User`s manual
APPENDIX A
SYNC/570 Host Adapter EIA
2321)
Interface
The
SYNC/570
has two high
density
15pin
D-subminiature female port
connectors. The connectors provide an
EIA
232D
interface and serial data
transmission and reception.
Your application may specify the cable configuration required for
connecting modems to a computer. If so, you should follow their recom-.
men&&ions.
If cable configuration is not specified, you can use the cable
types discussed below. Cables for use with synchronous modems need a
minimum of eleven wires plus a shield.
DB-15Connectors~Cabllng
The
DB-15 connectors are
compatiile
with HA-232-D devices. Figure 1
shows the
pinout
and pin assignments for the DB-15 connectors on the
SYNW570.
Figure 1,
SYNC/570
DB-15
female connector and connector pin
asgnments
\3?jj$$)6
1
Not
connected
2
Tmnsmitbd
Data
(TXD)
Gwt
3
RacoiiDakJ(RxD)
15
WJt
6
DataSetRwdy(DSR)
byut
7
SignalGmund
8 DakCuniwDetect(DCD)
Input
12
ReceiiUock(RXC)
13
Tmnsmit
Cbck
(TXq
14
TmnsmitCkekfTX~
15
DanTwminalReady(DTRj
%&
shell
CGND
-
The cables included in the SYNC/570 package have a DB-15 male connector
on the board end, and a DE25 male connector on the peripheral end. The
pinout
and pin assignments for the DB-25 connector are shown in Figure 2.
25