ASL INTERCOM IS 640-18 Bedienungsanleitung
IS 640-18
MATRIX SWITCH PANEL
USER MANUAL
August 2016
This product is designed and manufactured by:
ASL Intercom BV
Zonnebaan 42
3542 EG Utrecht
The Netherlands
Phone: +31 (0)30 2411901
Fax: +31 (0)30 2667373
E-mail: in[email protected]
Web: www.asl-inter.com
PAGE 2
User Manual IS 640-18 / August 2016 © ASL Intercom BV
1.0 GENERAL DESCRIPTION
To the IS 640-18 may be connected:
A maximum of 6 intercom channels,
coming from for instance a 6-channel
power supply (PS 680) or a 6-channel
master speaker station (PS 6379 Mk2).
A maximum of 18 intercom lines. To each
intercom line one or several user stations
may be connected.
Each intercom line may be assigned to one of the
6 intercom channels, using 6-position slide
switches.
The cabling of intercom lines and intercom
channels is standard microphone cable.
The IS 640-18 is a 19” unit, taking 1U of rack
space.
2.0 FRONT PANEL
Each slide switch assigns the audio wire of each
intercom line (labeled 1 –18) to the audio wire of
one of the 6 intercom channels (labeled A –F).
3.0 REAR PANEL
The intercom channels and the intercom lines are
connected to the rear panel.
The connection points are small terminal strips
(see detail in drawing) which are labeled A - F for
the intercom channels and 1 –18 for the
intercom lines. To each terminal strip the two
conductors and the shield of each microphone
cable can be connected.
The 6 intercom channels can be extended to a
next IS 640-18 or IS 640-12 unit.
The ‘through” intercom channels have to be
connected to the second set of connection points
A –F.
Another way of extending the intercom channels
is to use the ‘intercom channel link option’ (see
drawing). It concerns 2 sets of connection points,
shaped for flat cables (1/10” pitch), allowing to
link the intercom channels to one or several IS
640-18 units. This in case these units are
mounted above each other. See drawing on next
page.
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User Manual IS 640-18 / August 2016 © ASL Intercom BV
4.0 INTERNAL WIRING IS 640-18
Pin 3 connections:
Each slide switch assigns the audio wire of each
intercom line (labeled 1 –18) to the audio wire of
one of the 6 intercom channels (labeled A –F).
Pin 1 connections:
The 0V/ground wire of all intercom channels are
connected to the ones of all intercom lines.
Pin 2 connections:
The 30V DC line power for the intercom lines with
odd numbers is derived from the line power on
channel A, C and E.
The 30V DC line power for intercom lines with
even numbers is derived from the line power on
channel B, D and F.
5.0 DIMENSIONS & WEIGHT
Width: 19” / 483 mm
Height: 1,75” /44,5 mm Depth: 25 mm
Weight: 320 grams
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