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A.4 engineering labels for power cables, A.4.1 labels for dc power cables, I. meaning of the label – H3C Technologies H3C S9500 Series Switches User Manual

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Installation Manual
H3C S9500 Series Routing Switches

Appendix A Engineering Labels for Cables

A-13

Figure A-12 Example of the label on the optical fiber between the device and the ODF

“ODF-G01-01-01-R” indicates that the local end of the optical fiber is connected with

the optical receiving terminal on Row 01, Column 01 of the ODF in Row G Column 01 in

the machine room.

“A01-01-05-05-R” indicates that the opposite end of the optical fiber is connected with

Optical Receiving Interface 5 on Slot 05, frame 01 in the cabinet on Row A, Column 01

in the machine room.

A.4 Engineering Labels for Power Cables

A.4.1 Labels for DC Power Cables

The labels are affixed to the DC cables that provide power for the cabinets, and the

protection grounding cables, including the -48V, PGND, and BGND cables. The labels

for DC power cables are affixed to one side of the identification plates on cable ties.

I. Meaning of the label

Table A-5 shows the information carried on the labels for the DC power cables:

Table A-5 Information on labels affixed to the DC power cables

Content

Meaning

MN(BC)--48V1

MN(BC)--48V2

MN(BC)-BGND

MN(BC)-PGND

MN(BC): BC is written right under MN.

On the loaded cabinet side, only MN is used to identify the
cabinet.

On the power cabinet side, MN identifies the row and column
number of the power distribution equipment like the control
cabinet and distribution box, BC identifies the row and
column number of the -48V connecter (if there is no row
number or column number, or the connecter can be identified
without them, BC can be omitted). BGND and PGND have no
row and column number for identification.

The label only carries location information about the opposite equipment, the control

cabinet or the distribution box, while information of the local end is not necessary. Table

A-5ists the information of two -48V power supplies on the label. The information for

other DC voltages (such as 24V, 60V) should be given in similar methods.