Comtech EF Data SDM-9220 User Manual

Page 127

Troubleshooting Tips

Memotec Inc.

8-3

Console connection
does not work, with:

POWER

LED green

STATUS

LED amber

ALARM

LED any

state

Incorrect cable connection

Make sure you are using
the factory-supplied con-
sole cable

Make sure the cable is
properly plugged into the
CONSOLE

port and the

console terminal COM port

HyperTerminal communica-
tions program

Change Emulation param-
eter setting from Auto
detect

to ANSI (see

)

Incorrect modem setting

Set the modem to ignore
DTR: execute the AT com-
mand at&d0

Set the modem to Auto

Answer mode: execute

ats0=1

Console terminal dis-
plays unreadable
characters

Console terminal was not
set to the default console
speed before startup

Set your console terminal
emulator to 9600 bps, and
start again

LAN connection does
not work

No power to LAN hub

Make sure the power outlet
has power

Make sure the LAN hub is
properly plugged in and
switched on

Incorrect cable connection

If LINK LED is off, check
LAN cable and replace if
damaged

If LINK LED is on, make
sure you are using the cor-
rect IP address for trans-
missions

Symptom

Possible Problem

Solution

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