Nortel Meridian 1 General Maintenance Information page 60

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Figure 13
Manual continuity tests: loopback configurations
TEST 5
Superloop network card
through backplane
TEST 6
Superloop network card
through controller card
TEST 7
Controller card through
special channel
TEST 8
Superloop network card
through special channel
TEST 9
BRI continuity tests:
— MISP card through
DSL interface
— MISP card through
SILC or UILC bus
interface
* Special loopback channels are used to verify the integrity of the continuity
generators and detectors. Run these tests first.
553-3001-500 Standard 15.00
Pattern generator
and pattern detector
Network
Network
Controller
Network
MISP
MISP
January 2002
Loopback point
Network
backplane
Controller
Special
loopback
channel *
Special
loopback
channel *
DSL
SILC or
UILC
553-3009