
Parameter
Value in
This
Example
Description
Source
Timeslot
Range(e.g.
1,3-6)
1-5
In this example, five E1 services are configured
between NE3 and NE5. Hence, the protection
service source occupies VC-12s 1-5.
Step 2
Configure the SDH services of the sink NE (NE4).
1.
In the NE Explorer, click
, and then select NE4. Click
OK
.
2.
Choose
Configuration
>
SDH Service Configuration
from the Function Tree.
3.
Click
Create SNCP Service
on the lower-right pane to display the
Create SNCP
Service
dialog box. Set the parameters that are required, and then click
OK
.
Parameter
Value in
This
Example
Description
Service Type
SNCP
In this example,
Service Type
is set to
SNCP
.
Level
VC12
In this example, E1 services are configured.
Hence,
Level
of the E1 services is set to
VC12
.
Revertive Mode
Revertive
When an NE is in the switching state, the NE is
restored from the switching state to the normal
state some time after the working path is recovered
to normal.
Direction
Bidirection
al
In this example, the cross-connections are
configured in the SNCP receive direction and in
the SNCP transmit direction.
Hold-Off Time
(100ms)
0
It is recommended that this parameter adopts the
default value.
WTR Time (s)
600
After the working path is recovered to normal and
the normal state lasts for 600s, the switching
restoration occurs. This parameter is valid only
when the
Revertive Mode
parameter is set to
Revertive
.
Wor
king
Ser
vice
Source Slot
1-SL4D-2
(SDH-2)
In this example, the SL4D board in slot 1 of NE4
is configured as the source line board of the
working service. See
.
Source VC4
VC4-1
In this example, the working service source uses
the timeslots of VC4-1.
3 Configuring SDH Services
OptiX OSN 550 Multi-Service CPE Optical Transmission
System
Configuration Guide
3-56
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 02 (2011-06-30)