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
2
TxD
Not used
c
c. All RS-232 signals are present in RS-422 mode. The quad/octacables
do not support RS-422 mode.
TxD
3
RxD
Not used
c
RxD
4
RTS
Not used
c
RTS
5
CTS
Not used
c
CTS
6
DSR
Not used
c
DSR
7
Signal ground
Signal ground
c
Signal ground
8
DCD
Not 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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