MODEL7304 User Manual
Page 4 of 11
Rack-mountable:
19in 4.5U standard casing
Power
Power
Power
Power supply
supply
supply
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.
4.
4.
4. Description
Description
Description
Description on
on
on
on Installation
Installation
Installation
Installation and
and
and
and Panels
Panels
Panels
Panels
4
4
4
4.1
.1
.1
.1 Unpacking
Unpacking
Unpacking
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 MODEL7304
�
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
4
4
4....2
2
2
2 Front/Rear
Front/Rear
Front/Rear
Front/Rear panels
panels
panels
panels of
of
of
of the
the
the
the stand
stand
stand
stand alone
alone
alone
alone device
device
device
device::::
�
�
�
�
F
F
F
Front
ront
ront
ront panel
panel
panel
panel
：
Front
Front
Front
Front Panel
Panel
Panel
Panel of
of
of
of MODEL7304
MODEL7304
MODEL7304
MODEL7304
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
opposite device. Alarm status of opposite device can be detected only at framing
mode.
LOS
：
E1 Alarm indicator lamp for code missing in optic line. Constantly lightening indicates
the alarm with local device. Flash indicates the alarm with opposite device.
LOOP
：
Indicator lamp of loopback test status. When local device is at a loopback status, the