Description
2-7
1
2
3
4
5
2.2.2.2
Duplexer
The duplexer has the following elements on its front panel:
• 1 QN type “TX” connector (item 7) to connect the coaxial link cable with the TX output of
the 3G PA-TRX module,
• 1 QN type “RX” connector (item 2) to connect the coaxial link cable with the RX1 input of
the 3G PA-TRX module,
• 1 N type “ANT” connector (item 1) to connect the antenna cable,
• 1 green "PWR" LED (item 3): module power supply,
• 1 red “TX DEF” LED (item 4): ROS greater than 4,
• 1 red “RX DEF” LED (item 5): LNA consumption alarm,
• 1 green "TX" LED (item 6): emission (carrier detection),
• 1 RJ45 type "ETH" connector (item 8) reserved for the manufacturer.
A specific tab-based locking system is present on the 2 sides of the module.
The rear panel of the duplexer comprises 1 9-pin SubD connector (item 10) for connection
to the synchronisation board for its power supply.
The duplexer (see Plate 6.I, item 9) is positioned on the front panel outside the rack.