Comtrol Cable - Manual (Page 12)

12 [Documentation number: 2000430 Rev B] Building Cables for RocketPort Products
DB9 Straight-Through Cables
DB9 Straight-
Through Cables Straight-through cables connect modems to other DCE devices. For example, you
can connect one end of a straight-through cable to COM2 on one computer and the
other end of a straight-through cable to a modem. All RocketPort models support
DB9 straight-through cables.
RS-232 Straight-
Through Cable The following image displays the pinouts for an RS-232 straight-through cable.
Note: Ring Indicator (RI) is only supported on Quad/Octacable cards for
RocketPort Universal PCI and RocketPort Plus Universal PCI.
DB25 Serial Cables and Loopback Plugs
This section describes DB25 cables and loopback plugs.
Requirements • Refer to the manufacturer’s installation guide if you need help with connector
pinouts or cables for the peripheral device.
DB25 Pinouts This topic describes pinouts for the DB25 interface connectors. The following
RocketPort models support DB25 connectors:
• RocketPort PCI
• RocketPort ISA
• RocketPort Universal PCI
• RocketPort Plus Universal PCI
Standard interface modules use
female DB25 connectors, while the
Surge interface module, Quadcable,
and Octacable fanouts use male
connectors.
Ro
cketP
o
r
t
DB9
1
2
3
4
5
8
6
7
Pins
DCD
RxD
TxD
DTR
GND
CTS
DSR
RTS
Signal
DB9
1
2
3
4
5
8
6
7
Pins
DCD
RxD
TxD
DTR
GND
CTS
DSR
RTS
Signal
RI 9 9 RI
DB25
8
3
2
20
7
5
6
4
Pins
22
Customer DCE
Pin 13 Pin 1
Pin 25 Pin 14
DB25 Female
Pin 14 Pin 25
Pin 1 Pin 13
DB25 Male