User`s guide

Vector ZCB Single Board COmputer
Synchronous
Rates
Synch detect
Clock
parity
D::lta bits
Sync character
Parallel Pc>rts
Pc>rt .Addresses
Latching
Signal level
Number of lines
D::lta transfer
cable
Rev. I-B 6/11/80
OC-56K.
can be wired for internal or external synch.
8251 SYND~ line is not connected.
tbt now connected to the external 'WOrld as required
for synchronous operation.
Even, odd, or none, pr<XJrammable
5 - 8, programmable
Single or double synch dlaracter can be prcgraIrllred.
2-8 bit, 2-4 bit can be prograrrured as 3-8 bit. Uses
an 8255 parallel I/O controller dlip.
Any increment of four fran DOH to FFH. Preset
addresses are: FOrt A, OSH; FOrt B, 09H; FOrt C, DAB
and the Control Status Register at OBH.
OUtput latched, input not latched.
Tl'L (input = 1 low };X)wer Tl'L load; output drives 1 'ITL
load) •
8 lines per channel, programmable for input or output.
+5 VDC and GND are also provided.
Over lOOK bytes/second.
Optional. Has 34-pin fenale connector and 34-line
ribbon cable. tb connector is at the other end,
allowing user to COnfigure as required. Must be
ordered separately.