47
2 Standard Engineering Labels
Name Content Example Remarks
Labels for
power cables
MN(BC) - -48V1
MN(BC) - -48V2
MN(BC) - BGND
MN(BC) - PGND
MN (BC): BC is written right
under MN. On the loaded open
rack side: MN identifies the row
and column number of the power
distribution facilities such as the
control open rack and power
distribution box. BC identifies the
row and column number of the –
48 V connecter. BGND and
PGND are not assigned rows or
columns for identification.
On the power distribution cabinet
side: Only MN is required to
indicate the open rack number.
Labels for
external cables
to an alarm
box
MN
MN identifies the row and column
number of an open rack.
Rows are numbered from A to Z
from front to back. Columns are
numbered from 01 to 99 from left
to right.
Labels for
Ethernet
cables
MN-A-B
MN identifies the row and column
number of an open rack.
A is a two-digit number that
indicates the position of a subrack
in an open rack. Subracks are
numbered from bottom to up.
B is a two-digit number that
indicates the Ethernet port.
Ethernet ports are numbered top
down and from left to right.
Labels for the
fiber used to
connect two
equipment
MN-A-B-C-D
MN identifies the row and column
number of an open rack.
A is a two-digit number that
indicates the position of a subrack
in an open rack. Subracks are
numbered from bottom to up.
B identifies the slot number.
C identifies the board name.
D identifies the optical port name.
Labels for the
fiber that
connects the
equipment to
the ODF
MN-A-B-C-D
MN identifies the row and column
number of an open rack.
A is a two-digit number that
indicates the position of a subrack
in an open rack. Subracks are
numbered from bottom to up.
B identifies the slot number.
C identifies the board name.
D identifies the optical port name.
ODF-MN-A-B-C
MN identifies the row and column
number of an ODF.
A identifies the number of the
ODF frame.
B identifies the row number of a
terminal.
C identifies the column number of
a terminal.
A label on the
loaded open rack
side, which
contains
information about
the position of the
cable on the
power distribution
cabinet.
A label on the
power distribution
cabinet side, which
contains
information about
the position of the
cable on the
loaded open rack
side.
TO:
A01 -48V2
B08
TO:
B03 -48V2
A01
A
4 L4G IN
04
ODF
B02
03
02
0
01
LOG
A01 4 LOG OUT
01 A02 02
0
01
B
M40
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