Alpha Technologies USM2.5 Status Monitor - Manual (Page 17)

17 018-041-C0-002 Rev. B
1. Installation
1.6 COMM and RF Connections
The COMM connector allows the technician to bypass the RF modulator and communicate
with the transponder through a PC's RS-232 serial port.
The RF connector is the primary I/O port to the head-end modem.
COMM (RJ-11) RF
Figure 1-12 COMM / RF connections
NOTE: Wire from the ground block MUST be connected to the enclosure's
grounding lug, or ground bar. Ensure that all connections are
clean and bare. Coax MUST share the same ground as the
power supply.
Output 1 LRI
Battery
Input
Temp
Probe
Battery
Breaker
Laptop With
Test2Way Software
RF Cable
To Headend
Acterna
Provided Cable
User Provided
User Provided
Ground Block
See note below
(RJ-11 to DB9)
Acterna P/N 3200-00-4002