Paradyne Hotwire ATM Line Cards 8335 User Manual page 102

5. Diagnostics
Figure 5-1.
5-16
2. Select an interface (dsl1:1 through dsl24:1 on the Model 8385).
3. Enter the unit to be tested in the SHDSL network segment (STU-C, STU-R, or
SRU1– SRU-8). Use the unit identifiers defined in
Path.
4. Enter the side of the selected unit to be tested (Customer or Network) as
shown in Figure 5-1, SHDSL Data
5. Enter the duration of the test (1–10 minutes).
6. Enter Start to start the test. A loopback begins on the selected unit in addition
to a 511 BERT on the STU-C at the same time. The test continues to run until
you enter Stop or the selected duration has expired.
7. Enter Stop if you want to end the test before the duration has expired.
8. Interpret the display as shown in
NS
CPE
STU-R
CS
Application SHDSL
Segment
Specific
CPE = Customer Premises Equipment
CS = Customer Side
NS = Network Side
PTD = Path Terminating Device
SRU = Signal Regeneration Units
STU-R = SHDSL Transceiver (Remote Terminal Site)
STU-C = SHDSL Transceiver (Centeral Site)
SHDSL Data Path
February 2003
Path.
Table 5-5, Diagnostics – Loopback
NS NS
SRU SRU STU-C
CS CS
SHDSL
SHDSL
Segment
Segment
SHDSL Span
User Data Path
Figure 5-1, SHDSL Data
Test.
PTD
Application
Specific
01-17042
8335-A2-GB20-70