Approvals/certifications |
Facilitates compliance with BS5839-9 when correctly installed. |
Supply/operating voltage |
11V DC derived from a compatible SigTEL Master Controller (drops to 6 V DC when in use). |
Quiescent current |
3mA |
Activation current |
25mA (current draw when intercom is in use). |
Open collector outputs |
O/P +Ve & O/P –Ve (closes when outstation is active, typically used to trigger a third party CCTV camera, opto-isolated, normally open, max. 24 V DC, 3 mA). |
Indicators |
Red call in progress LED |
Controls |
External ‘Push to Call or Answer’ button (Off Hook); Internal Loudspeaker volume control; Engineer’s “On Hook” and “Off Hook” pins. |
Expansion connections |
AFILS +Ve & AFILS –Ve (typically connected to the line-level input of an optional induction loop amplifier): Off-Hook and -Ve (can be optionally connected to an NC951 accessible toilet alarm kit (see instructions for details). |
Product dimensions (mm) |
175 W x 250 H x 53 D mm. Hole required for flush mounting: 156 W x 232 H x 51mm D approx (no brezel required). |
Construction & finish |
Green steel. |
IP Rating |
IP20. |
Weight |
1.5 kg. |
Operating conditions/temperature |
-5ºC to +40ºC. Max relative humidity: 95%. |
Notes |
Microphone frequency response 250 Hz to 5 kHz ±3 dB; Loudspeaker frequency response 250 Hz to 4 kHz ±3 dB; Audio output level: 0 dB (775 mV) balanced line. |
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