Paradyne 4200 Uživatelský manuál stáhnout pdf (Strana 302)

15. Test Commands

15-4

August 2002 4200-A2-GB20-00

OPR-LPBK-VCL

The OPR-LPBK-VCL command places a specific Virtual Channel Link (VCL) in

loopback mode.

Table 15-3. OPR-LPBK-VCL Command Parameters

OPR-LPBK-VCL:[tid]:aid_vcl:[ctag]:[locn],[orgn] [lpbktype];

RESTRICTIONS:

All parameters in this command are position-defined.

Only one loopback at a time is allowed on a facility.

[tid] Identification of the target NE. The default value is null. The NE SID

code is the only other valid value.

aid_vcl Virtual channel identifier for OAM loopbacks. The value can be

preceded with AID=, but this is not required. Grouping and ranging are

allowed. Enter in the following format, replacing lower-case parameters

with the values given:

NTVCL-vpi-vci: VCL for NT circuit

LTVCL-rack-shelf-slot-circuit-vpi-vci: VCL for LT circuit

– rack: rack number (1)

– shelf: shelf number (1)

– slot: LT slot number (1)

– circuit: ADSL circuit on the LT (1−24)

– vpi: Virtual Path Identifier

– vci: Virtual Channel Identifier

– segment: ATM location identifier. A 32-character hexadecimal

field that identifies the intermediate point responsible for looping

back F5 OAM segment loopback cells. If absent, the loopback is

performed at the end of the segment connection. Not accepted for

lpbktype E2E. Optional for lpbktype SEG.

[locn] Facility location. Valid values are:

FEND (far end): This is the default.

FEND_segment

[orgn] Source of the signal to be looped back. The only valid value is NEND

(near end).

[ctag] Correlation tag (6 characters maximum) that links an input command

with associated output responses. The default is 0.

[lpbktype] Loopback type. Valid values are:

E2E: End-to-End loopback. Identifies an OAM loopback test on a VCL

or VCC termination point using an end-to-end OAM cell.

SEG: Segment loopback. Identifies an OAM loopback test on a VCL or

VCC termination point using a segment OAM cell (default).

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