GAI-Tronics CommandPLUS Series Desktop Console Installation and Service Manual - Manual (Page 39)

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Features and Options
DTMF Decode
DTMF Decode is a standard feature of the CommandPLUS Series Desktop Console. It adds automatic
number identification (ANI) capability for systems using DTMF (dual tone multi-frequency) signaling.
The DTMF Decode must be selected and programmed for your system using the CARD Suite Software.
Paging Encode
Paging Encode is a software-supported option that supports DTMF, 2-Tone sequential, Plectron,
5/6 Tone, 1500 and 2805 signal modes.
Positive Mode Control
The Positive Mode Control feature is used to control a secure-equipped base station. In this modified
tone-control scheme, there are two function tones present in any tone sequence that causes the radio to
transmit. Immediately following the high level guard tone, there is a coded/clear function tone that
instructs the radio equipment whether or not voice audio is to be encrypted. The normal transmit
function tone follows the coded/clear function tone.
1. Up to three Console Interface Units (CIUs) can be connected to the CommandPLUS Series Desktop
Console.
Table 11. CIU Pin Connection
Pin # Function Description
P912-8 Clear PTT Input to CIU instructs either a clear/coded signal to be sent.
P912-11 RCV DVP Output from CIU indicates receive audio was decrypted.
2. Printer connection with CIU
Refer to Table 12 for pinout information in connecting the CIU for printer capabilities.
Encode Control OUT Controls the CIU and tells it to encode the transmit audio.
Encode Control IN Indicates whether receive audio is coded/clear. Console indicates if
hook-up and indication are working correctly.