Multi-Tech Systems MMV1600 Specifications Async Data Channels, System Control, Composite Link

1.8 Specifications

1.8.1

Async Data Channels

Number of Channels	Up to sixteen (#MMV16XXC), or
	up to thirty-two (#MMV32XXC)
Maximum Speed	19,200 bps
All Channels
Channel Speeds	All standard speeds from 300 bps to 19.2K bps
Data Format	Asynchronous: 5, 6, 7, or 8 data bits, with 1,1.5, or 2 stop bits
Parity	Odd, even, or none
Local Echo	On or off selectable for each channel
Flow Control	Xon/Xoff, CTS on/off, or HP ENQ/ACK selectable for each channel
Pacing	On or off selectable for each channel, DTR on/off, or Xon/Xoff
Interface	RS232C/CCITT V.24; 25-pin female D connectors

1.8.2

System Control

Local Access	Through MultiMux’s RS232C “Command Port”
Remote Access	Through MultiMux’s internal dial-up CCITT V.22bis/V.22, Bell 212A/103 (2400/1200/300
	bps) command modem Device
	Any asynchronous keyboard terminal, PC in terminal mode (local access), or any standard
	dial-up 2400/1200/300bps V.22bis/V.22, 212A/103 modem (remote access)
Command Functions	Menu-driven/help screen approach. Commands to select channel speeds, flow
	control methods, listing of parameters, help screens, storing of configurations, downline
	loading, status reporting, echo controls, resets, pacing, parity, stop bits, response time
	priorities, test modes, modem configurations, and other parameters.
Diagnostics	Memory tests, Local and Remote Digital Loop tests, Switch test, LED test, Non-Volatile RAM
	test, Watchdog Timer, and Voice/fax Channel Loopback test.

1.8.3 Composite Link

Number of Links	Two (Links A and B)
Data Format	Synchronous
Link Speeds	Up to 256K bps
Link Protocol	Proprietary modified HDLC
Error Correction	16-bit CRC block check with ARQ
Interface	RS232C/CCITT V.35/V.24, or use MultiMux integral DSU
1.8.4
Internal DSU:

DescriptionIntegral card DSU, synchronous and full duplex over DDS network, 4-wire non-loaded metallic wire pairs or LADS (Local Area Data Set) at transmission speeds of 2400,4800, 9600,

19,200 or 56,000 bps

Line InterfaceDDS interface with a RJ48S 8-position keyed jack

1.8.5

Sync Data Channel

Number of Channels	One (Port B)
Data Format	Synchronous
Channel Speed	Up to 128K bps
Channel Protocol Any Synchronous HDLC
Interface	RS232C/CCITT V.35/V.24; 25-pin male D connector