Meridian America Link/Customer Controlled Routing User Manual
Page 178
160 Chapter 9: Meridian Link/CCR interface cabling
553-3202-210 Standard October 1998
Table 47
NT1R03BA 50-pin four-port cable pinout (IPE Module)
From
DB-50
To
DB-25
Port
Signal
name
From
DB-50
To
DB-25
Port
Signal
name
1
7
2
GND2
26
8
2
DCD2
2
2
2
TXD2
27
3
2
RXD2
3
4
2
RTS2
28
5
2
CTS2
4
6
2
DSR2
29
20
2
DTR2
5
7
4
GND4
30
8
4
DCD4
6
2
4
TXD4
31
3
4
RXD4
7
4
4
RTS4
32
5
4
CTS4
8
6
4
DSR4
33
20
4
DTR4
9
7
6
GND6
34
8
6
DCD6
10
2
6
TXD6
35
3
6
RXD6
11
4
6
RTS6
36
5
6
CTS6
12
6
6
DSR6
37
20
6
DTR6
13
15
6
TXCI6
38
17
6
RXCI6
14
22
6
RI6
39
24
6
TXCO6
15
7
8
GND8
40
8
8
DCD8
16
2
8
TXD8
41
3
8
RXD8
17
4
8
RTS8
42
5
8
CTS8
18
6
8
DSR8
43
20
8
DTR8
19
15
8
TXCI8
44
17
8
RXCI8
20
22
8
RI8
45
24
8
TXCO8
21
NC
46
NC
22
NC
47
NC
23
NC
48
NC
24
NC
49
NC
25
FGND
FGND
50
FGND
FGND