
Manual Euro-MERiDIAN
Chapter 9 Page 9 - 1
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9
9
REMOTE SIGNALLING
This chapter summarises the options available for remote signalling
from the system and details the facilities available for compliance
with DD243:2002.
A: ARC Signalling Using
the Slot-in Digi-Modem
The digicom may be used
independently of the modem
function. A variety of formats
are available, including
standard ‘fast' and 'extended'
formats, which are fully
programmable.
Installation information is
shown at Chapter 20, with
programming information in
Chapter 21.
The Slot-in Digi-modem can also
be used for Downloading
purposes, in conjunction with a
PC running ‘In-Site’ software.
(see Chapter 22) and SMS Text
Message transmission (see
Chapter 23)
B: Using a STU / Dual path
signalling
An industry standard plug-on
STU or communicator may be
fitted to the Euro-44+ (or 134,
256) End Station. Up to 10
channels are available, and are
fully programmable under
‘Program outputs’ section.
Three monitoring inputs are
provided (Fail to Communicate,
Tellback/RedCare Reset and Line
Fault), which are enabled in
'Site Options.'
Euro-22 and 28 are fitted with a
connector for a loom (Cat. No.
CT1105) to a stand-alone STU or
digicom. 6 fully programmable
output channels are available,
along with two inputs (Line
Fault and RedCare Reset).
Please check for availability of
adaptor to provide a
comparable connector on Euro-
10 and 12.
Outputs from the End Station
default to +5v when active;
so the communicator should
be programmed for ‘+ve
applied.’ Software 3·1 (& later)
has invert option for ‘positive
removed’ signalling. See page
13-35.
Inputs also require +5v
signals to trigger.
NOTE: Connector pins on Output
Modules will also accept a STU or
communicator, but inputs from the
device are NOT (yet) monitored.
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