Toshiba Strara CTX Series Installation And Maintenance Manual page 196

Digital business telephone systems
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MDF PCB Wiring
To
KRONE
Network
237A
T1
1
R1
2
C1
3
D1
4
E1
5
M1
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
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28
29
30
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32
33
34
35
36
37
38
39
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41
42
43
44
45
46
47
48
49
50
1588
Figure 6-18
MDF Wiring/4-Wire Tie Line to PEMU
6-20
T1
1
R1
2
C1
3
D1
4
E1
5
M1
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
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34
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49
50
PEMU 4-Wire
#4
#3
#2
#1
M1
T1
E1
4 WIRE
CTX Wire Pair Functions
CTX, Transmit
T1, R1
CTX, Receive
C1, D1
Signalling
E1, M1
Strata CTX I&M September 2002
E1
C1
D1

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