Diagnostics
4-9
GDC 048R154-000
Figure 4-4
Data Path for Network End-to-End Self Test
Figure 4-5
Network End-to-End Self Test, Front Panel Control
Network
TPG – Test Pattern Generator
TPC – Test Pattern Checker
DTE
Interface
Network
Interface
TPG
TPC
DTE
Interface
Network
Interface
TPC
TPG
DeskTop T1 DSU
DeskTop T1 DSU
2. Press ST switch to start Network End-
to-End Self Test. Press switch again
to end test.
1. T1 indicator must be On; press T1
switch if indicator is not already On.
3. TM, T1, and ST indicators are
On during the test.
TM flashes to indicate detect-
ed errors.
General Data-
Comm
DeskTop
T1
ON
SD RD
OOF LOS BPV ALM
TM
T1
ST
LL
RL
