CopperOptics 150-1312-02 Podręcznik - Strona 10

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Section 363-712-100
Revision 02
C. INSTALLATION AND TEST

9. UNPACKING

9.01
Upon receipt of the equipment, proceed as
follows:
1. Unpack each container and visually inspect it
for signs of damage. If the equipment has been
damaged in transit, immediately report the
extent of damage to the transportation
company and to PairGain. Order replacement
equipment if necessary.
2. Check the contents versus the packing list to
ensure complete and accurate shipment. If the
shipment is short or irregular, contact PairGain
Observe normal electrostatic discharge precautions when handling electronic equipment. Do not hold
electronic plugs by their connector edges. Do not touch components or circuitry.
Step
Operation
1
Install COT
Line Unit
2
Measure
Voltages
Page 10
TABLE 2. FLL-712 COT LINE UNIT TURN-UP AND TESTING
Action
a. Insert the FLL-712 COT Line
Unit into the COT Shelf.
b. After about 4 seconds, COT
enters power management
routine. If line powering fails,
COT waits about 1 minute
before attempting again.
c. If line powering succeeds,
HDSL communications begin
synchronizing.
d. After the system has powered
up, established HDSL
synchronized communications,
and no calls are in progress,
observe the COT Line Unit
front panel indicators.
a. Make the following
measurements on the COT
Shelf backplane:
as described in Section 5. If you must store the
equipment for a prolonged period, store the
equipment in its original container.

10. TURN-UP AND TESTING

10.01
Table 2 provides step-by-step turn-up and test
procedures for the FLL-712 COT Line Unit.

11. TROUBLESHOOTING

11.01
Table 3 provides troubleshooting procedures
based on indications displayed by the front panel
indicators of FLL-712 COT Line Unit. Table 4 contains a
glossary of PG-Flex terms.
CAUTION
• All LEDs on the COT Line Card turn on
for approximately 7 seconds, then scan
from top to bottom
• The PWR LED and FAULT LED turn
on
• PWR LED flashes
• LOOP 1 SYNC and LOOP 2 SYNC
flash
POWER
LOOP 1 SYNC
LOOP 1 MARGIN off
LOOP 2 SYNC
LOOP 2 MARGIN off
TEST
FAULT
• -130 Vdc, ±10%, between
HDSL_T1 and Chassis Ground.
• 0 Vdc to +120 Vdc between HDSL_T2
and Chassis Ground
Observe
on
on
on
off
off