GAI-Tronics 028-02-3191-652 Manuale d'installazione e d'uso - Pagina 3
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1.
Safety and Care Information
The safety of the user/installer relies on the isolation of the telephone
▲
network and not on the earthing of the case
Please read these instructions thoroughly before starting installation.
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These products must be installed by competent personnel familiar with
telephone installation.
Telephone network voltages can be hazardous. Take adequate
▲
precautions when opening the case or installing. If in doubt, disconnect
the telephone line elsewhere before accessing the line connections.
For increased protection against lightning transients, attach a local
▲
earth to the main terminal block (see section 5)
Do not fit a terminating resistor across the telephone terminals. The
▲
system does not require a terminating resistor, fitting a resistor may
prevent the telephone from initiating a call.
2.
Product Description
This manual describes the ILC-1117 model Titan telephone, designed for use
on PETS (Public Emergency Telephone System) at automatic half barrier
(AHB) level crossings in the UK. The product was introduced with the design
of PETS3, but is backward compatible with PETS2 and PETS1.
2.1. Changes from previous versions
This manual describes an updated range of products introduced in June 2009.
For those familiar with GAI-Tronics' products, the list of new or changed
features is as follows:
Larger illuminated area, with instructions
•
Clearer, more even illumination. Backlight colour is now white as
•
opposed to red. Illumination level does not vary when on or off hook.
Prominent, vandal resistant pushbutton
•
New, simpler terminal layout (section 5). No separate Cap-Shunt link
•
(ringing is permanently enabled). The pushbutton is permanently in
circuit.
There is no longer an option to select an illumination current. Illumination
•
current is fixed at 6mA.
Increased lightning protection (section 9).
•
Compliance with railway EMC standards (section 9)
•
For the full list of product features, please see the specifications in section 9.
ILC-1117 Titan Illuminated Crossing Telephone
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