CS&S 1st Level
Troubleshooting Flowchart
for SpotCell® 2500Xe
Version 1.00
July 10, 2006
1.0
What is problem?
Spotwave W ireless,
how can I help you?
1.1 Coverage Problem
Has the system worked
OK before?
YES
What's changed?
Is the coverage
reduced, missing, or
intermittent?
1.1.1
MISSING or
INTERMITTENT
Go to
2.1 Check
Power
BEHIND
SCHEDULE
YES
Go to
2.0 Check
CU LED
Status
1.3
SCHEDULE
AN INSTALL
Product Inquiry
Could I please have your
name and phone
number?
POORLY DONE
OR INCOMPLETE
Install problem
Escalate
Is the system up and
running now?
REDUCED
Installation Issue
What's wrong with the
installation?
NO
1.1.2
Go to
2.0 Check
CU LED
Status
1.2
NOT WO RKING
AS EXPECTED
NO
Go to
5.0 Start
Up
Escalate
Escalate
Escalate
to Sales
2.0
CU LED Status
What colour is the
Status LED on the CU?
RED
OFF
GREEN
BLUE
2.2
2.1
Check power
Is the adapter plugged
into a powered AC
outlet?
YES
2.1.1
YELLOW
Normal
2.3
How many bars are lit
on the CU?
0 to 1 bars
NO
2 to 3 bars
Uplink overdrive
Check for mobile phone
nearby (within 2m).
2.4 Isolation problem
Need to increase
distance or RF barriers
between CU & DU.
Keep
mobile
phone
away from
CU.
4 to 5 bars
YES
YES
Plug in AC
adapter
2.2.1 Low isolation or RSSI
Need to improve the RF
isolation or improve the
RSSI at the DU.
2.2.2
Reduced coverage
The system will work,
but with a reduced
coverage foorprint.
Good coverage
System working fine.
Verify correct carrier is
being supported.
2.2.3
2.4.1 Problem resolved?
Has the Status LED
changed colour (no
longer green)?
Check CU power
Adapter
needs to be
replaced.
Escalate?
Is the power connected
to the CU?
Check for BIAS-T
If there a power inserter
in the system?
Escalate
YES
2.1.1.1.1.1
NO
BIAS-T power ?
Connect
power to
CU
Is the power connected
to the power inserter?
YES
Escalate
Increase
isolation or
move DU
to improve
RSSI.
NO
2.1.1.1.1
2.5.1 Was PM installed?
Escalate
Is the PM in the CU?
NO
YES
YES
NO
Check adapter
Is the AC adapter (brick)
power light on?
2.1.1.1
2.5
DU configured?
Was a Personality
Module (PM) shipped
with the system?
NO
Connect
power to
BIAS-T
Coverage may
be improved by
Escalate
Go to 2.0
CU LED
Status
NO
YES
Escalate
Escalate
NO
Insert PM
in powered
down CU
and restart.
3.0
DU LED Status
What colour is the
Status LED on the DU?
OFF
RED
BLUE
3.1
3.2
Check CU power
Go to
2.1 Check
Power
0 to 1 bars
NO
3.1.1 Cable problem?
Is it a problem with the
cable or connectors?
(4.9 Cable checklist)
YES
Tighten
connectors
or replace
cable
3.3
Overdrive
System works, but
performance could be
improved if DU moved.
How many bars are lit
on the DU?
Is the Status LED on the
CU off?
YES
Normal
3.2.1
Low RSSI
Move DU to improve
RSSI of donor signal.
3.4
Fault condition
Is it a problem with the
cable or connectors?
(cable checklist pg x)
YES
2 to 5 bars
3.2.2
RSSI good
Check CU Status.
NO
Escalate
YELLOW
Go to
2.0 CU
LED Status
Move DU
so that
LED is
blue
Tighten
connectors
or replace
cable
NO
Escalate
4.9
Cable checklist
Is the cable OK?
4.9.1 Are the connectors torqued properly (1/4 turn past finger tight)?
5.0 DU LED Sequence
Upon power up, the following Donor Unit (DU) LED sequences should occur:
1. DU will light up all LEDs (Bars - Blue, Status indicator - Fuchsia) for about 5 seconds.
4.9.2 Is there visible damage to the co nnectors?
4.9.3 Is the cable damaged or kinked?
4.9.4 What is the length of Spotwave cable between the D U and the CU?
Cable too long if cable is
RG6 non-plenum > 115 feet (35 m)
RG6 plenum > 100 feet (30 m)
RG11 non-plenum > 245 feet (75 m)
RG11 plenum > 215 feet (65 m)
2. All lights will then turn off (about 3 seconds), the Status indicator LED will turn
yellow (flashing for about 15 seconds). After the 15 second interval, the LED will
indicate the current status of the DU (see 3.0 DU LED Status).
If the above power-up sequence does not occur, then escalate.
6.0 CU LED Sequence
Upon power up, the following Coverage Unit (CU) LED sequences should occur:
1. The unit will remain with all lights off for about 6
seconds.
2. The Status indicator LED will turn yellow and
flash for about 9 seconds.
3. The Status indicator LED should then turn blue.
Refer to 2.0 CU LED Status for more inf ormation.
If the above power-up sequence does not occur, then escalate.
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