Rj-11 Ports; Antenna Port; Table 4. Isdn Port Pin Out; Table 5. Rj-11 Port Pinout - EchoStar inmarsat Hughes 9450 Series Installation Manual

RJ-11 ports

Antenna port

Table 4. ISDN port pin out

Pin
1
2
3
4
5
6
7
8
There are two RJ-11 ports on the IDU of the 9450, 9450E and
9450TW: FAX is for 3.1 kbps fax calls and TEL for 4 kbps
speech calls. The following table lists the pinout of the RJ-11
connectors.

Table 5. RJ-11 port pinout

Pin
1
2
3
4
5
6
The antenna connects to the 50 Ohm female TNC connector
antenna port. This line carries the L-band RF, ASK signaling, and
DC power (42 Vdc) for the antenna.
The antenna cable carries DC power; do not connect or
disconnect the antenna cable while the unit is powered on.
NC
NC
ISDN RX+(+40
V)
ISDN TX+(-40
V)
ISDN TX-(-40 V)
ISDN RX-(+40
V)
NC
NC
NC
NC
Ring (-V)
Tip (+V)
NC
NC
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