Model |
VIP-281SW
|
Hardware |
WLAN Standards |
IEEE 802.11 b/g/n |
Wireless Frequency Range |
2.4GHz ~ 2.4835 GHz |
Wireless Mode |
AP, Client, WDS and AP+WDS mode |
Security |
64/128 bit WEP data encryption, WPA, WPA-PSK, WPA2, WPA2-PSK, WPA/WPA2 mix mode, 802.1x encryption and WPS PBC |
Operating Frequencies / Channel |
USA/Canada: 2.412 GHz – 2.426 GHz (11 channels)
Europe: 2.412 GHz – 2.472 GHz (13 channels)
Japan: 2.412 GHz – 2.477 GHz (14 channels) |
Wireless Data Rate |
IEEE 802.11b: CCK (11Mbps,5.5Mbps), DQPSK (2Mbps), DBPSK (1Mbps)
IEEE 802.11g: OFDM (54Mbps, 48Mbps, 36Mbps, 24Mbps, 18Mbps, 12Mbps, 9Mbps, 6Mbps)
IEEE 802.11n: 14/29/43/58/87/116/130/144Mps in 20MHz,
30/60/90/120/180/240/270/300Mbps in 40MHz |
Antenna |
2 x 2dBi Detachable Antenna |
WDS |
WDS repeater support |
WAN |
1 x 10/100 Base-TX RJ-45 port |
LAN |
4 x 10/100 Base-TX RJ-45 port |
FXS (for telephone set connection) |
2 x RJ-11 connection |
Protocols and Standard |
Standard |
SIP 2.0 (RFC3261), SDP (RFC 2327), Symmetric RTP, STUN (RFC 3489), , ENUM (RFC 2916), RTP Payload for DTMF Digits (RFC2833), Outbound Proxy Support, uPnP (UPnPTM) |
Voice codec |
G.711(A-law /μ-law), G.729AB, G.723 (6.3 Kbps / 5.3Kbps), G.276 (16,24,32,40 Kbps), GSM and G.722 |
Fax support* |
T.38 (G.711 Fax pass-through) |
Voice Standard |
VAD (Voice Activity Detection)
CNG (Comfort Noise Generation)
G.168: LEC (Line Echo Canceller)
Dynamic Jitter Buffer
In-band and out-of-band DTMF Relay (RFC 2833)
Caller ID Detection/Generation: DTMF, BELLCORE, ETSI, BT, NTT |
Protocols |
SIP 2.0 (RFC-3261), TCP/IP, UDP/RTP/RTCP, HTTP, ICMP, ARP, DNS, DHCP, NTP/SNTP, PPP, PPPoE |
Internet features |
NAT router, DHCP server, Static routing, Virtual server, Virtual DMZ, Smart QoS, IP ToS (IP Precedance) / DiffServ |
Security |
Built-in NAT Firewall
MAC / IP / Port Filtering
URL Filtering
Port Forwarding, DMZ
Password protection for system management |
Network and Configuration |
Access Mode |
Static IP, PPPoE, DHCP |
Configuration & Management |
Web-Based Graphical User Interface
Remote management over the IP Network
Web-Based firmware upgrade
Backup and Restore Configuration file
SNMP v1/v2, Auto-Provision, Keypad on telephone set |
Dimension (W x D x H) |
186 x 143 x 35 mm |
Operating Environment |
0~50 Degree C, 5~90% humidity |
Power Requirement |
12V DC |
EMC/EMI |
CE, FCC Part 15 Class B |
*T.38 support is dependent on fax machine, SIP provider and network / transport resilience. |
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