Specifications

Sicon-8 Technical Manual CircuitWerkes, Inc.
8
Front panel controls, indicators and inputs:
Name Type Description
Fault LED Indicator Indicates an internal failure of the Sicon-8. Contact the factory
Control LED Indicator Flashes briefly any time a relay changes state
Unlocked LED Indicator Flashes during incoming rings and is on solid when the
unlocked code is entered or when the Sicon-8 is in local mode
DTMF LED Indicator Lights when DTMF tones are being received.
-9V LED Indicator Indicates that the –9V analog supply is working
+9V LED Indicator Indicates that the +9V analog supply is working
+5V #1 LED Indicator Indicates that the +5V digital supply is working
+5V #2 LED Indicator Indicates that the +5V relay supply is working
Local Telephone Input/output This RJ-11 jack provides a means to program & operate the
Sicon-8 from the front panel. This jack is always active. See
Page 8 for complete information on how to use this port.
Remote/Local Pushbutton Toggles the Sicon-8 between local & remote modes.
Remote LED LED Indicator Flashes when the Sicon-8 is in local mode.
Output Gain Control Sets the audio output level at the rear panel ¼” Output jack.
Input Gain Control Sets the audio output level at the rear panel ¼” input jack.
Hybrid Null Adj. Control Sets the hybrid null. This setting is important if you will be
feeding audio down the line to the caller while controlling the
Sicon-8 via DTMF tones. See page 8 for complete instructions
on setting the hybrid null.
Table 1. Description of Sicon-8 connectors
Figure 2. The Sicon-8 front panel