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RS-232 connection
7
RS-232 Modem connection to HP terminals, HP Vectra PC’s and HP printers
This cabling scheme is recommended for connecting the following devices:
Note To be used with US modem behavior only.
HP terminals: HP239xA, HP700/22/32/43/45/9x
HP Vectra: C2401A, C2402A, C1010J, C1010T,
HP Vectra interfaces: 24541B port B
HP printers: HP2227A, 28A, 76A, HP256x, HP293x, HP2684A/P,
86A/D, HP33440A/F, 47A/F, 49A, 59A, 41063A,
C1200A, C1202A
Existing HP cable: HP 40234A
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 device
1 - PGND -
2 - TD OUTPUT
3 - RD INPUT
4 - RTS OUTPUT
5 - CTS INPUT
6 - DSR INPUT
7 - SGND -
8 - DCD INPUT
20 - DTR OUTPUT