MULTISERVER 500
90
Pin assignments for the COMPOSITE and DATA
CHANNEL connectors configured for RS-530 signal
levels are shown in Figure F-5. Use a crossover cable
(order number EHN075-005M) with male
terminations at each end to connect to an RS-449
DCE device. See Figure F-7.
RS-530-to-X.21 DCE Crossover Cable
DB25 CONNECTOR
P1 (MALE)
DB37 CONNECTOR
P2 (MALE)
DTE-RSET (B)
TT (A)
DCE-RSET (B)
2
14
3
16
4
19
6
22
8
10
6
24
4
22
13
31
12
30
7
25
RLSD (B)
RLSD (A)
DCER (B)
DCER (A)
RTS (B)
RTS (A)
RD (B)
RD (A)
TD (B)
TD (A)
RS (B)
RS (A)
TR (B)
TR (A)
RR (B)
RR (A)
SD (B)
SD (A)
RD (B)
17
9
17
35
TT (B)
TO MULTISERVER
COMPOSITE CONNECTOR
TM
TO DTE
INTERFACE
18
21
20
23
24
11
1
7
5
23
11
29
8
26
1
19
SIGNAL GND
SHIELD
DTE-TSET (B)
DTE-TSET (A)
DTER (B)
DTER (A)
DTE-RSET (B)
DTE-RSET (A)
SIGNAL GROUND
SHIELD
RT (B)
RT (A)
DM (B)
DM (A)
ST (B)
ST (A)
18
25
20
37
SC
RC
TM.
RD (A)
PIN 1
Figure F-7. RS-530-to-RS-449 DCE Crossover Cable.