User's Manual

2-12
Control Configuration for Multi-Tone
Control Board.
Assembly #: 943180
R6: Tx audio level adjustment (-25 dBm). J1: Standard or EIA
R24: Keying Tone Attenuator. Keying tone protocol.
R26: 1950 Hz tone level adjustment J2: Selects Tone and/or Current Loop/
R41: 2175 Hz tone level adjustment Ground Keying enable or disable
R59: Rx Audio level adjustment. J3: Selects Keying timer Enable/Disable
(-10 dBm) J4: Input Connector
R64: Time out timer J5: Output Connector
(90 sec. default)
NOTE: Bold Italics indicate Factory default configurations.
Figure 2-4Line Interface/Remote Control Board P/N 943180-1