Voice Broadband Optical Multiplexer
User
Manual
7
1-4
5-8
9-12
13-16
1-4
5-8
9-12
13-16
AC220V
OFF
-
DC48V
+
ON
Ethernet
1
2
3
4
VOICE
E1 120Ω
1
2
3
4
(Figure of Rear Panel-120Ω)
2.2.1 E1 Interface
4-line E1 interface on rear panel, next to voice interface is E1 of
1
st
line.
75Ω/RX: 75Ω unbalanced E1 signal input.
75Ω/TX: 75Ω unbalanced E1 signal output.
2.2.2 Ethernet Interface (100M Bandwidth)
There are 4 connecting RJ45 ports on rear panel, and the two
connecting ones on the right are the Ethernet interface, which are
switch-mannered. The Ethernet interface supports automatic
recognition/adaptation of cross-wires and direct-type-wires,
ridding the trouble of remaking the wires.
2.2.3 VOICE Interface
There are 8 RJ45 ports in a row that are the voice interface,
each of which can transfer 4 lines of telephone, making 1~4, 5~8,
9~12, 13~16, 17~20, 21~24, 25~28, 29~32 from left to right.
Connect in order depending on the number of ways ordered by
customer.
2.2.4 Power Supply
The power supply has two options: AC and DC, which
should be specified upon ordering, and a universal version is also
available. The device supports two power versions: 220V and
–48V, with up to 20% fluctuation. Note that the DC power supply
has positive and negative poles. The negative/positive pole of
–48V power source should be plugged into the negative/positive
pole of the power input on the device.
The power is off when
the switch is on “OFF” position. Otherwise the power is on.
