Comtrol DB25 - Page 14

Building Cables for RocketPort Products [Documentation number: 2000430 Rev B] 13
DB25 Pinouts
This table shows connector information for DB25 connectors.
Interface Modules
a
a. The following RocketPort models support interface modules: Rocket-
Port PCI, Rocket, Port Universal PCI and RocketPort Plus Univer-
sal PCI.
Quad/Octacable
b
b. The following RocketPort models support quad/octacable: Rocket-
Port PCI, RocketPort ISA, RocketPort Universal PCI and Rocket-
Port Plus Universal PCI.
Pin RS-232 Signal RS-422 Signal RS-232 Signal
1 Not used Not used Not used
2TxDNot used
c
c. All RS-232 signals are present in RS-422 mode. The quad/octacables
do not support RS-422 mode.
TxD
3RxDNot used
c
RxD
4RTSNot used
c
RTS
5CTSNot used
c
CTS
6DSRNot used
c
DSR
7 Signal ground Signal ground
c
Signal ground
8DCDNot used
c
DCD
9 to 14 Not used Not used Not used
15 Not used RxD+ Not used
16 Not used Not used Not used
17 Not used RxD- Not used
18 Not used Not used Not used
19 Not used TxD+ Not used
20 DTR Not used
c
DTR
21 Not used Not used Not used
22 Not used Not used RI
d
/Not Used
e
d. RI is only supported on quad/octacable adapters for RocketPort Uni-
versal PCI and RocketPort Plus Universal PCI.
e. This pin is not used by RocketPort PCI and RocketPort ISA.
23-24 Not used Not used Not used
25 Not used TxD- Not used
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