GE MDS Mercury Series Reference Manual page 145

05-4446A01, Rev. C
Table 4-2. Basic Troubleshooting Using the Management System
Symptom Problem/Recommended System Checks
Cannot access the a. Connect to unit via Telnet or Web browser.
MS through COM1
b. Disable the serial mode for COM1
a. Connect to COM 1 via a terminal set to VT100 and the
b. Type +++.
c. Change the terminal's baud rate to match the transceiver's
d. Type +++.
Display on Verify the terminal/terminal emulator or Telnet application is
terminal/Telnet set to VT100.
screen garbled
Password forgotten a. Connect to the transceiver using a terminal through the
b. Obtain a password-resetting Authorization Key from your
c. At the login prompt, try the user name authcode, and enter
Remote only gets a. Check Network Name, encryption, and Device Auth Mode
to Connecting
b. Verify that the correct MAC address is listed in the
Remote only gets Check encryption settings and security mode settings.
to Authenticating
Cannot pass IP a. Verify your IP settings.
data to WAN
b. Use the PING command to test communication with the
c. If successful with local PING, attempt to PING an IP unit
d. If successful with the LAN PINGs, try connecting to a
Wireless Retries Possible Radio Frequency Interference:
too high
a. If omnidirectional antennas are used, consider changing to
b. Try disabling channels where persistent interference is
c. The installation of a filter in the antenna feedline may be
d. Try using an antenna with a downward tilt.
The following is a summary of how you can use several screens in the
Management System as diagnostic tools. For information on how to
Mercury Reference Manual
(Serial Gateway Configuration>>Com1 Serial Data
Port>>Status>>Disabled).
Or, if you know the unit's data configuration:
port's data baud rate.
Console Baud Rate.
COM1 Port.
factory representative.
the Authorization Key for the password.
settings.
Approved Remotes List of the Security Configuration
Menu.
transceivers in the local radio system.
attached to a transceiver.
known good unit in the WAN.
directional antennas. This usually limits interference to and
from other stations.
known or suspected.
necessary. Consult the factory for further assistance.
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