SMC Networks 7724M/VSW - annexe 1, Manual

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Management Guide CLI
TigerAccess™ EE
SMC7824M/VSW 81
To configure the power back-off length of each upstream band, use the following com-
mand.
Command Mode Description
lre PORTS band-pbo-length u0
LENGTH [ u1 LENGTH ]
lre PORTS band-pbo-length u0
LENGTH u1 LENGTH [ u2
LENGTH ]
lre PORTS band-pbo-length u0
LENGTH u1 LENGTH u2
LENGTH [ u3 LENGTH ]
Bridge
Configures the power back-off length per upstream
band.
LENGTH: distance from 100m to 900m (1-10)
u1-u4: U1-U4 band configuration
The following table shows distance of 1 ~ 9 in the above command. Each variable means
as the below.
No Distance (Unit : m) No Distance (Unit : m)
1 100 6 600
2 200 7 700
3 300 8 800
4 400 9 900
5 500 10 User Definition
Tab. 5.4 Value of PBO-Length
You should control supplied power of VDSL port according to distance of VDSL line.
The following is an example of configuring power consumption as 400m.
SWITCH(bridge)# lre 1-5 pbo-length 4
SWITCH(bridge)# show lre psd 1-7
-----------------------------------------------------------
Port Status Up Stream PBO Length PSD MASK
ADM/OPR PBO (10 Custom) Level
---------------------
| u0 | u1 | u2 | u3 |
-----------------------------------------------------------
1 Up/Down Enable | 4 | 4 | 4 | 4 | 1
2 Up/Down Enable | 4 | 4 | 4 | 4 | 1
3 Up/Down Enable | 4 | 4 | 4 | 4 | 1
4 Up/Down Enable | 4 | 4 | 4 | 4 | 1
5 Up/Down Enable | 4 | 4 | 4 | 4 | 1
6 Up/Down Enable | 2 | 2 | 2 | 2 | 1
7 Up/Down Enable | 2 | 2 | 2 | 2 | 1
SWITCH(bridge)#
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