Paradyne 316x manual Starting a Line Loopback, Valid Loopback Combinations, Dclb, Dtlb

Models: 316x

1 211
Download 211 pages 11.69 Kb
Page 122
Image 122
Valid Loopback Combinations

ACCULINK 316x DSU/CSU

Table 4-2

Valid Loopback Combinations

 

LLB

PLB

DLB

RLB

DCLB

DTLB

 

 

 

 

 

 

 

LLB

N/A

NO

YES

YES

NO

YES

 

 

 

 

 

 

 

PLB

NO

N/A

YES

NO

NO

YES

 

 

 

 

 

 

 

DLB

YES

YES

N/A

NO

YES

YES

 

 

 

 

 

 

 

RLB

YES

NO

NO

N/A

NO

YES

 

 

 

 

 

 

 

DCLB

NO

NO

YES

NO

YES

YES

 

 

 

 

 

(on separate

(on separate

 

 

 

 

 

ports)

ports)

 

 

 

 

 

 

 

DTLB

YES

YES

YES

YES

YES

YES

 

 

 

 

 

(on separate

(on separate

 

 

 

 

 

ports)

ports)

 

 

 

 

 

 

 

Starting a Line Loopback

The Line Loopback command (LLB) loops the received signal on the network interface back to the network without change.

To perform a Line loopback,

1.Press F2 to select Test from the top-level display screen.

DSU ESF

Stat Test Cnfig

2. From the Test screen, press F2 to select Lpbk.

Test:

Rlpbk Lpbk Ptrns

F1 F2 F3

3.From the Loopback screen, press F2 to select LLB.

Loopback:

Abort LLB PLB

F1 F2 F3

Test Started appears on Line 2. If a line loopback is already in progress, the Already Active message appears. If an invalid combination of loopbacks is in progress, the error message Invalid Test Combo appears (see Table 4-2 for valid loopback test combinations).

F1 F2 F3

4-6

December 1996

3160-A2-GB22-10

Page 122
Image 122
Paradyne 316x manual Starting a Line Loopback, Valid Loopback Combinations, Dclb, Dtlb