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synchronization code, signaling yards and other ancillary signals. E1 interface of the
physical and electrical characteristics comply with the G.703 standard of CCITT.
PCM sequence as shown:
PCM1
PCM0
TX2 RX2 TX1 RX1
Console and ethernet port :to be used as configure and debugging .with RJ45 connector.
And ethrnet port is a 10/100 Base-T Ethernet interface,support IEEE802.3
Reset button:can be used to reset device.
PCM RJ45 interface switch coax sequence:
RJ45 line sequence
BNC line sequence
Analog interface:to connect telephone line,totally eight interfaces from UC1 to UC8.with
RJ45 connector. the sequence as shown:
interface
Pin number
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
Line number
28
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
20
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
12
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
4
The front of the device as shown:
Light followed:
Power Eth Run
Type
Type
I I I I ndicate
ndicate
Type
Type
ndicate
ndicate
1
2
out(ring)
inner (tip)
RX
表 2-2-2
UC8
29
30
31
UC6
21
22
23
16
UC4
13
14
15
8
UC2
5
6
7
0
S1 L1 S2 L2
N N N N ormal
ormal
A A A A bnormal
bnormal
ormal
ormal
bnormal
bnormal
NC-AD300E Manual
4
5
out(ring)
inner(tip)
TX
UC7
24
25
26
27
UC5
17
18
19
UC3
9
10
11
UC1
1
2
3
T T T T he he he he methods
methods of of of of solution
methods
methods
solution
solution
solution
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