Description - ASL INTERCOM SMC02G Product Manual

SMC02G/SMC02F/Variants - Product Manual
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Description

The SMC02G and SMC02F are robust flush mounting Station Master's Consoles suitable for mounting in 19"
DIN equipment racks or other flat surfaces. The SMC02G has a panel mounted gooseneck microphone with
a console mounted Push To Talk switch, and the SMC02F has a fist microphone with integral Push To Talk
switch.
These microphones are designed to work with the whole range of ASL Voice Alarm and Public Address
systems, and are typically used by the Station Master for making announcements to any of the PA/VA zones
within a station.
The standard SMC02 units have the facility to act as a 'Fire Microphone' and activate the Router's bypass
mode as required by BS5839 Pt 8. These units should be connected to Router's inputs 1 and 2, which
operate in the All-Call failsafe override mode in the event of processor failure.
The 'S' variants (SMC02GS and SMC02FS) do not have the facility to act as a 'Fire Microphone', and are
configured as a normal 'Paging Microphone'. These can be connected to any of the Router's Mic/Line inputs
which support the required number of microphone buttons.
A flexible listen-in facility is also provided, whereby a mix of all zones or of selected zones may be monitored
via the SMC's built-in loudspeaker.
In a system which is configured with more than one SMC unit the listen-in facility can be controlled from only
one of the SMCs, i.e., the listen-in switch should only be configured on the primary SMC. However the listen-
in facility can also be controlled by a SMS/HCI type system connected to the Router's host port. Although
only one SMC can control the listen-in facility, the listen-in audio is still available on all SMC units in the
system.
Microphone audio is provided as a balanced 0 dBu (nominal) analogue signal. The unit features an in-built
signal limiter to accommodate varying operator techniques.
An outgoing 20 Hz surveillance tone is generated to enable the audio cabling to the router to be monitored.
A multi-pole connector provides field connections.
Issue: 02 complete, approved
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