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Appendix B
Cabling Specifications
This appendix provides interface-cabling guidelines for the OM 1000.
RS-232 DB9 Interface Cabling (
The OM 1000 is configured as a DTE:
Connector
DB9 male shielded connector with screw locks
type
Cable type
Shielded twisted pair
Baud rate
Port 1: 9,600 bps asynchronous (fixed), 8/N/1
Port 2: 19.2K maximum asynchronous (no sync mode), 8/N/1; Port 2 supports 300, 600,
1,200, 2,400, 9,600, and 19,200 bps
Table B-1
RS-232 DB9 Interface Connector Pinout
P i n N u m b e r
S i g n a l
1
RLSD (DCD)
2
RX
3
TX
4
DTR
5
SG (Shield)
6
DSR
7
RTS
8
CTS
9
RI
DB25 RS-232 Interface Cabling (
The OM 1000 is configured as a DTE.
Connector type
DB25 male shielded connector with screw locks
Cable type
25 conductor shielded
Bit rate
56 K maximum (sync or async)
Async: 300, 600, 1,200, 2,400, 4,800, 9,600, 19,200, 38,400, or 57,600 bps
Sync: 300 through 57,600 bps
)
2
PORT
D i r e c t i o n
D e s c r i p t i o n
In
Receive Line Signal Detector (Data Carrier
Detect)
In
Receive data
Out
Transmit data
Out
Data Terminal Ready
Signal Ground (Shield)
In
Data Set Ready
Out
Request To Send
In
Clear To Send
In
Ring Indicator
and
- Optional Module)
4
5
PORT
PORT
OM 1000 Installation and Operation Manual
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