
Hardware installation: Intelligent Peripheral Equipment module 4-43
Meridian MAX
Installation Guide
Product release 8
Table 4-13
NT1R03AA 50-pin four-port cable wiring
From
DB-50
To
DB-25
Port Signal
name
From
DB-50
To
DB-25
Port Signal
name
1 7 1 GND1 26 8 1 DCD1
2 2 1 TXD1 27 3 1 RXD1
3 4 1 RTS1 28 5 1 CTS1
4 6 1 DSR1 29 20 1 DTR1
5 7 3 GND3 30 8 3 DCD3
6 2 3 TXD3 31 3 3 RXD3
7 4 3 RTS3 32 5 3 CTS3
8 6 3 DSR3 33 20 3 DTR3
9 7 5 GND5 34 8 5 DCD5
10 2 5 TXD5 35 3 5 RXD5
11 4 5 RTS5 36 5 5 CTS5
12 6 5 DSR5 37 20 5 DTR5
13 15 5 TXCI5 38 17 5 RXCI5
14 22 5 RI5 39 24 5 TXCO5
15 7 7 GND7 40 8 7 DCD7
16 2 7 TXD7 41 3 7 RXD7
17 4 7 RTS7 42 5 7 CTS7
18 6 7 DSR7 43 20 7 DTR7
19 15 7 TXCI7 44 17 7 RXCI7
20 22 7 RI7 45 24 7 TXCO7
From
DB-50
To
DB-15
Port Signal
name
From
DB-50
To
DB-15
Port Signal
name
21 2 Ethernet C+ 46 9 Ethernet C-
22 3 Ethernet T+ 47 10 Ethernet T-
23 5 Ethernet R+ 48 12 Ethernet R-
24 6 Ethernet SG 49 13 Ethernet +12VF
25 FGND FGND 50 FGND FGND
Note:
The cable wiring for the NT1R03AA Ethernet connector indicated at pins 21–24 and pins
46–49 on the DB-50 connector map onto pins 2, 3, 5, and 6, and pins 9, 10, 12, and 13 of the
DB-15 Ethernet connector.
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