Appendix C; Cabling Diagrams - Multitech MMH900 User Manual

Appendix C

Cabling Diagrams

Channel Cables
DCE to Channel cabling (with EIA pass Thru)
PIN NO.
1
2
3
To
4
MultiMux
5
Channel
6
Connector
7
8
20
22
25
DCE to Channel cabling (without EIA pass Thru)
PIN NO.
1
2
3
To
4
MultiMux
5
Channel
6
Connector
7
8
20
22
25
DTE to Channel cabling
PIN NO.
1
2
3
To
4
MultiMux
5
Channel
6
Connector
7
8
20
22
25
Appendix C - Cabling Diagrams
PIN NO.
1 CHASSIS GROUND (AA)
2 TRANSMIT DATA (BA)
3 RECEIVE DATA (BB)
4 REQUEST TO SEND (CA)
5 CLEAR TO SEND (CB)
6 DATA SET READY (CC)
7 SIGNAL GROUND (AB)
8 CARRIER DETECT (CF)
20 DATA TERMINAL READY (CD)
22 RING INDICATOR (CE)
25
OUT OF SERVICE/BUSY
PIN NO.
1 CHASSIS GROUND (AA)
2 TRANSMIT DATA (BA)
3 RECEIVE DATA (BB)
4 REQUEST TO SEND (CA)
5 CLEAR TO SEND (CB)
6 DATA SET READY (CC)
7 SIGNAL GROUND (AB)
8
CARRIER DETECT (CF)
20 DATA TERMINAL READY (CD)
22 RING INDICATOR (CE)
25 OUT OF SERVICE/BUSY
PIN NO.
1 CHASSIS GROUND (AA)
2 TRANSMIT DATA (BA)
3
RECEIVE DATA (BB)
4 REQUEST TO SEND (CA)
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
To
DCE
Device
(Communication
Device
i.e. Modem)
To
DCE
Device
(Communication
Device
i.e. Modem)
To
DTE
Device
(Terminal
Device
i.e. ASCII
Terminal)
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