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Cisco ONS 15454 SDH Procedure Guide, R7.0
78-17194-01
Chapter 20 DLPs D300 to D399
DLP- D329 Install 120-Ohm E-1 Cables with DB-37 Connectors to the FMECs
DLP-D329 Install 120-Ohm E-1 Cables with DB-37 Connectors to the FMECs
Step 1
Prepare two DB-37 cables for each FMEC-DS1/E1 card that you will install in the shelf assembly.
The connection from the E-1 37-pin DB connector for Ports 1 to 7 to the external balanced 120-ohm
E-1 interfaces must be done according to
.
The connection from the E-1 37-pin DB connector for Ports 8 to 14 to the external balanced 120-ohm
E-1 interfaces must be done according to
.
Purpose
This task installs the 120-ohm E-1 cables on the FMEC-DS1/E1 card.
Tools/Equipment
Twisted-pair cables with DB-37 connectors
Prerequisite Procedures
NTP-D220 Install the Power and Signal FMECs, page 1-7
Required/As Needed
As needed
Onsite/Remote
Onsite
Security Level
None
Table 20-4
Pinout for E-1 Interfaces on Ports 1 to 7
Pin No.
Signal Name
Pin No.
Signal Name
1
GND
20
RX 7 P
2
TX 7 P
21
RX 7 N
3
TX 7 N
22
GND
4
TX 6 P
23
RX 6 P
5
TX 6 N
24
RX 6 N
6
GND
25
RX 5 P
7
TX 5 P
26
RX 5 N
8
TX 5 N
27
GND
9
TX 4 P
28
RX 4 P
10
TX 4 N
29
RX 4 N
11
GND
30
RX 3 P
12
TX 3 P
31
RX 3 N
13
TX 3 N
32
GND
14
TX 2 P
33
RX 2 P
15
TX 2 N
34
RX 2 N
16
GND
35
RX 1 P
17
TX 1 P
36
RX 1 N
18
TX 1 N
37
GND
19
GND
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Содержание ONS 15454 SDH
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