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ISDN Interfaces
R J 45 J ac k
C onnec tor Head
Bottom S ide Up
4
5
3
6
7
2
1
8
1
Figure 5-6
Direct Connect Two RBTU2 PCBs for Qsig Networking
5-8
C onnec ting two R P T U2 P C Bs bac k-to-bac k for QS IG Networking
QS IG C ross-P inned, R J 45 Modular C ord
P in
S trata C T X
1
R P T U2
2
5
4
T
F ront
1
R
2
3
R
4
T
5
6
7
8
8
P in
1
of one end to
P in
2
of one end to
T o make a QS IG C ross-P inned Modular C ord on a existing straight through c ord:
On one end only, swap P in 1 with P in 5 and then P in 2 with P in 4.
P in
T
T
5
R
R
4
T
T
2
R
R
1
F errite C ore per F igure 5-5
(655 ft. max. C A T 5 wire)
QS IG R J 45 C ross P inning
P in
5
of other end - eac h direc tion
P in
4
of other end - eac h direc tion
S trata C T X
R P T U2
R J 45 J ac k
T
F ront
1
R
2
3
R
4
T
5
6
7
1
8
8
Strata CTX I&M September 2002
6029
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