user manual

Port Configuration Diagrams
http://www.motorola.com/computer/literature 5-23
5
Figure 5-6. EIA-530 DCE Port Configuration (Ports 3 and 4)
Z85230 SCC
Z8536 CIO
DB25
TXD
RTS_
RXD
CTS_
RTXC
TRXC
DSR_
DTR_
LL_
RL_
DCD_
RI_
TM_
+
-
+
-
+
-
+
-
+
-
-V
-V
RXDB
CTSB
TXDB
RTSB
DTRB
TXCB
RXCB
ETXCB
DCDB
TM
RI
DSRB
RL
LL
GND
RXDA
CTSA
TXDA
RTSA
DTRA
TXCA
RXCA
ETXCA
DCDA
DSRA
J3/MX
20
15
17
25
26
21
18
7
3
5
2
16
13
14
4
19
23
12
9
24
11
8
10
6
22
20
15
17
+
-
2108 971
0
EIA-530-D DCE SIM
J8, J9
3
2
1
Transition Module
CPX750HATM
CPX750