Cisco CX-FEIP-1TX= Installation and con?guration Uživatelská příručka Strana 65

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PTP 800 Series User Guide Indoor RF unit (IRFU)
phn-2513_004v000 (Oct 2012)
1-25
IRFU interfaces
The IRFU transceiver interfaces are illustrated in Figure 16 and described in Table 7.
Figure 16 IRFU transceiver interfaces
Table 7 IRFU transceiver interfaces
# Interface Function
1 Power button For powering the transceiver on and off.
2 Power connector For connecting the transceiver to a standard 48 V dc
telecommunications supply.
3 “Alarm” LED For indicating the status of the IRFU. LED states and
troubleshooting actions are described in Check IRFU
status LEDs on page 8-12.
4 CMU connector For connecting the transceiver to the CMU via an IF
cable with SMA connectors.
5 RSSI MAIN Test Jack For connecting a voltmeter to measure the voltage
when aligning the antenna. For more information, see
Step 6: Aligning antennas on page 6-100.
6 RSSI SD Test Jack As RSSI MAIN Test Jack, but measures the voltage
when aligning the diversity antenna in 1+1 Tx MHSB /
Rx SD configurations. Not equipped on single RX
configurations.
7 TX Connector For connecting the transceiver (transmit) to the BU via
an RF cable with SMA connectors.
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