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TECHNICAL SPECIFICATIONS    

SMC7908VoWBRB

PORTS

• One ADSL port with RJ-45 

connector for Internet Connection, 
full rate ADSL/ADSL2*/ADSL2+* 

• Two RJ-11 FXS voice interfaces on 

board for connecting two telephones

• Four 10/100 BaseT Ethernet LAN 

connection to connect PC

• SIP: One USB 1.1 connecting USB 

printer or storage device

• H.323: One USB 1.1 connecting 

USB printer 

• Built-in IEEE 802.11b/g wireless 

module to provide wireless LAN 
connectivity

• One reset button to reset system
• One power jack DC12V 1A

ADSL FEATURES

• Support for ADSL over ISDN 

Networks

• RFC 1483 Bridging/Routing Mode
• PPPoE and PPPoA
• DHCP client for WAN port
• Support G.992.1 G.dmt/ 

G.992.3*/G.992.5* line coding

• Service Class UBR, VBR or CBR 

selectable, CBR peak rate selectable.

• VPI/VCI selectable 
• OAM F4/F5 flow support

VoIP FEATURES

• SIP or H.323 

(separate firmware needed)

• CODEC

• G.711 a/u-law with packeterization

period 20ms

• G.729a voice compression
• Echo cancellation G.168
• G.723.3

• DTMF in-band and out-band
• DTMF tone generation and relay
• QoS process with TOS, Diffserv
• VAD, comfort noise generation
• Silence Threshold
• H.323: T.38 fax relay (SIP in the 

future) and modem relay

• Support independent dialing plan 

(E.164)

• Call Waiting 
• Call Forwarding (future)
• Caller ID (FSK and DTMF)
• Jitter buffer

MANAGEMENT FEATURES 

• Firmware upgrade via WEB Based 

Management

• WEB Based Management 

(configuration)

• Power Indicators
• Event &History logging
• Telnet, SNTP support
• Network Ping
• SNMP v.1/v.2 support
• TFTP

SECURITY FEATURES  

• 64/128 bit WEP encryption 

support 

• WPA(Wi-Fi Protected Access), 

wireless protection supported 

• 802.1x/WPA-PSK Authentications

supported

• Mac Address Filtereing control 

list for wireless devices 

• NAT/NAPT
• Virtual Server Support
• Virtual DMZ support
• Password protected configuration

access

• User authentication (PAP/CHAP) 

with PPP

• SPI Firewall function with hacker 

pattern detection
• IP Spoofing
• Land Attack
• Ping of Death
• IP with zero length
• Smurf Attack
• TCP null scan
• SYN flood
• UDP flooding
• Tear Drop Attack
• ICMP defect
• RIP defect
• Fragment flooding

• VPN pass through (IPSec-ESP 

Tunnel mode, L2TP, PPTP)

• Port mapping

LAN  FEATURES  

• DHCP server for LAN
• QoS Feature 

• TOS = 5 for voice packet
• TOS = 0 for data packet
• VLAN tagging
• 802.1P enabled QoS with 

marking, queuing and scheduling

• IEEE 802.1D (self learning 

transparent Bridging)

• DNS Proxy (Relay)
• Static Routing, RIPv1 and RIPv2
• Four 10/100Mbps switch ports with 

auto-MDI/MDIX

• Bridging between Ethernet  & 

IEEE802.11b/g

• USB host 1.1 support features as 

following: (Optional)
• SIP: File Server- LAN & Remote 

accessible

• Print Server

APPLICATION   

• Netmeeting, ICQ, Real Player, 

QuickTime, DialPad, PC Anywhere

• MSN messenger support

WIRELESS RF MODULE 
FREQUENCY BAND

• 13 channels / frequenies
• 802.11g Radio: 2.4GHz

• 802.11b Radio: 2.4GHz
• USA  -  FCC

• 2412 ~ 2462MHz (Ch1~Ch11)

• Canada - IC

• 2412 ~ 2462MHz (Ch1~Ch11)

• Europe - ETSI
• Japan - STD-T66/STD-33

• 2412~2484MHz (Ch1~Ch14)

MODULATION TYPE

• OFDM, CCK

STANDARDS 

• IEEE 802.3, 802.3u, 802.11g, 802.1D
• ITU G.dmt
• ITU G.Handshake
• T.413 issue 2 - ADSL full rate  
• ITU G.992.3* - ADSL2*
• ITU G.992.5* - ADSL2+*  

COMPATIBILITY 

• CE, ETSI, R&TTE, 

FA (Frequency Authority)

• ETS 300 328, EN301489-1/-17 

SAFETY 

• GS (EN60950)

INTERNET STANDARDS 

• RFC 826 ARP
• RFC 791 IP
• RFC 792 ICMP
• RFC 768 UDP
• RFC 793 TCP
• RFC 783 TFTP
• RFC 1483 AAL5 Encapsulation
• RFC 1661 PPP
• RFC 1866 HTML
• RFC 2068 HTTP
• RFC 2364 PPP over ATM 

OPERATING CHANNELS   

• 802.11b compliant

• 11 channels (US, Canada)
• 13 channels (ETSI)

• 802.11g compliant
• b-mode Modulation 

Rate-Output Power (dBm)
• 1Mbps 16 dBm
• 2Mbps 16 dBm
• 5.5Mbps 16 dBm
• 11Mbps 16 dBm

• g-mode Modulation 

Rate-Output Power (dBm)
• 6Mbps 15 dBm
• 9Mbps 15 dBm
• 12Mbps 15 dBm
• 18Mbps 15 dBm
• 24Mbps 15 dBm
• 36Mbps 15 dBm
• 48Mbps 15 dBm
• 54Mbps 15 dBm

• b-mode Modulation Rate-Receiver

Typical T Sensitivity (dBm)
• 1Mbps -90 dBm

• 2Mbps -88 dBm
• 5.5Mbps -85 dBm
• 11Mbps -84 dBm

• g-mode Modulation Rate-Receiver

Typical (Sensitivity dBm)
• 6Mbps -88 dBm
• 9Mbps -878 dBm
• 12Mbps -84 dBm
• 18Mbps -82 dBm
• 24Mbps -79 dBm
• 36Mbps -75 dBm
• 48Mbps -68 dBm
• 54Mbps -68 dBm

TEMPERATURE   

• 0 to 50 degrees C 
(Standard Operating)
• -40 to 70 degree C 
(Non-operation)

HUMIDITY    

• 10%to 90% (Non condensing)
• Vibration: IEC 68-2-36, IEC 68-2-6
• Shock: IEC 68-2-29
• Drop: IEC 68-2-32

DIMENSIONS     

• 220 x 133 x 25 mm
• 8.7 x 5.24 x 1 in

WEIGHT     

• 370  g
• .82  lbs

POWER INPUT      

• 12V/1A

* Future Option

North America

38 Tesla
Irvine, CA 92618
1-800-SMC-4YOU
24/7 Technical Support

Europe/ Africa

Fructuos Gelabert 6-8
08970 Sant Joan Despí
Barcelona, Spain

Check www.smc.com for your local 
country contact information

www.smc.com

Contact

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