Serial Channel Connector; Serial Channel Connector Pin Assignments - Control Data Corporation INFORMATION SYSTEMS TERMINAL II Hardware Maintenance Manual

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Serial Channel Connector
The serial channel interface provides the terminal processor
with an asynchronous full duplex, bit-serial/byte-serial
interface.
A shielded cable not to exceed 50 ft (IS m) in length
should be used. Table 2-3 shows the pin assignments.
TABLE 2-3. SERIAL CHANNEL CONNECTOR PIN ASSIGNMENTS
PIN NUMBER
SIGNAL
RJ3-l Safety Ground
RJ3-2
Send Data
RJ3-3 Received Data
RJ3-4 Request to Send
RJ3-5 Clear to Send
RJ3-6 Data Set Ready
RJ3-7 Signal Ground
RJ3-8
Carrier Detect
RJ3-20 Data Terminal Ready
Note: All unlisted (unused) pins of connector RJ3 are open.
Composite Video Connector
This BNC connector supplies a composite video signal of the
display picture that meets the RS-170 standard.
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A 75-ohm coaxial cable is recommended.
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