Multitech MMH900 User Manual page 121

Command Port Cables
DCE to DTE cabling
PIN NO.
1
2
3
To
4
MultiMux
5
Command
6
Port
7
Connector
8
20
22
25
DCE to DCE cabling
PIN NO.
1
2
3
To
4
MultiMux
5
Command
6
Port
7
Connector
8
20
22
25
Appendix C - Cabling Diagrams
PIN NO.
1 CHASSIS GROUND (AA)
2 TRANSMIT DATA (BA)
3 RECEIVE DATA (BB)
4
5
CLEAR TO SEND (CB)
6 DATA SET READY (CC)
7 SIGNAL GROUND (AB)
8 CARRIER DETECT (CF)
20 DATA TERMINAL READY (CD)
22
25
PIN NO.
1 CHASSIS GROUND (AA)
2 TRANSMIT DATA (BA)
3
RECEIVE DATA (BB)
4
5
6 DATA SET READY (CC)
7 SIGNAL GROUND (AB)
8
20
DATA TERMINAL READY (CD)
22
25
To
DTE
Device
(Terminal
Device
i.e. ASCII
Terminal)
To
DCE
Device
(Communication
Device
i.e. Modem)
121