3One data 7304 Посібник користувача - Сторінка 6

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Також для 3One data 7304: Посібник користувача (11 сторінок)

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Select the number of time slots according to the expected rate. Normally for an independent
type, a time slot setting of automatic tracking Central Site module is selected. Coded switches
of plate-clip time slot correspond to S1, S2, S3 and S4.
48V DC： DC -48V power supply connector
The others are the same as AC Rear Panel
4 4 4 4 . . . . 3 3 3 3 Front/Rear
Front/Rear
Front/Rear
panels
panels
panels of of of of Rack-mountable
Front/Rear panels
RACK
front
panel
RACK
RACK
RACK front
front
front panel
panel
panel：
� � � �
+5V: 5V main power supply indicator lamp
+12V: 12V fan power supply indicator lamp
Under the panel is a group of indicator lamps matrix:
PWR : power supply lamp
RXD : lightening upon data receiving at V.35
TXD : lightening upon data sending from V.35
LOS : lightening when the optic line gets lost
LOF : lightening after a synchronization of data out-of-frame
TEST : lightening during loopback test (equivalent to LOOP)
PTOK: lightening after a successful pseudo-random code test
� � � � RACK/AC
RACK/AC
RACK/AC
AC
AC
redundancy
redundancy
RACK/AC AC
AC redundancy
redundancy power
160~270 VAC：AC 220V input jack
ON OFF：power switch
+5V：5V main power supply indicator lamp；
+12V：12V fan power supply indicator lamp
Rear
Panel
Panel of of of of MODEL7304
MODEL7304
Rear Panel
Rear
Rear
Panel
MODEL7304
MODEL7304/DC
Rack-mountable
Rack-mountable
Rack-mountable casing
Front
Front
Panel of of of of RACK
Panel
Panel
RACK
RACK
Front
Front Panel
RACK
power
power
supply
supply
power supply
supply panel
RACK/AC
RACK/AC
AC
AC
Redundancy
Redundancy
RACK/AC
RACK/AC AC
AC Redundancy
Redundancy Power
Page 6 of 11
MODEL7304 User Manual
/DC
/DC
/DC
casing: : : :
casing
casing
panel
panel
panel：
Power
Power
Supply
Supply
Panel
Panel
Power Supply
Supply Panel
Panel