Modem Connection To Hp 9000 With Mdp Or Hp 3000 Atp Modem Ports - HP A4500A - VMEbus Single Board Computer 744 Motherboard Manual

RS-232 Modem connection to HP 9000 with MDP or HP 3000 ATP modem ports
This cabling scheme is recommended for connecting to HP 9000 with MDP, or
HP 3000 ATP modem ports to the DTC.
25-pin male connector to DTC
1 - PGND -
2 - RD INPUT
3 - TD OUTPUT
4 - DCD INPUT
5 - GPO OUTPUT
6 - DTR OUTPUT
7 - SGND -
8 - RTS OUTPUT
9 - RI INPUT
20 - DSR INPUT
22 - CTS INPUT
Note To be used with US modem behavior only.
Existing HP cable: HP 40233A
25-pin male connector to HP host
1 - PGND
3 - TD
2 - RD
8 - RTS
20 - DSR
7 - SGND
4 - DCD
22 - CTS
6 - DTR
5 -
RS-232 connection 7
-
OUTPUT
INPUT
OUTPUT
INPUT
-
INPUT
OUTPUT
OUTPUT
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