HP A4500A - VMEbus Single Board Computer 744 Motherboard User Manual

92
Adapting to a 10BaseT cabling system
9
This conversion can also be achieved using RJ45 patch panels:
45 P7 - TXa/TD 3
20 P7 - TXb/SGND 6
46 P7 - RXa/RD 1
21 P7 - RXb/- 2
47 P7 - TXa/TD 3
22 P7 - TXb/SGND 6
48 P7 - RXa/RD 1
23 P7 - RXb/- 2
49 P7 - TXa/TD 3
24 P7 - TXb/SGND 6
50 P7 - RXa/RD 1
25 P7 - RXb/- 2
DTC Pin # on
50-pin
connector
Port number -
RS-423/RS232
signal
Jumpers
10BaseT
Pin # on
50-pin
connector
Port number -
RS-423/RS-232
signal
Pin # on RJ45
connector
DTC
Pin # on RJ45
connector
RS-423/RS-232
signal
10BaseT
cable
jumpers
(4 wires)
10BaseT
Pin # on RJ45
connector
RS-423/RS-232
signal
Pair
1 RXa/RD <---------> 1 RXa/RD 2
2 RXb/- <---------> 2 RXb/- 2
3 TXa/TD <---------> 3 TXa/TD 3
4 CTS 4 Not Used 1
5 RTS 5 Not Used 1
6 TXb/SGND <---------> 6 TXb/SGND 3
7 Not Used 7 Not Used 4
8 Not Used 8 Not Used 4

HP A4500A - VMEbus Single Board Computer 744 Motherboard Specifications

General

Brand	HP
Model	A4500A - VMEbus Single Board Computer 744 Motherboard
Category	Server
Language	English