The telephone exchange shall be installed in a stable indoor place with dry, ventilated
environment. (Temperature Range : 0
45
, Humidity Range :20%-80%.Avoid straight
sun shine or in the envi ronment of flammable or caustic gas.) Special telephone wire
is preferable.
①
℃
℃
The wiring should not be done in thundering.
Avoid using telephone in thundering.
Please don't use the telephone in flammable and leaking gas environment.
Unless the equipment is disconnected, please don't touch the broken part of the wiring or
any connection ends.
l
l
l
l
②
A marginal space around the exchange should be remained for heat sink, inspection
and maintenance of the system.
③
A wall bore is available at the underside of mainframe for wall installation. Desk installation
is also admitted. But the contact of wall bolt and circuit board inside the mainframe should
be avoided.
④
Please keep the exchange away from other equipment producing large electromagnetic
disturbance (such as motor and large transformer).
⑤
None of the wiring of any extension should share the pipeline with power supply or antenna.
Neither should the extension be close to antenna for air broadcasting (including short-wave).
⑥
Avoid damaging the power-supply cable. Keep it away from water. Encountering the leakage
of water cut off the power immediately.
⑦
Please don't impact or shake the exchange at any situation. Don't remove the exchange in
working status.
⑧
If the wiring pipeline of the extension is disturbed by electromagnetic wave while substitution
is unavailable in site, special insulating wire for communication is suggested for substitution,
also, the insulating net of which should be grounded.
Summary of Contents for PABX MD308
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