4. 4. 4. 4. Description; Description Description On On On Installation Installation Installation And And And Panels Panels; Unpacking: Unpacking; Unpacking - 3One data 7304 User Manual

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Rack-mountable: 19in 4.5U standard casing
Power supply
Power Power Power 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
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 on on
Description on on Installation

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 panels panels panels of of of of the
Front/Rear panels
� � � � F F F F ront
ront panel
ront panel ront panel panel：
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
-38V～-58V DC input,5V/16A ,12V/1A output
Installation Installation and and
Installation and and Panels
the the stand stand alone alone device device: : : : device
the stand stand alone alone device
Front Front Front Panel Front Panel Panel of of of of MODEL7304 Panel MODEL7304 MODEL7304 MODEL7304
Page 4 of 11
MODEL7304 User Manual
Panels Panels
Panels