451-0308
MRV Communications, Inc.
www.mrv.com
57
Appendix D - Cabling the LX-4000 Series
Figure 25 shows serial DB-25 pin assignments.
Figure 25 - DB-25 Pins
9
Unused
10
Unused
11
Unused
12
Unused
13
Unused
14
Unused
15
Unused
16
Unused
17
Unused
18
Unused
19
Unused
20
Data Terminal Ready
21
Unused
22
Ring Indicate
23
Unused
24
Unused
25
Unused
14
DB-25
(Male)
DB-25
(Female)
25
1
13
25
14
13
1