
5
Figure
5-1.
Common
Status
Registers
*
The
questionable
and
operation
status
trees
are
described
in
\:ST
A
Tus
Commands".
Note
Unused
bits
in
any
of
the
registers
return
0
when
you
read
them.
SRQ,
The
Service
Request
A
service
request
(SRQ)
occurs
when
a
bit
in
the
Status
Byte
register
goes
from
0
!
1
AND
the
corresponding
bit
in
the
Service
Request
Enable
Mask
is
set.
The
Request
Service
(RQS)
bit
is
set
to
1
at
the
same
time
that
the
SRQ
is
caused.
This
bit
can
only
be
reset
by
reading
it
by
a
serial
poll.
The
RQS
bit
is
5-6
Remote
Commands
Summary of Contents for 8167A
Page 2: ......
Page 4: ......
Page 26: ......
Page 110: ......
Page 130: ......
Page 150: ......
Page 164: ...D Figure D 1 Test Setup for the Wavelength Tests D 4 Performance Tests ...
Page 177: ...D Figure D 5 Test Setup for the Source Spontaneous Emission Test Performance Tests D 17 ...
Page 240: ......