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Verification.book Page 99 Monday, January 19, 2004 1:40 PM
10 dB Optical Attenuator to
ensure level is within
Receiver Input Range
D
SONET/SDH Electrical
Loopback Cabling.
Loopback connections shown for option J7230B with options 106/012
CAU TI O N
Verification Manual
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A
B/C
E
F
Safety precautions care and connection cleanliness must be observed
to ensure that the optical connections are not damaged or degraded.
Ensure the recommended optical attenuation is present in all optical
loopback connections as failure to do so could cause self test failure or
damage to the optical receivers.
Self Test Overview
Optical Loopback Patch
Cords connections are
option dependent.
15 dB Optical
Attenuator to
ensure level is
within Receiver
Input Range
DCC Loopback
connector only
required for DCC
G
ADD/DROP or (All
Tests)
iii
Electrical Loopback Cabling is
only required if Option 012 is
enabled.
2
99
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