User Manual Part 2

Lynx.GX Installation and Management
IDU ORDERWIRE PORT CONNECTOR
The IDU front panel Orderwire telephone port supports connection to standard electronic ringer telephones on a
6-pin RJ-11 modular jack as shown below. The center two pins (pins 3 and 4) are used for the Tip and Ring.
Telephones with RJ-11 modular plugs can be 6-, 4-, or 2-pin modular plugs. The center two pins are used on
the phone regardless of the number of pins on the modular plug
.
Figure 11. Orderwire RJ-11 Modular Plug (typical termination)
Note: If you are using a standard telephone (for orderwire function) not provided by Proxim with this
product, ensure that the telephone has a ringing equivalency specification of 1.0 Baud and is a UL-
Listed (ITE) device that has been evaluated to the Standard for the Safety of Information
Technology Equipment, including Electrical Business Equipment, CAN/CSA C22.2, No. 950-85 * UL
1950, Third Edition.
IDU/RFU CABLE CONNECTOR AND PIN ASSIGNMENT
The IDU (Indoor Unit) is connected to the RF Unit using a 50-ohm coaxial cable terminated with male TNC
(Threaded Neill Concelman) connectors on each end. The female TNC connector provides termination for this
coaxial cable on both the IDU front panel and RFU enclosures. The single coaxial cable carries power,
telemetry, receive IF signals, and transmit IF signals between the IDU and the RFU.
Figure 12. IDU/RFU Cable Connector
TNC Port Connector Pin Assignment Description
Pin Description
Center + 42 VDC, 125 kHz Telemetry, 140 MHz Receiver IF, 748 MHz Transmitter IF
Outer Common Signal/Chassis Ground
Appendix D Connectors and Pin Assignments 81