The Cisco Multimode VDSL2 & ADSL2+ Enhanced High-Speed WAN Interface Cards (VDSL2 & ADSL2+ EHWICs) support DSL multimode, including very-high-speed VDSL2 & asymmetric ADSL2+. VDSL2 & ADSL2+ are supported on a single WAN interface, thus providing secure, cost-effective connectivity from small businesses to enterprise branch offices. This 1-port enhanced high-speed WAN interface card (EHWIC) supports multimode DSL (VDSL2 & ADSL2+) over ISDN. Features Broadcom chipset One RJ-11 VDSL2 interface Dying gasp IEEE 802.1q VLAN tagging Independent DSL firmware loading 997 & 998 band plans U0 band support Ethernet packet transfer mode (PTM) based on IEEE 802.3ah 64/65 octet encapsulation Support for double-ended line testing (DELT) diagnostics mode Support for downstream speeds up to 100 Mbps in Ethernet PTM & up to 50 Mbps upstream Reach-extended ADSL2 Annex L for increased performance on loop lengths greater than 16, 000 feet from central office T1.413 ANSI ADSL DMT issue 2 compliance DSL forum TR-067, and TR-100 conformity Inpulse Noise Protection (INP) & extended INP Downstream power back-off (DPBO) ATM mode