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Chapter 5 Handling the CU-200 (Option)
137
5.6 Interface Specifications
[ 1 ] Interface Connector and Pin Assignment
CU-201
The CU-201 has an RS-232C interface port (Dsub-9P).
RS-232C interface port (Dsub-9P) on the CU-201
Pin No.
Signal
Functions
Signal Input/Output
CU-201 External device
2 RD
Receive
data
←
3 SD
Send
data
→
4
ER
Data terminal equipment ready
→
5 SG
Signal
ground
—
6
DR
Data set ready
—
7
RS
Request to send
—
8
CS
Ready to send
—
The input/output voltage threshold for the logical valued signal is listed below.
Logical Value
Input Voltage Threshold
Output Voltage Threshold
0 3V
≤
n
≤
15V
5V min.
1 -15V
≤
n
≤
-3V
-5V max.
CU-221
The CU-221 has a Full-Speed USB 1.1-capable port (Series B
receptacle).
Содержание BHT-200Q
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