GE MDS Mercury Series, Reference Manual

Page: 145 / 196

05-4446A01, Rev. C Mercury Reference Manual 137
The following is a summary of how you can use several screens in the
Management System as diagnostic tools. For information on how to
Table 4-2. Basic Troubleshooting Using the Management System
Symptom Problem/Recommended System Checks
Cannot access the
MS through COM1 a. Connect to unit via Telnet or Web browser.
b. Disable the serial mode for COM1
(Serial Gateway Configuration>>Com1 Serial Data
Port>>Status>>Disabled).
Or, if you know the unit’s data configuration:
a. Connect to COM 1 via a terminal set to VT100 and the
port’s data baud rate.
b. Type +++ .
c. Change the terminal’s baud rate to match the transceiver’s
Console Baud Rate.
d. Type +++ .
Display on
terminal/Telnet
screen garbled Verify the terminal/terminal emulator or Telnet application is
set to VT100.
Password forgotten a. Connect to the transceiver using a terminal through the
COM1 Port.
b. Obtain a password-resetting Authorization Key from your
factory representative.
c. At the login prompt, try the user name authcode , and enter
the Authorization Key for the password.
Remote only gets
to
Connecting
a. Check Network Name, encryption, and Device Auth Mode
settings.
b. Verify that the correct MAC address is listed in the
Approved Remotes List of the Security Configuration
Menu.
Remote only gets
to
Authenticating
Check encryption settings and security mode settings.
Cannot pass IP
data to WAN a. Verify your IP settings.
b. Use the PING command to test communication with the
transceivers in the local radio system.
c. If successful with local PING, attempt to PING an IP unit
attached to a transceiver.
d. If successful with the LAN PINGs, try connecting to a
known good unit in the WAN.
Wireless Retries
too high Possible Radio Frequency Interference:
a. If omnidirectional antennas are used, consider changing to
directional antennas. This usually limits interference to and
from other stations.
b. Try disabling channels where persistent interference is
known or suspected.
c. The installation of a filter in the antenna feedline may be
necessary. Consult the factory for further assistance.
d. Try using an antenna with a downward tilt.