HP 800 HP DTC Cabling and Racking Guide - Page 93

Adapting to ATT356A cabling system

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9 Adapting to ATT356A cabling system Adapting to ATT356A cabling system ATT356A is a cabling system using 6 wires per port and provides 8 ports per 25 pair cables (or 50-pin telco-like connectors). The DTC is directly compatible with the ATT356A cabling system, providing 8 direct connect RS-232 or RS-423 ports on a 50-pin connector. The following table shows a cabling conversion using cross connect blocks (punch down blocks). 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 12 38 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 P3 - TXb/SGND P4 - RTS Jumpers ATT356A 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 Port number RS-423/RS-232 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 P3 - TXb/SGND P4 - RTS Pin # on RJ45 connector 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 4 1 2 3 6 5 87

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Adapting to ATT356A cabling system
9
Adapting to ATT356A cabling system
ATT356A is a cabling system using 6 wires per port and provides 8 ports per 25 pair
cables (or 50-pin telco-like connectors).
The DTC is directly compatible with the ATT356A cabling system, providing 8
direct connect RS-232 or RS-423 ports on a 50-pin connector. The following table
shows a cabling conversion using cross connect blocks (punch down blocks).
DTC Pin # on
50-pin
connector
Port number -
RS-423/RS232
signal
Jumpers
ATT356A
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
P1 - RTS
<--------->
29
P1 - RTS
5
4
P1 - CTS
<--------->
4
P1 - CTS
4
30
P1 - RXa/RD
<--------->
30
P1 - RXa/RD
1
5
P1 - RXb/-
<--------->
5
P1 - RXb/-
2
31
P1 - TXa/TD
<--------->
31
P1 - TXa/TD
3
6
P1 - TXb/SGND
<--------->
6
P1 - TXb/SGND
6
32
P2 - RTS
<--------->
32
P2 - RTS
5
7
P2 - CTS
<--------->
7
P2 - CTS
4
33
P2 - RXa/RD
<--------->
33
P2 - RXa/RD
1
8
P2 - RXb/-
<--------->
8
P2 - RXb/-
2
34
P2 - TXa/TD
<--------->
34
P2 - TXa/TD
3
9
P2 - TXb/SGND
<--------->
9
P2 - TXb/SGND
6
35
P3 - RTS
<--------->
35
P3 - RTS
5
10
P3 - CTS
<--------->
10
P3 - CTS
4
36
P3 - RXa/RD
<--------->
36
P3 - RXa/RD
1
11
P3 - RXb/-
<--------->
11
P3 - RXb/-
2
37
P3 - TXa/TD
<--------->
37
P3 - TXa/TD
3
12
P3 - TXb/SGND
<--------->
12
P3 - TXb/SGND
6
38
P4 - RTS
<--------->
38
P4 - RTS
5