NEC NDA-24233 User Manual
Page 1-2
NDA-24233 Issue 2
Chapter 1
VisuaLink 128/384 Engineering Guide
1.3 Physical/Electrical lnterface
The external control port is at the back of the VisuaLink and uses DIN8 pin connectors. The maximum length
of the control cable shall be no more than 20 ft. (6.1 meter) due to electric characteristics. Connector pin
positions are as follows:
of the control cable shall be no more than 20 ft. (6.1 meter) due to electric characteristics. Connector pin
positions are as follows:
Note: Directions of signals are output from VisuaLink.
NO
Name
Direction
Features
1
RS
OUT
Request to Send
2
CS
IN
Clear to Send
3
SD
OUT
Send Data
4
GND
-
Signal Ground
5
RD
IN
Receive Data
6
7
DTK
OUT
Data Terminal Ready
8
DSR
IN
Data Set Ready