CES SDI-50 - Page 18

C.E.S. Model SDI-50 Manual, General Description
JMP7 Relay PTT Level
The center pin, B, is common and connects to one oí the
other two pins; A or C.
Pin A: Relay PTT provides +12Vdc to key the transmitter.
Pin C: Relay PTT provides a ground to key the transmitter.
JMP8 Aux. Relay Control
The center pin, B, is common and connects to one of two
pins; A or C.
Pin A: The auxiliary relay follows the keying of the
transmitter to connect and disconnect.
Pin C: The auxiliary relay follows the phone line connect
relay for control.
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