PacComm TINY-2 - Page 121

TABLE
OF
CONTENTS.
TROUBLESHOOTING
17
Loopback
testing
18
Analog
toopback
18
Digital
loopback
19
General
Tests
19
Step
1:
Obvious
Problems
19
Step
2:
Power
Supply
19
Computer
Terminal
Interface
19
Packet
controller
won't
sign
on
to
the
computer.
20
The
controller
prints
only
gibberish.
20
The
controller
won't
accept
commands.
20
Other
symptoms
21
TINY-2/MICRO-2
appears
dead
a1
Modem
won't
key
transmitter.
21
Uncopyable
transmitted
packets
21
Uncopyable
received
packets
22
DCD
LED
flickers
excessively
or
stays
on
22
Transmitter
locks
in
transmit
condition
22
APPENDICES
A
Node
Interconnection
Cables
A
Dua!
TINY-2/MICRO-2
Node
A
Dual
Node,
TINY-2/MICRO-2
and
TNC-2(00)
A
Triple
Node
A
Computer
Interfacing
Diagrams
8
Computer
Interfacing
Diagrams
c
Radio
Interfacing
Diagrams
D
Radio
Interfacing
Diagrams
E
RS-232
Signal
Table
F
Bit-Shifted
ASCII
Character
Table
G
rn
iv
TINY-2/MIGRO-2
Technical
Ref.,
2
Ed
©
1989,
PacComm,
inc