Technical information
2.3.2 CXB16
Asynchronous
Multiplexer (16 lines)
The
CXB16
is
an
intelligent,
preprogrammed
serial
controller
that
can
operate
in
either
DHVll
or
DHUll
mode, depending on
the
setting
of
an
on-board switch.
The
module contains 16 multiplexed lines.
Functional
Information
Supported
line
interfaces
Split-speed
operation
Flow control (XONIXOFF)
Supported
data
formats
Modem control
Ordering
Information
CXB16-AF
BC16E-series cable
EIA RS-422-AlCCITT v.n X.27
All
lines
All
lines
16
programmable
formats
(each
with
1
start
bit)
• 5, 6, 7,
or
8
data
bits, 0
or
1
parity
bit,
and
1
stop
bit
• 5
data
bits,
0 or 1
parity
bit,
and
1.5
stop
bits
• 6, 7,
or
8
data
bits,
0
or
1
parity
bit,
and
2
stop
bits
Parity,
if
enabled,
can
be
either
odd or even.
None
Module
and
cable kit.
Includes
two 7.6-m (25-ft)
BC16D-25
cables, two H3104 cable concentrators,
and
other
accessories
required
to
install
the
option.
BC
16D-25
cable--data
only, 36-conductor,
terminated
with
36-pin
Amphenol
male
connectors
•
H3104
cable
concentrator-concentrates
eight
BC16E
cables
into
one BC16D cable;
eight
modified
modular
jacks
and
one
a6-pin
Am-
phenol
female connector
Office
cable-data
only, six-conductor,
terminated
with
modified
modular
plugs
•
BC16E-10:
3 m (10
ft)
•
BC16E-25:
7.6 m (25
ft)
•
BC16E-50:
15.2 m (50 ft)
2-28
VAX
4000 Model 300 Technical Information