External Squelch Input; Connectors; Antenna Connector; Power And I/O Connector - RF Technology R220 Operation And Maintenance Manual

7 SPECIFICATIONS
7.4.22

External Squelch Input

An external input is provided to squelch or mute the receiver audio output. This may
be used in conjunction with an external decoder or to mute the receiver during
transmissions.
External Squelch Input can be connected to the T/R Relay pin on Eclipse transmitters
mute the receiver during transmission.

7.5 Connectors

7.5.1

Antenna Connector

Type N Female Mounted on the module rear panel
7.5.2 Power & I/O Connector
25-pin ``D'' Male Mounted on the rear panel
7.5.3

Test Connector

9-pin ``D'' Female mounted on the front panel
A Engineering Diagrams
A.1 Circuit diagram
Figure 1 shows the detailed schematic diagram with component numbers and values
RF Technology R220
7.4.22 External Squelch Input
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