Data Path For Network End-To-End Self Test - General DataComm DeskTop T1 Installation And Operation Instruction Manual

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