CCN:-IUNICATIONS
SECTION 6,7
6,7.6,2
VER.VOfJf
Fig 6. 12 RECEIVE BUFFER
Comms
Channel
Receive
I/F
Buffer
A
fuffer B
Filling buffer
A, emptying buffer B.
Comms
Channel
Receive
I/F
fuffer
A
fuffer B
Filling buffer B, emptying buffer A.
Basic receive
Prog.
Basic receive
Prog,
As with the transmit buffer arrangement, one buffer is being
filled from the communications line while the other is being
emptied by the user program,
Data Format
HUNTER is able to accommodate 2780 protocol as both fixed and
variable block lengths, Also, 3780 is accommodated,
It is possible to configure the bisync emulator to provide very
flexible interfacing for a variety of different host machines.
Standard configurations can be made for:
a) 2780 with variable record length
b) 2780 with fixed record. length
c) 3780
The block sizes and
record sizes can be adjusted for
compatibility and maximum throughput on the communication
channel,
PAGE 6 - 2.9
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