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14
Verification Manual
1
Performance Tests
Unbalanced Electrical Connections PDH/DSn 2-140 Mb/s and DS3
(Instruments with Option 012 only)
Use BNC cable P/N 15525A
•
Connect 2-140 Mb/s DS3 Out (BNC) <> 2-140 Mb/s DS3 In
(BNC)
Balanced Electrical Connections 2M/DS1
(Instruments with
Option 012 only.)
Use Bantam cable P/N 15670A
•
Connect 2M/DS1 Out <> 2M/DS1 In
Figure 1
Self Test Loopback Connections
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Optical loopback
patch cords are
option dependent
15 dB optical
attenuator to
ensure level is
within receiver
input range
10 dB optical
attenuator to ensure
level is within receiver
input range
PDH/DSn Electrical
Loopback Cabling is only
required if Option 012 is
enabled.
SONET/SDH Electrical
Loopback Cabling.
Verification.book Page 14 Monday, January 19, 2004 1:40 PM
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