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Pulse Communications Inc.
2900 Towerview Road, Suite 100
Herndon, Virginia 20171–3286
PRINTED IN USA
Customer Service
For technical support:
North America — 1-800-841-1005
E-mail — [email protected]
For order information: 1-800-381-1997
O3-4D1L3 U2
1631, Issue 4, October 2009
8. CUSTOMER SERVICE
Direct questions concerning the operation of the unit to Pulsecom Technical Support. If
the unit is defective, limit field repair to replacement of the plug-in module or SFP
transceiver. Obtain repair services by returning the defective unit to the Pulsecom Repair
Department.
A. Test Set Loop Timing Example
B. Test Set INTERNAL Timing Example
Figure 9. Test Set Timing Examples
O3-4D1L3
O3-4D1
T1 Test Set
Optioned for
Loop Timing
CO
SONET
MUX
SONET
MUX
O3-4D1L3
O3-4D1
T1 Test Set
Optioned for
INTERNAL Timing
CO
SONET
MUX
SONET
MUX