HP A4500A - VMEbus Single Board Computer 744 Motherboard Manual page 94

9 Adapting to ATT356A cabling system
DTC Pin # on Port number -
50-pin RS-423/RS232
connector signal
13 P4 - CTS
39 P4 - RXa/RD
14 P4 - RXb/-
40 P4 - TXa/TD
15 P4 - TXb/SGND
41 P5 - RTS
16 P5 - CTS
42 P5 - RXa/RD
17 P5 - RXb/-
43 P5 - TXa/TD
18 P5 - TXb/SGND
44 P6 - RTS
19 P6 - CTS
45 P6 - RXa/RD
20 P6 - RXb/-
46 P6 - TXa/TD
21 P6 - TXb/SGND
47 P7 - RTS
22 P7 - CTS
48 P7 - RXa/RD
23 P7 - RXb/-
49 P7 - TXa/TD
24 P7 - TXb/SGND
50 Not Used
25 Not Used
88
ATT356A
Pin # on
Jumpers
50-pin
connector
<---------> 13
<---------> 39
<---------> 14
<---------> 40
<---------> 15
<---------> 41
<---------> 16
<---------> 42
<---------> 17
<---------> 43
<---------> 18
<---------> 44
<---------> 19
<---------> 45
<---------> 20
<---------> 46
<---------> 21
<---------> 47
<---------> 22
<---------> 48
<---------> 23
<---------> 49
<---------> 24
<---------> 50
<---------> 25
Port number -
Pin # on RJ45
RS-423/RS-232
connector
signal
P4 - CTS 4
P4 - RXa/RD 1
P4 - RXb/- 2
P4 - TXa/TD 3
P4 - TXb/SGND 6
P5 - RTS
P5 - CTS
P5 - RXa/RD
P5 - RXb/-
P5 - TXa/TD
P5 - TXb/SGND
P6 - RTS
P6 - CTS
P6 - RXa/RD
P6 - RXb/-
P6 - TXa/TD
P6 - TXb/SGND
P7 - RTS
P7 - CTS
P7 - RXa/RD
P7 - RXb/-
P7 - TXa/TD
P7 - TXb/SGND
Not Used
Not Used