Modem Connection To Hp 2334/5 Modem Ports - HP A4500A - VMEbus Single Board Computer 744 Motherboard Manual

7 RS-232 connection
RS-232 Modem connection to HP 2334/5 modem ports
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
20 - DSR INPUT
22 - CTS INPUT
60
This cabling scheme is recommended for connecting HP 2334/5 modem ports to a
DTC.
Recommended HP cable:
To be used with US modem behavior only. DTC pin 5 (GPO) is a loopback of pin 4
(DCD).
HP 40220 to HP2334/5 for printer access (depends
upon termtype used HP3000 and upon type of
printer).
25-pin male connector to HP 2334/5
1 - PGND
3 - TD
2 - RD
8 - DCD
20 - DTR
6 - DRS
7 - SGND
4 - RTS
5 - CTS
-
OUTPUT
INPUT
OUTPUT
INPUT
OUTPUT
-
INPUT
OUTPUT