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ASL Document ref.: 464_FMS5_10_20_Guide.doc     Part No. M0464_63    Issue 1.1

Date: 26/02/04

Page 1 of 5

Installation Guide

Type Nos:

FMS5 

FMS10

FMS20

Zoneable Fireman’s Microphone Stations

Product Description

The FMS5, 10 and 20 Fireman’s Microphone Stations each comprise a lockable wall-mounting box housing a 

fist microphone and associated electronics. All are designed to work with the VAR range of DSP 

Router/System Controllers.
The FMS5 provides 5 zone selection capability whilst the FMS10 and 20 provide 10 and 20 zones 

respectively. Buttons may also be configured to broadcast pre-recorded messages.
The FMS5-20 will operate in an all-call mode even in the event of processor failure within the router as 

required by BS 5839 Pt.8. In this instance, the All-Call-Only indicators will illuminate to indicate the restricted 

function.
Interfacing of Select buttons and indicators to the DSP Router/System Controller is via an RS485 serial 

connection.
Microphone audio is provided as a balanced 0dBu (nominal) analogue signal. The unit features an in-built

signal limiter.
The microphone capsule is continuously monitored for open or short circuits. An outgoing 20Hz surveillance 

tone is generated to enable the audio cabling to the router to be monitored. 
Hardwired connections are provided for the PTT switch and Speak Now and All-Call-Only indicators. This 

cabling is continuously monitored by the router for open and short circuits.
Field connections are provided by internal DIN rail mounted terminals on the back of the box.
Top and bottom cable entry points are provided fitted with removable metal blanking plugs. Rear cable entry is 

also catered for by means of ‘knock-outs’ in the rear of the box.
For further details please refer to the DSP Router/System Controller Handbook and the Application Solutions 

PA/VA Systems Design Handbook.

CE Declaration 

This equipment is designed and manufactured to conform to the following EC standards:

EMC

EN 55103-1, Environment E1, EN 55103-2  E5

Safety

EN 60065

Failure to use the equipment in the manner described in the product literature will invalidate the conformity.

A ‘Declaration of Conformity’ statement to the above standards and a list of auxiliary equipment used for 

compliance verification is available on request.

Summary of Contents for FMS5

Page 1: ...eatures an in built signal limiter The microphone capsule is continuously monitored for open or short circuits An outgoing 20Hz surveillance tone is generated to enable the audio cabling to the router to be monitored Hardwired connections are provided for the PTT switch and Speak Now and All Call Only indicators This cabling is continuously monitored by the router for open and short circuits Field...

Page 2: ...rs re location of the equipment or the signal cables is recommended ESD PRECAUTIONS This product contains static sensitive devices Observe ESD precautions when working on the equipment with the cover removed Connections DIN Rail Terminal Allocations Cable Types For BS EN 5839 Pt 8 compliance fire rated cable Firecell for example must be used For cable run limitations and alternative cable types pl...

Page 3: ...ng it indicates the zone is successfully selected and is ready for use by this microphone station This indicator will be steady once the PTT button is pressed as long as a higher priority input has not selected the same zone If a higher priority input selects the zone during a paging announcement the zone will be deselected and the Select indicator will go out Announcements will continue to other ...

Page 4: ...cument ref 464_FMS5_10_20_Guide doc Part No M0464_63 Issue 1 1 Date 26 02 04 Page 4 of 5 Mechanical Details CABLE GLAND HOLES TOP AND BOTTOM CABLE GLAND HOLES TOP AND BOTTOM KNOCK OUTS IN REAR OF BOX DIN RAIL ...

Page 5: ...r knock out diameters 2 x 20 5mm Fixing Holes 4 x 9mm Colour Red RAL3020 Weight 5 7 kg FMS5 10 5 9 kg FMS20 Temperature Range storage and operating 5 C to 50 C Humidity Range 0 to 93 Non condensing EMC EN 61000 4 3 80MHz to 1GHz EN61000 4 6 0 15MHz to 80MHz ITU R 562 3 impairment level 3 In the close proximity to some radio frequency transmitters the signal to noise ratio of this system may be red...

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