B-6
Cable Applications
90453-02 Rev A0
Figure B-5. NS1 Sync Board RS-422/449 Cable Configuration
DB-25
1
2
14
3
16
4
19
5
13
DB-37
1
4
22
6
24
7
25
9
27
Shield
6
22
20
23
7
8
11
29
12
30
19
13
Signal Ground
10
15
12
17
9
18
21
31
5
23
8
26
10
14
Local Loopback
24
11
25
17
35
18
Remote Loopback
Test Mode
Send Data SDB
Receive Data RDA
Receive Data RDB
Request to Send RSA
Request to Send RSB
Clear to Send CSA
Clear to Send CSB
Data Mode DMA
Data Mode DMB
Terminal Ready TRA
Terminal Ready TRB
Receiver Ready RRA
Receiver Ready RRB
Send Timing STA
Send Timing STB
Receive Timing RTA
Receive Timing RTB
Terminal Timing TTA
Terminal Timing TTB
Send Data SDA
Book Page 6 Thursday, March 27, 1997 10:55 AM
