Systech Corporation RCS/5000, Hardware Manual

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Installing the Hardware 17
where portnumber is the number of the port to be changed. (For more information, see the
ignoredcd command in the Port Server Administrator’s Guide). Thus, a minimal cable as
shown in Table 2-14 below, using only RX (pin 2, data in), TX (pin 3, data out), and GND
(pin 5, ground), can be used.
DB-9 Pin
Number
DB-25 Pin
Number/Signal
1 DCD
9 RI
8 CTS
7 RTS
6 DSR
5 GND
4 DTR
3 TX
2 RX
8 DCD
22 RI
4 RTS
5 CTS
20 DTR
7 GND
6 DSR
3 RX
2 TX
Table 2-14 DB-9 to DB-25 3-wire Terminal Cable
Connecting Parallel Printers to the RCS/5000 and RCS/6000
The RCS/5000 and RCS/6000 parallel port is compatible with common PC parallel printer
ports. The same printer cables used with PCs will work with the RCS. The RCS uses a male
25-pin D type connector; your printer may use a similar connector, or it may use a
Centronics type connector. Make sure your cable matches the connector types at each end.
Table 3-3 gives the parallel port pinouts.