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4.2 CONFIGURING DIP SWITCH S1
DIP switch S1 is where you configure the VDSL line rate, symmetric or
asymmetric, Ethernet full auto negotiation capability (100Base-T full or
half duplex, 10Base-T full or half duplex) or limited auto sense (only
100Base-T half duplex, 10Base-T full or half duplex).
Switch S1-1: Ethernet Auto Sense
Use switch S1-1 to configure the unit for full auto sense capability or lim-
ited auto sense capability. Full Auto sense capability consists of standard
Ethernet Auto sensing (100BaseT full duplex, 100BaseT half duplex,
10BaseT full duplex, and 10BaseT half duplex). Limited Auto sensing
capability consists on only auto sensing for 100BaseT half duplex,
10BaseT full duplex, and 10BaseT half duplex. The limited auto negotia-
tion feature is used when an Ethernet device does not comply with IEEE
802.3x (back pressure flow control) at 100M full duplex.
Switches S1-2 and S1-4: Data Rate
Use switches S1-2 and S1-4 to configure the VDSL line rates.
Table 1:
Ethernet Auto Negotiation Selection Chart
S1-1 Setting
OFF Full Auto Negotiation (Factory Default)
(100 Mbps, Full or Half Duplex)
(10 Mbps, Full or Half Duplex)
ON Limited Auto Negotiation
(100 Mbps Half Duplex)
10 Mbps Full or Half Duplex)
Table 2:
Symmetric VDSL Line Rates Selection Chart
S1-2 S1-3 S1-4 Symmetric Line Rate
ON ON ON 6.25 Mbps
ON ON OFF 9.38 Mbps
ON OFF OFF 12.5 Mbps (Factory Default)
ON OFF ON 16.67 Mbps