A.5.4 Engineering Labels for Trunk Cables
This section describes the engineering labels for trunk cables, including the labels for the
cables between devices and the labels for the cables between a device and an MDF.
There are two types of labels for trunk cables:
l
Labels for the cables between devices. For example, the label for the cable between a
trunk board and a built-in transmission device and the label for the cable between two
trunk boards. Attach labels to both ends of the cable to indicate the locations of the cable
on both devices or on both trunk boards of a device.
l
Labels for the cables between the device and a DDF. Attach labels to both ends of the
cable to indicate the locations of the cable on the device and DDF.
The trunk cables are 75Ω/120Ω E1 cable, 100Ω T1 cable, 34M, 45M, 140M, and 155M
cables, and 120Ω to 75Ω trunk cables.
A.5.4.1 Engineering Labels for Trunk Cables Between Devices
Label Interpretation
describes the engineering labels for trunk cables between devices.
Table A-48
Contents of engineering labels for trunk cables between devices
Content
Meaning
Example
MN-B-C-D-
R/T
MN: cabinet
number
A01.
B: chassis
number
Numbered bottom to top with two digits, such as 01.
C: physical slot
number
Numbered left to right and top to bottom with two
digits, such as 01.
D: interface
number
Numbered top to bottom and left to right with two
digits, such as 01.
R: optical
receiving
interface, T:
optical transmit
interface.
-
MN-B-C-D-
R/T
MN: cabinet
number
A01.
B: chassis
number
Numbered bottom to top with two digits, such as 01.
C: physical slot
number
Numbered left to right and top to bottom with two
digits, such as 01.
HUAWEI USG9500 Series
Hardware Guide
A Appendix
Issue 03 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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