User's Manual Part 1

Table Of Contents
OPERATION 3EM21522AAAA
DTR-0200-SA-SIRIUS Issue 1, March 2008
5-48
5.8.7
Main Controller Rear Panel Connectors
The Main Controller rear panel has 20 connectors;
MODEM
, spare (3),
FWD RF
DETECTOR, REFL RF DETECTOR, PA CONTROL, TEMP.SENSOR, STATUS IN,
RELAY CONTROL, 10MHZ, 1PPS, ASI A, ASI B, ETHERNET 10/100/1000 BASE T (4),
GPS ANT, DIAL-UP
. See Figure 5 - 53.
Figure 5 - 53 Main Controller Rear Panel
CONNECTOR COMMENTS
MODEM Not connected
FWD RF DETECTOR Connects to RF forward power detector for RF monitoring
REFL. RF DETECTOR Connects to RF reflected power detector for RF monitoring
PA CONTROL Connects to HPA Control I/F
TEMP.SENSOR Connects to PDU
STATUS IN Connected to Status Cable inside repeater and indicates Door Status
RELAY CONTROL
Connected to Relay Cable inside repeater and indicates Relay Status
10 MHZ Not connected
1 PPS Not connected
ASI A Not connected
ASI B Connected to VSAT RX ASI OUT 2
ETHERNET 10/100 BASE T There are four Ethernet connectors. Any one of the four must connect
by cable to the Modulator back panel Ethernet connector. This pro-
vides communication between the Modulator and Main Controller.
The remaining three Ethernet connectors connect to external equip-
ment such as a PC (for troubleshooting, parameter monitoring, etc.).
GPS ANT Connects to GPS Antenna cable.
DIAL-UP Phone cable connection