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CONFIGURING THE HOST COMPUTER PORT
Table 3–1 RS–232–C/RS–423–A "D" Connector Pin
Interchange
Circuit
AA
AB
BA
BB
CA
CB
CC
CD
CF
DB
DD
Since the adapter will typically be operating in noisy industrial environments,
it is recommended that the cable length not exceed 50 feet.
3.2.1
Connection to DCE Equipment
Port 3 is configurable for synchronous or asynchronous modem operation, even,
odd, or no parity, and baud rates up to 38.4K bits per second. These parameters
are configured using the two dipswitch banks shown in Figure 3–3. The actual
settings are described in more detail in Paragraph 3.3.1.1.
Assignment
Connector
CCITT
Pin No.
1
101
7
102
2
103
3
104
4
105
5
106
6
107
20
108/2
8
109
15
114
17
115
Number 1
Number 2
Figure 3–3 Dipswitch Locations
3–3
Description
Protective Ground
Signal Ground
Transmitted Data
Recieve Data
Request To Send
Clear To Send
Data Set Ready
Data Terminal Ready
Recieve Line Signal Detector
Transmitter Signal
Element Timing
Reciever Signal
Element Timing
Reset
LEDs
UNILINK HOST ADAPTER
USER MANUAL
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