93
Adapting to an ATT258A cabling system
9
Adapting to an ATT258A cabling system
The ATT258A cabling system uses 8 wires per port and provides 6 ports per 25 pair
cables (or 50-pin telco-like connectors).
The following table provides a cabling conversion using cross connect blocks
(punch down blocks) from ATT356A to ATT258A.
DTC Pin # on
50-pin
connector
Port number -
RS-423/RS232
signal
Jumpers
ATT258A
Pin # on
50-pin
connector
Port number -
RS-423/RS-232
signal
Pin # on RJ45
connector
26 P0 - RTS <---------> 26 P0 - RTS 5
1 P0 - CTS <---------> 1 P0 - CTS 4
27 P0 - RXa/RD <---------> 27 P0 - RXa/RD 1
2 P0 - RXb/- <---------> 2 P0 - RXb/- 2
28 P0 - TXa/TD <---------> 28 P0 - TXa/TD 3
3 P0 - TXb/SGND <---------> 3 P0 - TXb/SGND 6
29 P0 - Not Used 7
4 P0 - Not Used 8
29 P1 - RTS <---------> 30 P1 - RTS 5
4 P1 - CTS <---------> 5 P1 - CTS 4
30 P1 - RXa/RD <---------> 31 P1 - RXa/RD 1
5 P1 - RXb/- <---------> 6 P1 - RXb/- 2
31 P1 - TXa/TD <---------> 32 P1 - TXa/TD 3
6 P1 - TXb/SGND <---------> 7 P1 - TXb/SGND 6
33 P1 - Not Used 7
8 P1 - Not Used 8
32 P2 - RTS <---------> 34 P2 - RTS 5
7 P2 - CTS <---------> 9 P2 - CTS 4
33 P2 - RXa/RD <---------> 35 P2 - RXa/RD 1
8 P2 - RXb/- <---------> 10 P2 - RXb/- 2
34 P2 - TXa/TD <---------> 36 P2 - TXa/TD 3
9 P2 - TXb/SGND <---------> 11 P2 - TXb/SGND 6
37 P2 - Not Used 7
12 P2 - Not Used 8
35 P3 - RTS <---------> 38 P3 - RTS 5
10 P3 - CTS <---------> 13 P3 - CTS 4
36 P3 - RXa/RD <---------> 39 P3 - RXa/RD 1
11 P3 - RXb/- <---------> 14 P3 - RXb/- 2
37 P3 - TXa/TD <---------> 40 P3 - TXa/TD 3
To Next Page
Loading...
Need help?
General