Harris Legacy 99-1300-0, Operation & Technical Manual

Page: 37 / 98

2 Installation
Revision B • 1/03
H A R R I S C O R P O R A T I O N
2-25
FUNCTIONAL DESCRIPTION OF CONNECTION
Normally Open (N/O) contact output. A momentary “contact closure” of 220 ms to Command Common occurs
when the module status changes to On from Off. Typically connects to the Remote Start logic input on the
peripheral device.
Normally Open (N/O) contact output. A momentary “contact closure” of 220 ms to Command Common occurs
when the module status changes to Off from On. Typically connects to the Remote Stop or Pause logic input on
the peripheral device.
Normally Open (N/O) contact output. A “contact closure” to Command Common occurs while the module is On.
Typically connects to the Remote Start logic input on a peripheral device that cannot use pulses.
The Common (C) contact output for the Start and Stop commands. For an active high logic on the command
outputs, connect Command Common to the logic supply voltage on the peripheral device. For an active low
logic on the command outputs, connect this pin to logic ground on the peripheral device.
Conn5 to +40 VDC to this input enables the active low external control inputs (On, Off, Cough, Talkback).
If the control inputs are isolated from other devices (e.g., on a control panel), the +VDC can come from +5 Logic.
When pulled low, turns the module On from Off. Input is ignored if the module is already on.
When pulled low, turns the module Off from On. Input is ignored if the module is already off.
When pulled low, the module audio is muted from all assigned buses.
When pulled low, the console talkback mic audio is routed to the telco mix-minus output for this module.
The Tally outputs are N/O “dry contact” outputs. Typically used to drive indicator lamps or LEDs, the outputs can
sink or source up to 60 volts or 350 mA. The “C” contact for all the tally outputs is Tally Common.
While the module is off, the Off Tally output connects to Tally Common—if Ready (DS1/DS3-1) is set to On. When
DS1/DS3-1 is set to Off, then the Off Tally is controlled by the Ready input logic.
While the module is on, the On Tally output connects to Tally Common.
While the Talk to Caller input is pulled low, the Talk Tally output connects to Tally Common.
The “C” relay contact for the Off, On, and Talk tallies. Typically, the tally lamps/LEDs are tied together to ground
and Tally Common connects to the lamp supply voltage (up to 60 volts). If the tallies use +6.3 volt, 40 mA lamps,
and are isolated from peripheral devices (as in a remote mic control panel), then the Tally Common can come
from Logic 5 Logic.
These complementary logic inputs r5 to +40 VDC between the (+) input and the (-) input for activation.
This can be done by connecting an active high logic to the (+) input and grounding the (-) input, or by supplying
+5 to +40 VDC to the (+) input and an active low logic to the (-) input.
When activated while the module is on, the module turns off without generating a stop pulse. While the module
is off, the Ready logic controls the Off LED to indicate device status. Typically, LED off indicates the peripheral is
not ready to play, LED on indicates the device is ready, and a flashing LED indicates the device has already played
or has not been cued up.
When activated while the module is on, turns the module off without generating a stop pulse. Input is ignored if
the module is already off.
Module logic voltage output source that can deliver up to 300 mA of current.
Module logic ground.
PIN NAME/NUMBER
START COMMAND PULSE
(pin 5)
STOP COMMAND PULSE
(pin 4)
START COMMAND
SUSTAINED
(pin 23)
COMMAND COMMON
(pin 13)
ACTIVATE LOGIC INPUTS (+)
(pin 18)
ON (-)
(pin 7)
OFF (-)
(pin 8)
COUGH (-)
(pin 9)
TALK TO CALLER (-)
(pin 20)
TALLIES
OFF TALLY
(pin 16)
ON TALLY
(pin 17)
TALK TALLY
(pin 15)
TALLY COMMON
(pin 14)
READY (+) & (-)
RESET (+) & (-)
READY (-) & (+)
(pins 21 & 24)
RESET (-) & (+)
(pins 19 & 22)
LOGIC 5VDC
(pins 6, 10, 11, 12)
LOGIC GROUND
(pins 1, 2, 3)
Telco/Codec Module, Logic I/O — Signal Definitions