Handbook

Redbox User Handbook No 1
103
SYNCHRONISERS, DELAYS & SILENCE DETECTORS - RB-SD1
9
Remotes Connector
Displayed below are the pin connections and descriptions for the remote connector:
Pin No. Signal I/O Description
Pin 1 Master Alarm Normally Open O Relay 1 N/O to Pin 9 in alarm state
Pin 2 Master Alarm Normally Closed O Relay 1 N/C to Pin 9 in alarm state
Pin 3 Aux. Alarm Normally Open O Relay 2 N/O to Pin 11 in alarm state
Pin 4 Aux. Alarm Normally Closed O Relay 2 N/C to Pin 11 in alarm state
Pin 5 Mode Switch I Momentary make to Pin 8
Pin 6 Mode Indicator O Internal Open Collector to Digital Ground
Pin 7 Restore Switch I Momentary make to Pin 8
Pin 8 Digital Ground - -
Pin 9 Master Alarm Common O N/O to Pin 1, N/C to Pin 2 in alarm state
Pin 10 Max Time Whilst Latched I Latched make to Pin 8
Pin 11 Aux. Alarm Common O N/O to Pin 3, N/C to Pin 4 in alarm state
Pin 12 +5V O To power up to a maximum 100mA
Pin 13 Source Select Indicator O Internal Open Collector to Digital Ground
Pin 14 Source Select Switch I Momentary make to Pin 8
Pin 15 Remote Start O Internal Open Collector to Digital Ground
Pins 1 - 4 are for external use to replicate the alarm conditions for the Main and
Auxiliary inputs.
Pins 5 - 7, 13 and 14 are to replicate the switches and indicators for the source select, mode
and restore functions.
Pins 8, 9, 11 and 12 are common or voltage pins.
Pin 10 is to select remotely the maximum silence time (2min 5sec). This may be useful
for the broadcast of Remembrance Day services, or where you expect a silence of up to 2
minutes to be broadcast. The maximum silence time is set whilst the contact is latched.
Pin 15 is used to remotely start an external piece of equipment and operates on audio fail.
Front Panel Selectors and Indicators
Fig 9-4: RB-SD1 Front Panel
Source
Selector
Alarm
Indicator
Mode Selector
and Indicator
SYNCHRONISERS, DELAYS &
SILENCE DETECTORS