E
T
H
1
E
T
H
2
E
T
H
3
L
A
M
P
1
L
A
M
P
2
N
M
_
E
T
H
1
S
E
R
IA
L
N
M
_
E
TH
2
EFI
E
T
H
1
E
T
H
2
E
T
H
3
L
A
M
P
1
L
A
M
P
2
N
M
_
E
T
H
1
S
E
R
IA
L
N
M
_
E
TH
2
EFI
AUX
STAT
PROG
AUX
STAT
PROG
E
T
H
1
E
T
H
2
E
TH
3
L
A
M
P
1
L
A
M
P
2
N
M
_
E
T
H
1
S
E
R
IA
L
N
M
_
E
T
H
2
EFI
E
T
H
1
E
T
H
2
E
TH
3
L
A
M
P
1
L
A
M
P
2
N
M
_
E
T
H
1
S
E
R
IA
L
N
M
_
E
T
H
2
EFI
99
2 NM Cable Connections
Master/Slave Mode-- Scenarios with Multiple NEs
b
NMS computer
NE1
T64/T32 subrack
Master subrack
T16 subrack
Slave subrack
T16 subrack
Slave subrack
T64/T32 subrack
Slave subrack
NE 2
6800 subrack
Master subrack
6800 subrack
Slave subrack
T16 subrack
Slave subrack
T16 subrack
Slave subrack
E
T
H
1
E
T
H
2
E
T
H
3
L
A
M
P
1
L
A
M
P
2
N
M
_
E
T
H
1
S
E
R
IA
L
N
M
_
E
T
H
2
EFI
E
T
H
1
E
T
H
2
E
T
H
3
L
A
M
P
1
L
A
M
P
2
N
M
_
E
T
H
1
S
E
R
IA
L
N
M
_
E
T
H
2
EFI
AUX
STAT
PROG
AUX
STAT
PROG
E
T
H
1
E
T
H
2
E
T
H
3
L
A
M
P
1
L
A
M
P
2
N
M
_
E
T
H
1
S
E
R
IA
L
N
M
_
E
T
H
2
EFI
E
T
H
1
E
T
H
2
E
T
H
3
L
A
M
P
1
L
A
M
P
2
N
M
_
E
T
H
1
S
E
R
IA
L
N
M
_
E
T
H
2
EFI
NE1
T64/T32 subrack
Master subrack
T16 subrack
Slave subrack
T16 subrack
Slave subrack
T64/T32 subrack
Slave subrack
NMS computer
NE 2
6800 subrack
Master subrack
6800 subrack
Slave subrack
T16 subrack
Slave subrack
T16 subrack
Slave subrack
N
M
_
ET
H
1
N
M
_
ET
H
2
ET
H
1
ET
H
2
N
M
_
ET
H
1
N
M
_
ET
H
2
ET
H
1
ET
H
2
N
M
_
ET
H
1
N
M
_
ET
H
2
ET
H
1
ET
H
2
N
M
_
ET
H
1
N
M
_
ET
H
2
ET
H
1
ET
H
2
Tree-Like Connections:
Ring-Like
Connections
NOTE
The following figure shows an example to illustrate the NM cable connections. In
practice, any of these subracks can be used as the master subrack.
The NM cables
are connected in a similar way in multi-subrack configurations although the number of
connected subracks may differ.