TriCom TCR-L-50, Operator'S Manual, Page: 24 / 35

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3.4 RF CONNECTIONS
Attach an RF cable from the transceiver to the RADIO input connector. Attach RF
cables/antennas to the applicable antenna connections located on the rear of the amplifier.
3.5 AUXILIARY INTERFACE
The auxiliary interface AUX (shown in Figure 1-4) provides access to enhanced capabilities
and firmware updates. The connector is waterproof and has a silicone dust cap. The
connector should be inspected to verify there is no dirt or contaminants present before mating
a cable.
AUX provides a +5VDC regulated output and a USB interface for remote control and an RS-485
interface for future use. The USB interface is automatically selected when the USB external host
s5VDC to the PA.
Table 3-2. AUX Interface Pinout
Pin I/O Description
1 I Electrical Ground (GND)
2 O +5V (output to External Device)
3 I USB +5V (input to PA from external host)
4 I/O USB +
5 I/O USB -
6 I/O (RS-485 A (+) future use)
7 I/O (RS-485 B (-) future use)
8 I/O Reserved for Keyline (not sure if we want to put this though)
9 I/O Reserved (SPARE)
3.6 FIRMWARE UPDATES
The Power Amplifier firmware can be updated via the rear panel AUX interface.
3.7 OPTIONAL FUNCTIONALITY AND ACCESSORIES
The TCR-U/L-50 supports optional accessories and functionality through the AUX interface.
Contact Tricom Research at
support@tricomresearch.com for additional information.
3.7.1 REMOTE FACE PLATE
An optional Remote Face Plate is available for the TCR-U/L-50. The Remote Face Plate connects
to the AUX interface and offers full functionality from a remote location. The Remote Face Plate
is particularly useful when operator controls are not easily accessible due to mounting location.