APPENDIX F: Cabling and Pin Assignments
91
Pin assignments for the COMPOSITE connector
configured for RS-530 signal levels are shown in Figure
F-5. Use a crossover cable (order code EHN073-005M)
with male terminations at each end to connect to an
X.21 DCE device. See Figure F-8.
DB25 CONNECTOR
P1 (MALE)
DB15 CONNECTOR
P2 (FEMALE)
2
14
3
16
8
10
4
19
24
11
4
11
2
9
3
10
5
12
6
13
TO MULTISERVER
COMPOSITE CONNECTOR
DTE-TST (B)
DTE-TST (A)
RTS (B)
RTS (A)
RLSD (B)
RLSD (A)
RD (B)
RD (A)
TD (B)
TD (A)
DCE-RST (B)
DCE-RST (A)
RLSD (B)
RLSD (A)
RTS (B)
RTS (A)
TD (B)
TD (A)
RD (B)
RD (A)
7
1
8
1
SIGNAL GROUND
SHIELD
SHIELD
SIGNAL GROUND
TO DCE
INTERFACE
PIN 1
Figure F-8. RS-530-to-X.21 DCE Crossover Cable.