Comtrol RocketPort PCI series - Manual (Page 11)

11
RJ11 Interface
RJ11 Interface The RocketPort PCI/8-port RJ11 features eight standard RJ11 modular
connectors, located on the controller board mounting bracket. The ports are
numbered 0 through 7, with Port 7 being the connector closest to the bus.
RJ11 Pinouts The following figures provide pinout information for the RJ11 jack plug and
receptacle.
Building RJ11
Loopback Connectors Loopback connectors are plugs, with pins wired together as shown, that are used
in conjunction with the RocketPort diagnostic software to test serial ports.
To build an RJ11 loopback plug, wire these pins
together:
• Pins 3 to 4
• Pins 1 to 5 to 6