HP 800 HP DTC Cabling and Racking Guide - Page 99

Adapting to an ATT258A cabling system

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9 Adapting to an ATT258A cabling system 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 26 1 27 2 28 3 29 4 30 5 31 6 32 7 33 8 34 9 35 10 36 11 37 Port number RS-423/RS232 signal P0 - RTS P0 - CTS P0 - RXa/RD P0 - RXb/P0 - TXa/TD P0 - TXb/SGND P1 - RTS P1 - CTS P1 - RXa/RD P1 - RXb/P1 - TXa/TD P1 - TXb/SGND P2 - RTS P2 - CTS P2 - RXa/RD P2 - RXb/P2 - TXa/TD P2 - TXb/SGND P3 - RTS P3 - CTS P3 - RXa/RD P3 - RXb/P3 - TXa/TD Jumpers ATT258A Pin # on 50-pin connector 26 1 27 2 28 3 29 4 30 5 31 6 32 7 33 8 34 9 35 10 36 11 37 12 38 13 39 14 40 Port number RS-423/RS-232 signal P0 - RTS P0 - CTS P0 - RXa/RD P0 - RXb/P0 - TXa/TD P0 - TXb/SGND P0 - Not Used P0 - Not Used P1 - RTS P1 - CTS P1 - RXa/RD P1 - RXb/P1 - TXa/TD P1 - TXb/SGND P1 - Not Used P1 - Not Used P2 - RTS P2 - CTS P2 - RXa/RD P2 - RXb/P2 - TXa/TD P2 - TXb/SGND P2 - Not Used P2 - Not Used P3 - RTS P3 - CTS P3 - RXa/RD P3 - RXb/P3 - TXa/TD Pin # on RJ45 connector 5 4 1 2 3 6 7 8 5 4 1 2 3 6 7 8 5 4 1 2 3 6 7 8 5 4 1 2 3 93

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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