User Manual

MDS 05-4055A01, Rev. A MDS entraNET 900 System Guide (Preliminary) 89
The following is a summary of how several screens in the entraNET
Management System can be used as diagnostic tools. For information on
how to connect to the entraNET Management System See “STEP 3—
CONNECT PC TO THE MDS TRANSCEIVER” on Page 78.
Starting Information Screen
(See Starting Information Screen on Page 23)
The entraNET MS’s “home page” provides some valuable bits of data.
Probably the most important is the “Device Status” field. This one item
will tell you if the unit is showing signs of life.
If the Device Status field says “associated,” then look in the network
areas beginning with network data statistics. If it displays some other
Cannot access the
entraNET 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 “+++ [ENTER]”
c. Change the terminal’s baud rate to match the transceiver’s
Console Baud Rate.
d. Type “+++ [ENTER]”
Display on
terminal/Telnet
screen garbled
a. Verify the terminal/terminal emulator or Telnet application
is set to VT100
Cannot pass IP
data to WAN.
a. Verify your IP settings.
b. Use the PING command to test communication with
transceivers in the local radio system.
c. If successful with local PING, attempt to PING an IP unit
attached to a radio.
d. If successful with the LAN PINGs, try connecting to a
known unit in the WAN.
Wireless Retries
too high.
Possible Radio Frequency Interference—
a. If omnidirectional antennas are used, consider changing to
directional antennas. This will often limit interference to and
from other stations.
b. Try skipping some zones 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.
Password
forgotten.
a. Connect to the transceivertransceiver using a terminal
through the COM1 Port.
b. Call MDS. Get a password-resetting Authorization Key.
c. Enter the Authorization Key at the login prompt as a
password.
Table 4-2. Basic Troubleshooting with the entraNET MS
Symptom Problem/Recommended System Checks