APPENDIX B — CABLING SPECIFICATIONS
54
DB25 RS-530 Interface Cabling
RS530 serial cables for use with the OM 2000 can be purchased from Motorola. The
RS530 cable part numbers are:
•
RS530 Cable type 1 DSR to OM 2000 PN: 523807-002-00
•
RS530 Cable type 2 Standard RS530 PN: 471372-003-00
The OM 2000 is configured as a DTE.
Connector type
DB25 male shielded connector with screw locks
Cable type
25 conductor shielded
Bit rate
56 K maximum async/2 Mbps sync
Async: 300, 600, 1200, 2400, 4800, 9600, 19200, 38400,
or 57600 bps
Sync: 50000 through 2005000 bps (Refer to
Table B-2 — DB25 RS-530 interface connector pinout
Pin Number
Signal
Direction
Description
1
SHIELD Shield Chassis
ground
2
BA
+
Out
Transmit data
+
3
BB
+
In
Receive data
+
4
CA
+
Out
Request to send
+
5
CB
+
In
Clear to send
+
6
CC In
DCE
ready
7
AB Ground
Chassis
ground
8
CF
+
In
Receive line signal detect
+
9
DD In Receiver
clock
10
CF
In
Receive line signal detect
11
DA No
connection
12
DB
−
In
Transmit clock
−
13
CB
−
In
Clear to send
−
14
BA
−
Out
Transmit data
−
15
DB In Transmit
clock
