Built-In Diagnostics Example (Diagnostics 1 - 4) - Zhone IMACS 8000 User Manual

System Testing and Diagnostics
In Figure 6-1, diagnostics 4, the T1 link of the remote Integrated Access System is configured
in Line Loopback. Alternatively, a loop up code can be sent from the local Integrated Access
System to put the T1 link of the remote Integrated Access System in Line loopback. This
process is repeated until the remote DTE is put in network loopback and tested as shown in
Figure 6-2, diagnostics 8.
Diagnostics 1
Local
DTE HSU
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Diagnostics 2
Local
DTE HSU
v.35
Diagnostics 3
Local
DTE HSU
v.35
Diagnostics 4
Local
DTE HSU
v.35
Figure 6-1.Built-In Diagnostics Example (Diagnostics 1 - 4)
Reference Guide
T1 Facility
Cross-
Connect
T1
Element
T1 Facility
Cross-
Connect
T1
Element
T1 Facility
Cross-
Connect
T1
Element
T1 Facility
Cross-
Connect
T1
Element
Benefits of Built-In Diagnostics
DDS Facility
Cross-
OCU/
Connect
T1
DP
Element
DDS Facility
Cross-
OCU/
Connect
T1
DP
Element
DDS Facility
Cross-
OCU/
Connect
T1
DP
Element
DDS Facility
Cross-
OCU/
Connect
T1
DP
Element
Remote
CSU/DSU
DTE
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Remote
CSU/DSU
DTE
v.35
Remote
CSU/DSU
DTE
v.35
Remote
CSU/DSU
DTE
v.35
6-9