
Values
Value Range
Default Value
Huawei Mode, Standard
Mode
Huawei Mode
The following table lists the description of each value.
Value
Description
Huawei Mode
Inverts the RS_Ack message, and then transmits the MST
message.
Standard Mode
Transmits the MST message, and then Inverts the RS_Ack
message.
Configuration Guidelines
To set the LCAS mode, follow the principles:
l
If the interconnected equipment at the two ends are Huawei equipment, select
Huawei
Mode
.
l
If Huawei equipment is interconnected to a third-party equipment, set the interconnected
equipment to the same mode according to the mode supported by the third-party equipment.
Relationship with Other Parameters
None.
7.86 Hold-Off Time (ms) (LCAS)
Description
The
Hold-Off Time (ms)
(LCAS) parameter is also called
HO Procedure Timer Duration
. It
specifies
HO Procedure Timer Duration
of the LCAS protocol. If the LCAS coexists with
another network-level protection scheme (for example, MSP or SNCP), you can set this
parameter to postpone the LCAS switching.
Impact on the System
The LCAS switching tiime is affected.
For example, if both the MSP and the LCAS are available in a network, set the LCAS hold off
time to 2000 ms. If the network fails, only the MSP switching occurs, but the LCAS switching
does not occur.
OptiX OSN 550 Multi-Service CPE Optical Transmission
System
Configuration Guide
7 List of Parameters
Issue 02 (2011-06-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7-71