Interfaces of the GMU
3.2
Interfaces of the GMU
The following sections describe the connectors of the GMU and how to connect to the
ACU, power and other equipment.
3.2.1
Connector panel
The following figure shows the connector panel of the GMU.
Control via ACU
3.2.2
Rx In and Tx Out connectors
The GMU has an Rx In and a Tx Out connector. Use these connectors to connect the ACU
to the GMU.
Outline
(on the ACU)
Table 3-8: F connector, Rx and Tx, outline and pin assignment
3-6
Rx In
Tx Out
Ground
Figure 3-3: GMU (connector panel)
Pin
number
1
Inner conductor: 50 MHz clock,
Rx/Tx
2
Outer conductor: GND (Shield)
Tx Mute &
RS-232
RS-422
Rx Lock
Pin function
AC Power