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RJ-11 ports
Antenna port
WLAN 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 (except for the 9450L):
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.
The WLAN port on the 9450 IDU is a reverse polarity SMA
jack. The supplied antenna is a 2.4 GHz 3 dBi "Rubber Duck"
antenna with RP-SMA plug connector, part number
HG2403RD-RSF.
To prevent blocking or attenuation of the WLAN signal, the IDU
should be installed such that there is no metal blocking the radio
path to the user's device.
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
3004129-0001 Revision E
7
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