Networking
| Supports ISDN connection |
N |
| VoIP protocols |
SIP |
Security
| Authentication method |
PAP, CHAP, SHA-1 MD5 |
| VPN support |
IPSec, PPTP, DES, 3DES & AES |
| NAT functionality |
SUA/Multi |
| VPN tunnels quantity |
2 |
| MAC address filtering |
Y |
Management features
| Universal Plug and Play (UPnP) |
Y |
| Quality of Service (QoS) support |
Y |
| Reset button |
Y |
DSL features
| DSL specification |
ANSI T1.413, Issue 2, G.992.1 A/B&U-R2, G992.2, G.992.3, G.992.4, G.992.5, RE ADSL |
| ADSL |
Y |
Other features
| ATM features |
ATM AAL5, UBR, CBR, VBR, UNI 3.1/4.0 PVC, ITU-T 1.610 F4/F5 OAM |
| xDSL connection |
Y |
Protocols
| DHCP client |
Y |
| DHCP server |
Y |
Additionally
| Ethernet LAN connection |
Y |
| Ethernet LAN (RJ-45) ports quantity |
4 |
ZyXEL 661H. DSL specification: ANSI T1.413, Issue 2, G.992.1 A/B&U-R2, G992.2, G.992.3, G.992.4, G.992.5, RE ADSL. Networking standards: IEEE 802.1d, VoIP protocols: SIP. Authentication method: PAP, CHAP, SHA-1 MD5, NAT functionality: SUA/Multi, VPN support: IPSec, PPTP, DES, 3DES & AES. Colour of product: Black. Weight: 305 g