HP A4500A - VMEbus Single Board Computer 744 Motherboard User Manual

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

HP A4500A - VMEbus Single Board Computer 744 Motherboard Specifications

General

Brand	HP
Model	A4500A - VMEbus Single Board Computer 744 Motherboard
Category	Server
Language	English