CTI Products TSAM Transmitter Steering & Audio Matrix - Manual (Page 31)

TSAM Installation and Maintenance Rev. 2.10 Chapter 4
CTI Products, Inc. Installation
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4.4.1 P101 Main Channel Signal Definitions
Console 1 M Keying (/PTT) (C1PTT) Logic signal from Console
Low = PTT on Main Channel
Console 1 Coded/Clear Logic signal from Console
Low = Coded TX Main Channel
High = Clear TX Main Channel
Console 1 TX Audio Tip & Ring 600 Ohm (Or Bridging) TX Audio from Console (Main
Channel)
RX Voted 1-8 Logic signals from comparator
Low = Voted
Instant Mode Logic signal from Console
Low = Instant TX Update Mode
RPT DISABLE Logic signal from Console
Low = Disable Repeater Operation
High = Enable Repeater Operation
(if programmed)
RPT KEY Logic Output from TSAM (Not normally used)
Low = PTT during Repeat operation
Console 1 PTT Out COM & N.O Relay contacts active when C1PTT is active.
FORCESEL Logic signal from Console (used with /TXS1-8)
Low to Force Select.
This tells the TSAM to use the /TXS1-8 lines as inputs.
Holding this line low also disables automatic steering.
TX Sel 1-8 /TXS1-8 Bi-directional logic signals
To/from Console (Main Channel)
Outputs from TSAM (when FORCESEL is High):
Low = Selected TX
Inputs to TSAM (Read on low-going FORCESEL):
Low = TX to force select
TX 1 - 8 Audio Tip & Ring 600 Ohm TX Audio Outputs to Transmitters
(Main Channel)
Gnd Negative Ground (common for all logic signals)
4.4.2 P101 Secondary Channel Signal Definitions
Console 2 M Keying (/PTT) (C2PTT) Logic signal from Console
Low = PTT on Secondary channel
Console 2 Coded/Clear Logic signal from Console
Low = Coded TX Secondary Channel
High = Clear TX Secondary Channel
Console 2 TX Audio Tip & Ring 600 Ohm (Or Bridging) TX Audio from Console (Secondary
Channel)
Gnd Negative Ground (common for all logic signals)