Comtrol RocketPort Plus, Hardware Installation

Page: 3 / 6

RocketPort® Plus Hardware Installation 3 of 6
DB9 Interface Connectors
There are Quadcable, Octacable, and two port models
available with DB9 connectors on a fanout cable.
DB9 Pinouts
Use this table and figure for information about the DB9
connectors used on the Quadcable, Octacable, and two port.
Building DB9 Female Loopback Plugs
Loopback plugs are used with the
diagnostics to test serial ports.
Use this loopback plug with the
Quadcable, Octacable, and two port
models. Wire the following pins
together:
• Pins 1 to 4 to 6
• Pins 2 to 3
• Pins 7 to 8 to 9
DB25 Interfaces
Use the following subsections for DB25 connectors.
Quadcable, and Octacable fanouts use male connectors.
DB25 Pinouts
The following figures and table illustrate connector
information for DB25 connectors.
Building DB25 Female Loopback Plugs
Loopback plugs are used with
the diagnostics to test serial
ports.
This loopback is used with
Quadcable, Octacable, and the
Surge interface boxes. Wire the
following pins together for an RS-232 plug.
• Pins 2 to 3
• Pins 4 to 5 to 22
• Pins 6 to 8 to 20
Wire the following pins
together for an RS-422
loopback plug (Surge interface
box).
• Pins 15 to 19
• Pins 17 to 25
Pin
DB9 Male
RS-232
Signal
DB9 Female
SMPTE DTE
DB9 Female
SMPTE DCE
1 CD Chassis GND Chassis GND
2 RxD TxD- RxD-
3 TxD RxD+ TxD+
4 DTR Signal GND Signal GND
5 Signal GND Not Used Not Used
6 DSR Signal GND Signal GND
7 RTS TxD+ RxD+
8 CTS RxD- TxD-
9 RI Chassis GND Chassis GND
Pin 1
Pin 5
Pin 6 Pin 9
DB9 Male
Pin 5
Pin 1
Pin 9
Pin 6
DB9 Female
Pin 1
Pin 5
Pin 6 Pin 9
RS-232 (Back View)
Pin
RS-232
Signal
1 Not used
2 TxD
3 RxD
4 RTS
5 CTS
6 DSR
7 Signal ground
8 DCD
9 to 19 Not used
20 DTR
21 Not used
22 RI
23 to 25 Not used
Pin 14 Pin 25
Pin 1 Pin 13
DB25 Male
Pin 13 in 1
RS-232 Only (Back View)
Pin 14
Pin 25
Pin 25 Pin 14
Pin 13 Pin 1
RS-422 Only (Back View)