ADSL2+ Modem |
NAT Firewall |
Active Firewall (SPI/DOS) |
4-port Ethernet Switch |
USB |
11g Wireless |
UPnP |
Port Forward / DMZ |
QoS |
SNMP |
Access Control |
VoIP FXS |
VoIP FXO |
|
| NB1 |  |
|
|
X |
X |
X |
|
|
|
|
|
X |
X |
| NB5 | |
|
|
X |
|
X |
|
|
|
|
|
X |
X |
| NB5Plus4 | |
|
|
|
|
X |
|
|
|
|
|
X |
X |
| NB5Plus4W | |
|
|
|
|
|
|
|
|
|
|
X |
X |
| NB6 | |
|
X |
X |
|
X |
|
|
|
|
|
X |
X |
| NB6W | |
|
X |
X |
|
|
|
|
|
|
|
X |
X |
| NB6Plus4W | |
|
X |
|
|
|
|
|
|
|
|
X |
X |
| NB9 | |
|
|
|
X |
X |
|
|
|
|
|
|
|
| NB9W | |
|
|
|
X |
|
|
|
|
|
|
|
|
