GHX-308A/616
HYBRID KEY TELEPHONE SYSTEM
Http://suryawardana.com
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masonry or plaster-board wall. It is recommended that 1/2 inch polywood back-board
be firmly mounted to the wall.
b) The location must have access to a dedicated 110 Volt AC or 220 Volt AC, 50-60Hz circuit with a circuit breaker
or fuse rated at 2amps. A 3-wire parallel blade grounded outlet should be within approximately 2 meters(6 feet)
of the lower left rear of the BKSU mounting.
c) The location have access to a good earth ground, such as a metallic cold water pipe with
non-metallic joints. The ground source should be located as close as possible to the
system.
d) The system should be located in an area which is well ventilated with a recommended
temperature of 20-26? (68-78.8? ) and a relative humidity of 5~85%(non-condensing).
e) The system should be located within 8 meters(25 feets) of the telephone company’s termination point. Also, the
location should be within the prescribed station loop lengths for all keysets and terminals. If exiting cabling is to
be employed, the location of existing cabling and conduits should be considered.
f) The location should have adequate accessibility, space and lighting for future servicing and should consider the
need for future expansion.
g) The site should be away from radio transmitting equipment, arc-welding devices, copy machines, and other
electrical equipment capable of generating electrical interference. The system should be protected from
flooding and heavy machinery as well as excessive dust and vibration.
3.2 VERIFY ON-SITE EQUIPMENT
Once the equipment installation site has been identified and a dedicated AC outlet, earth-ground, and lighting and
ventilation are available, verify that all equipments required are on-site and has not been damaged during shipment.
Unpack the KSUs assure there is no shipping damage. Note that a mounting template is packed with KSU and this
template will be required later in the installation.
Check that type and quantity of boards received is correct and optional equipment and a Power Line Surge Protector are
on-site. Note that the individual boards should not be unpacked at this time.
If any equipment is damaged or missing, notify appropriate personnel to correct the situation.