MM-014713-001
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3.4.10 Serial B
The Serial B connection is a DB-9 DCE female connection, and used to access the transceiver’s serial Rs-
232 programming port.
3.4.11 External I/O
The External I/O connector is a DB-25 female connection. This port provides access to local controlling
features of the transceiver such as PTT, TX audio, RX audio, etc. Foot switches and other local external
customer devices may be connected to the Control Station using this connector.
Figure 3-3: Rear Panel Features – Local and Remote Stations
