ISDN Interfaces
5-8
Strata CTX I&M September 2002
Figure 5-6 Direct Connect Two RBTU2 PCBs for Qsig Networking
6029
Pin of one end to
of one end to of other end - each direc tion
To make a QS IG C ross-P inned Modular C ord on a existing straight through cord:
On one end only, swap Pin 1 with Pin 5 and then Pin 2 with Pin 4.
of other end - eac h direc tion
Pin1
5
2
Pin
4
Pin
QS IG R J 45 C ross P inning
T
R
T
R
T
R
T
R
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
18
F ront F ront
18
Bottom S ide Up
Connector Head
1
2
3
4
5
6
7
8
C onnec ting two R P T U2 P C Bs back-to-bac k for QS IG Networking
RPTU2
Strata CTX
RPTU2
Strata CTX
QS IG C ross-P inned, R J 45 Modular C ord
Ferrite Core per Figure 5-5
(655 ft. max. C A T 5 wire)
RJ45 JackRJ45 Jack
1
2
5
4
5
4
2
1
Pin Pin
T
R
RR
R
TT
T
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