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Channel data rates
· 300 bits/ sec to 3000 bits/ sec
Code level: 5, 6, 7, or 8 bits/character
Character format: start/ stop bit asychronous;
one stop bit (minimum).
Compatible digital subsets: 202A; 202B.
Bipolar voltage interface.
Word Buffer Unit
2 simplex channels/module
2 half-duplex channels/module
1 full-duplex channel/module
Channel data rates (bits/sec)
1200
1800
2000
2400
3000
Code level: 20 bits
Character format: start/ stop bit asychronous;
one stop bit (minimum).
Compatible digital subsets: 202A; 202B.
Bipolar voltage interface.
Receive Character Parallel Buffer Unit
2 uni ts/ module
Up to 14 bits parallel
Receive only
Answer back capability
Up to 13, 000 characters/ second
Compatible digital subsets: 401B; 401F; 402B.
CONTROLLER SELECTOR UNIT
Maximum transfer rate
Data transfer cycle time
DATANET-30 memory interrupt time
Execute status request
28, 800 words/ sec
17 .34 microseconds
7 microseconds/word
28 - 70 microseconds
WJ&lr&~~lj~ ~@------------
B-3
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