Black Box LRU4240 - Manual (Page 102)

90 SALES: 0870 90 10 750 Dual Trunk E1 Router User’s Guide
Dual Trunk E1 Router
N
ETWORK
P
ROBLEMS
Some invalid data is received
mixed in with a mostly good menu
display. • Refresh screen image.
• 1 or more units are missing at ID,
or two units have the same ID.
• To refresh screen, press
Ctrl -L.
• Reduce the baud rate on the units
and terminal if you are using the
maximum (38400 baud) for
communicating with a very large
number of units.
• If the cable from the network to the
terminal exceeds the 15 m (50 ft.)
maximum, fix the length.
• Verify that none of the units are
missing an ID and that no two units
have the same unit ID.
Table 11-2 Network Problems (1 of 4)
Symptom Probable Cause Solution
The unit experiences a loss of
signal or a loss of frame on the
Network Port. • Equipment Failure • Test E1.
• Apply hardware loop to front of
unit.
Table 11-1 Unit Problems (4 of 4)
Symptom Probable Cause Solution