HP 800 HP DTC Cabling and Racking Guide - Page 60

RS-232 RJ45 Direct connection to HP printer with hardware handshake

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

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