3
Structure
：
Independent: 140mm (depth) x 210mm (width) x 42mm (height)
Rack-mountable: 19in 4.5U standard casing
Power supply
：
Independent: 85V
～
264V AC input, 5V/2A output
-36V
～
-72V DC input, 5V/2A output
Rack-mountable: 150V
～
260V AC input, 5V/16A, 12V/1A output
-38V
～
-58V DC input, 5V/16A, 12V/1A output
Power consumption: 3W
Operating temperature: 0° C
～
50° C
Storage temperature: -20° C
～
80° C
Humidity: 5%
～
90% (free of condensate)
4. Description on Installation and Panels
4.1 Unpacking:
After the equipment is unpacked, a check shall be done for the completeness. If any part is
found missing, please immediately contact our representative offices or agents. Complete
packing shall include the following items (for an independent product):
One set of V.35 Fiber Modem IT-7304-PC
One V.35 Fiber Modem Operation Manual
One power line(V.35 Fiber Modem/AC)
Please also contact our representative offices or agents for any transportation damage found
with this product.
4.2 Front/Rear panels of the stand-alone device:
Front panel
：
Front Panel of IT-7304-PC
POWER
：
Power supply indicator lamp. Constantly lightening after the machine is turned on.
RXD
：
Data receiving indictor lamp at V.35 interface. Flash indicates that there is data output
from V3.5 interface. The quicker it flashes, the higher rate of data output from
V3.5interface.
TXD
：
Data sending indictor lamp at V.35 interface. Flash indicates that there is data input to
V3.5 interface. The quicker it flashes, the higher rate of data input to V3.5interface
LOF
：
E1 Alarm indicator lamp of input signal out-of-frame in optic line. Constantly
lightening indicates the alarm with local device; flash indicates the alarm with