXO and V2LIFXO commands and setting the Remote Interface type for an FXS configuration using the V1RIFXS and V2RIFXS commands. The parameters for the local voice/fax channels can be displayed using the VL (List the voice/fax channel parameters) command. The voice/fax channel parameters for the local site are shown in the Configuration 4 Local Site 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.:	02	OUTPUT LEVEL ATTEN.:	02
INPUT LEVEL GAIN:	05	INPUT LEVEL GAIN:	05
SILENCE SUPPRESSION:	00	SILENCE SUPPRESSION:	00
LOCAL INTERFACE TYPE:	FXO	LOCAL INTERFACE TYPE:	FXO
GROUND/LOOP START (FXS):	N/A	GROUND/LOOP START (FXS):	N/A
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
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

Configuration 4 Local Site Voice/Fax Channel Parameters

The remote site is configured for an FXS configuration on both voice/fax channels using the V1LIFXS and V2LIFXS commands and setting the Remote Interface type for an FXO configuration using the V1RIFXO and V1RIFXO