Verilink ConnecT 56K DSU (896-502110-001) Product Manual - Manual (Page 44)

Operation
3-14 ConnecT 56K DSU User Manual
Testing from the remote end of the circuit is normally done with a bit
error rate tester (BERT) or, by using an internal Test Pattern Generator on
the Remote DSU Unit.
Figure 3-5 Status Display
Menu map
2=TEST/1= LOCAL UNIT /1=DTE & LOOP(LL)/Displays
Operation
Follow standard operating procedures. When 1=DTE & LOOP (LL) is
flashing: Press the Enter button to initiate the test resulting in the system
briefly displaying “Please Wait” after which it displays the type of test
being performed.
DTE & LOOP
Use the scroll buttons to continue viewing the other test results.
Table 3-4 Test Displays
Table 3-5 Available Interface Leads
DTE & Loop Type of test being performed
Loop 56K Loop rate
DTE 56K Sync DTE rate and data type
TR Terminal Ready Input
SR Set Ready Output
LLB Local Loopback Input
RLB Remote Loopback Input
OFF/ON State of the respective leads displayed immediately
above.
Unit in Test Operating mode to ConnecT 56K DSU
Loop is Normal Status of network service
1=DTE & LOOP (LL)
DTE & LOOP
LOOP 56K
DTE 56K SYNC
TR
OFF
SR LLB RLB
OFF OFF OFF
UNIT IN TEST
LOOP IS NORMAL