PacComm TINY-2 - Page 37

OPERATING
INSTRUCTIONS
“Health”
Features
eRCVDRNR:
Received
RNR
frames.
Counts
the
number
of
received
Receiver
Not
Ready
(RNR)
frames.
Incremented
each
time
the
comnected station sends an RNR because it cannot take any
more frames.
eRXABORT:
Received
Aborts.
Counts
the
number
of
received
Abort
Signals.
Abort
signals
are
generated
by
the
HDLC
chip,
not
the
AX.25
firmware.
Abort
means,
in
effect,
a
cancel
frame
signal.
eRXCOUNT:
Received
frame
count.
Increases
when
any
frame
is
received
with
good
CRC
(or
any
CRC
if
PASSAI
is
turned
on).
eRXERRORS:
Received
Errors.
Increments
each
time
a
received
frame
is
thrown
out
due
to
it
being
too
short,
suffering
overmun(s),
or
it
having
a
bad
CRC.
Latter
occurs
only
when
CRC
checking
is
enabled
(i.e.
PASSAIl
is
OFF).
This
counter
will
often
increment
in the presence of noise.
eRXLENERR:
Received
Length
Error.
Receiver
detected
a
frame
less
than
15
bytes in length.
eRXRESYNC:
Receive
Resynchronization
counter.
Increments
each
time
a
difference
between
the
received
packet
length
and
the
buffer
data
length
has
been
detected,
causing
buffer
resyncronization.
eSENTFRMR:
Frame
Rejects
Sent.
Increments
for
each
Frame
Reject
frame
transmitted.
eSENTIFRA:
Information
Frames
Sent.
Increases
by
one
for
each
I
frame
sent.
eSENTREJ:
The
number
of
Frame
Rejects
Sent.
Whenever
a
REJect
frame
is
transmitted,
this
counter
is
incremented.
eSENTRNR:
The
number
of
Receive
Not
Ready
(RNR)
frames
sent.
RNR
frames
are
sent
when
the
packet
controller
is
unable
to
accept
any
more
frames,
usually
due
to
flow
control
by
the
computer.
elXCOUNT:
Frames
Transmitted
Counter.
Incremented
whenever
a
frame
is
correctly
transmitted.
we
30
Operating
Manual,
4th
Ed.
©
PacComm,
1990