Specifications
Diagnostic
Support
MicroVAX Diagnostic Monitor
Self-tests
Related
Documentation
EK-CABI6-UG
EK-CABI6-TM
Revision 2.3
and
later
Yes
CXAI6/CXBI6 User's Guide
CXAI61CXBI6 Technical
Manual
2.2.1.2 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 which can operate
over longer distances
than
those
of
the
CXA16
lines, due to RS422 support.
Functional
Information
Supported line interfaces
Split speed operation
Flow control
(XONIXOFF)
Supported
data
formats
Modem control
EIA
RS-422-NCCITT
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
bits,
and
1 stop
bit
• 5
data
bits, 0
or
1
parity
bits,
and
1.5 stop
bits
• 6, 7, or 8
data
bits, 0
or
1
parity
bits,
and
2
stop
bits
Parity,
if
enabled,
can
be
either
odd
or
even.
None
2-20
MicroVAX 3400 VAXserver 3400 Technical Information