Rj45 Direct Connection To Hp Printer With Hardware Handshake - HP A4500A - VMEbus Single Board Computer 744 Motherboard Manual

7 RS-232 connection
RS-232 RJ45 Direct connection to HP printer with hardware handshake
RJ 45 male connector to DTC
1 - RD INPUT
3 - TD OUTPUT
4 - CTS INPUT
5 - RTS OUTPUT
6 - SGND -
Note
54
This cabling scheme is recommended for connecting to the following devices when
a hardware handshake is necessary:
HP Laserjet: HP 2684A/P, 86A/D,HP33440A/F,47A/F,49A,59A,
41063A,C1200A,C1202A
HP Ruggedwriter: HP 2235
RJ45 male
connector
1
3
4
5
6
RJ45
extension
cable
HP Laser printers provide hardware flow control of host ports using DTR on pin 20.
The HP DTC family provide hardware flow control of devices using RTS/CTS on
pins 8 and 22.
RJ45 female
connector 25-pin male connector to printer
2 - TD
1
3 - RD
3
20 - DTR
4
1 - PGND
5
7 - SGND
6
4 - RTS
RJ45 to DB25
adaptor
OUTPUT
INPUT
OUTPUT
-
-
OUTPUT