Specifications

3-34
Cisco ONS 15454 and Cisco ONS 15327 TL1 Command Guide, R3.3
May 2002
Chapter 3 TL1 Command Descriptions
TL1 Commands
3.5.6 ALW-SWTOWKG-EQPT: Allow Switch to Working Equipment
(Cisco ONS 15454 only)
This command instructs the NE to allow automatic or manual switching of an equipment unit back to a
working status. Use the INH-SWTOWKG-EQPT command to inhibit an NE from switching to working.
ALW-SWTOWKG-EQPT is used for non-SONET line cards (e.g. DS1, DS3, DS3XM, and EC1). DS1
and DS3 cards have 1:1 and 1:N equipment protection. DS3XM and EC1 cards have only 1:1 equipment
protection. When this command is given to a working unit, the working unit will be allowed to carry
traffic. When this command is given to a protection unit, the protection unit will be allowed to switch
back to the working unit currently protected as long as the working unit has not raised INHSWWKG.
In the case of revertive protection, the traffic will switch immediately from the protection unit to the
working unit regardless of the reversion time setting. In the case of non-revertive protection, the
protection unit will continue to carry the traffic.
The standing condition of INHSWWKG on the unit specified by the AID will be cleared.
Notes:
1. This command only supports one value of the <DIRN> parameter - BTH. A command with any other
value is considered an incorrect use of the command. An IDNV (Input, Data Not Valid) error
message should be responsed.
2. This command is not used for the common control (TCC+ or XC/XCVT) cards. A command on a
common control card will receive an IIAC (Input, Invalid Access Identifier) error message. To use
the common control card switching commands, use the SW-DX-EQPT and ALW-SWDX-EQPT
commands.
3. This command is not used for SONET (OCN) cards. A command on a SONET card will receive an
IIAC (Input, Invalid Access Identifier) error message. To use a SONET card switching command,
use the OPR-PROTNSW and RLS-PROTNSW commands.
4. If this command is used on a card that is not in a protection group, the SNVS (Status, Not in Valid
State) error message should be responsed.
5. If this command is used on a card that is not in the inhibit state, the SAAL (Status, Already Allowed)
error message should be responsed.
6. The following situation(s) are allowed and will not generate any error response: Sending this
command to missing cards so long as none of the previous error conditions apply.
Input Format ALW-SWTOPROTN-EQPT:[<TID>]:<AID>:<CTAG>[::<DIRN>];
where:
• <AID> The parameter can either be the protection unit for which carrying traffic
is to be allowed (release of lockout) or the working unit for which switching to
protect is to be allowed (release of lock on); <AID> is from the “EQPT” section
on page 4-11.
• <DIRN> is the direction of the switching. The command only supports one value
of the <DIRN> parameter - BTH. This parameter defaults to BTH; valid values
for <DIRN> are shown in the “DIRECTION” section on page 4-35.
Input Example ALW-SWTOPROTN-EQPT:CISCO:SLOT-2:123::BTH;
Errors This message generates all the default errors
Section ALW-SWTOPROTN-EQPT Description (continued)