
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-1
(SDH-1)
In this example, the SL4D board in slot 1 of NE3
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.
Source
Timeslot
Range(e.g.
1,3-6)
1-5
In this example, five E1 services are configured
between NE3 and NE5. Hence, the working
service source occupies VC-12s 1-5.
Sink Slot
3-SP3D
In this example, the SP3D board in slot 3 of NE3
is configured as the sink line board of the working
service. See
Sink VC4
-
-
Sink Timeslot
Range(e.g.
1,3-6)
1-5
In this example, five E1 services are configured
between NE3 and NE5. Hence, the working
service source occupies VC-12s 1-5.
Prot
ecti
on
Ser
vice
Source Slot
1-SL4D-2
(SDH-2)
In this example, the SL4D board in slot 1 of NE3
is configured as the source line board of the
protection service. See
.
Source VC4
VC4-1
In this example, the protection service source uses
the timeslots of VC4-1.
OptiX OSN 550 Multi-Service CPE Optical Transmission
System
Configuration Guide
3 Configuring SDH Services
Issue 02 (2011-06-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3-55