VDSL2交换机/IP DSLAM
 VDSL2交换机/IP DSLAM
VC-820M
8口VDSL2 SNMP 管理型交换机(8口VDSL2端口,2个千兆SFP复用端口)

XDL-2420R
24-Port VDSL2 / ADSL2+ with 2-Port Gigabit TP/SFP Combo IP DSLAM