Multitech MMH900, User Manual

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