Installation and Operation Manual

November 1999
M68333 Rev. A Tel-Link PMP - Sector Terminal Installation & Maintenance Manual 2-11
Table 2-2 shows the signals carried between the Sector IDU and Sector ODU on the coaxial IFL cable:
Table 2-2 - IFL Signals
IFL Signal Frequency Variation
IDU Transmit 205 MHz
±5 MHz
IDU Receive 490 MHz
±5 MHz
Telemetry 800 KHz
(On/Off Keying)
30 KHz
Reference Signal 10 MHz 1 ppm
IFL Power Voltage Variation
ODU Power +44 VDC +40 to +57 VDC
IFL Connector Termination 1 Termination 2
Type N Male IDU ODU