TMG7800 Series System Installation Guide
68
A.1
RJ48C Wiring Diagram: Crossover and Straight Cables
1
R
X
/Ring/-
2
R
X
/Tip/+
3
N
ot
Connected
4
T
X
/Ring/-
5
T
X
/Tip/+
6
N
ot
Connected
7
N
ot
Connected
8
N
ot
Connected
R
J 4
8
(T
1/E1/J1
)
W
irin
g Sch
e
m
ati
c:
Cro
ss
over
Ca
bl
e
1
8
R
X
/Ring/-
1
R
X
/Tip/+
2
N
ot
Connected
3
T
X
/Ring/-
4
T
X
/Tip/+
5
N
ot
Connected
6
N
ot
Connected
7
N
ot
Connected
8
1
R
X
/Ring/-
2
R
X
/Tip/+
3
N
ot
Connected
4
T
X
/Ring/-
5
T
X
/Tip/+
6
N
ot
Connected
7
N
ot
Connected
8
N
ot
Connected
R
J 4
8
(T
1/E1/J1
)
W
irin
g Sch
e
m
ati
c: S
trai
gh
t
Ca
bl
e
R
X
/Ring/-
1
R
X
/Tip/+
2
N
ot
Connected
3
T
X
/Ring/-
4
T
X
/Tip/+
5
N
ot
Connected
6
N
ot
Connected
7
N
ot
Connected
8