Zte ZXR10 GER, Руководство пользователя

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Chapter 3 Structure and Principles
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T
A B L E
4 0 R E - 1 6 C E 1 - 1 2 0 D B 4 4 C
A R D
I
N D I C A T O R S
Indicators Function Description
Indicator of each
port
It is constantly on, when the link is normal. It is
off when the link is disconnected.
RE-16CE1-75DB44
It is a 16-port channelized E1 interface and provides 16 E1
interfaces in compliance with ITU-T G.703 and G.704 standards.
Each port supports the sending and receiving functions. The
receiving end implements the function of data receiving, framing
and HDLC link control. Sending end organizes the data into
HDB3 codes and sends them to lines.
Figure 27 shows RE-16CE1-75DB44 Card.
F
I G U R E
2 7 R E - 1 6 C E 1 - 7 5 D B 4 4 C
A R D
Table 41 shows RE-16CE1-75DB44 card interface features.
T
A B L E
4 1 I
N T E R F A C E
F
E A T U R E S O F T H E
R E - 1 6 C E 1 - 7 5 D B 4 4 C
A R D
Port Type Description
Channelized E1
In compliance with ITU G.703 and G.704;
Supporting G.704 framing;
Adopting 75
Ω micro-coaxial cable;
Adopting line code of HDB3;
A channelized E1controller has 31 valid timeslots
On the RE-16CE1-75DB44 card, each interface has one
corresponding indicator. Their functions are shown in Table 42
T
A B L E
4 2 R E - 1 6 C E 1 - 7 5 D B 4 4 C
A R D
I
N D I C A T O R S
Indicators Function Description
Indicator of
each port Link state indicator: It is on when the link is
normal. It is off when the link is disconnected.
Definition
Function
Panel
Interfaces
Indicators