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RS-423 Connection
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RS-423 DB25 Direct connection to RS-423/RS-422 HP 9000 with a DDP DB25
This cabling scheme is recommended for connecting to HP 9000 RS-422 or RS-423
ports.
RS-423 RJ45 connection to RS-423/RS-422 HP terminals, HP Vectra PC’s (DB25
connector) and HP printers
This cabling scheme is recommended for connecting the following devices:
25-pin male connector to DTC
1 - PGND -
8 - RTS OUTPUT
22 - CTS INPUT
15 - TXb OUTPUT
17 - TXa OUTPUT
19 - RXb INPUT
25 - RXa INPUT
25-pin male connector to
HP 9000 mux
1 - DDP PGND -
19 - RX+ INPUT
25 - RX- INPUT
15 - TX+ OUTPUT
17 - TX- OUTPUT
HP terminals: HP2392A, HP700/92, HP700/60
HP Vectra interface: 24541B port B
HP printers: HP2684A/P, 86A/D, HP33440A/F, 47A/F, 49A, 59A,
41063A, C1200A, C1202A
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