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Table 46
NT1R03AA 50-pin four-port cable pinout (IPE Module)
From
To
DB-50
DB-25
1
7
2
2
3
4
4
6
5
7
6
2
7
4
8
6
9
7
10
2
11
4
12
6
13
15
14
22
15
7
16
2
17
4
18
6
19
15
20
22
From
To
DB-50
DB-15
21
2
22
3
23
5
24
6
25
Note: Pins 21Ð24 and 46Ð49 of the NT1R03AA cable connect to pins 2, 3, 5, 6, 9, 10, 12,
and 13 of the DB-15 Ethernet connector.
Port
Signal
name
1
GND1
1
TXD1
1
RTS1
1
DSR1
3
GND3
3
TXD3
3
RTS3
3
DSR3
5
GND5
5
TXD5
5
RTS5
5
DSR5
5
TXCI5
5
RI5
7
GND7
7
TXD7
7
RTS7
7
DSR7
7
TXCI7
7
RI7
Port
Signal
name
Ethernet
C+
Ethernet
T+
Ethernet
R+
Ethernet
SG
FGND
FGND
Meridian Link Release 5C/CCR Release 3C Installation and Upgrade Guide
Chapter 9: Meridian Link/CCR interface cabling 159
From
To
DB-50
DB-25
26
8
27
3
28
5
29
20
30
8
31
3
32
5
33
20
34
8
35
3
36
5
37
20
38
17
39
24
40
8
41
3
42
5
43
20
44
17
45
24
From
To
DB-50
DB-15
46
9
47
10
48
12
49
13
50
Port
Signal
name
1
DCD1
1
RXD1
1
CTS1
1
DTR1
3
DCD3
3
RXD3
3
CTS3
3
DTR3
5
DCD5
5
RXD5
5
CTS5
5
DTR5
5
RXCI5
5
TXCO5
7
DCD7
7
RXD7
7
CTS7
7
DTR7
7
RXCI7
7
TXCO7
Port
Signal
name
Ethernet
C-
Ethernet
T-
Ethernet
R-
Ethernet
+12VF
FGND
FGND
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