this appendix provides technical specifications for the fvm318 cable/dsl prosafe wireless vpn security firewall.

    network protocol and standards compatibility

    data and routing protocols:

    tcp/ip, rip-1, rip-2, dhcp, pptp, telstra bigpond, ppp over ethernet (pppoe)

    power adapter

    north america:

    120v, 60 hz, input

    united kingdom, australia:

    240v, 50 hz, input

    europe:

    230v, 50 hz, input

    japan:

    100v, 50/60 hz, input

    all regions (output):

    12 v dc @ 1.2a output, 20w maximum

    physical specifications

    dimensions:

    h: 1.56 in (3.96 cm) w: 10.0 in (25.4 cm) d: 9.0 in (17.8 cm)

    weight:

    2.72 lb. (1.23 kg)

    environmental specifications

    operating temperature:

    32°-140° f (0° to 40° c)

    operating humidity:

    90% maximum relative humidity, noncondensing

    electromagnetic emissions

    meets requirements of:

    fcc part 15 class b

    vcci class b

    en 55 022 (cispr 22), class b

    interface specifications

    local:

    10base-t or 100base-tx, rj-45

    internet:

    10base-t, rj-45

    wireless

    radio data rate

    1, 2, 5.5, 11mbps auto rate sensing

    frequency

    2.4-2.5ghz

    data encoding:

    direct sequence spread spectrum (dsss)

    802.11b operating range

    outdoor environment indoor environment

    @ 11 mbps 398 ft (120 m) 198 ft (60 m)

    @ 5.5 mbps 561 ft (170 m) 264 ft (80 m)

    @ 2 mbps 890 ft (270 m)430 ft (130 m)

    @ 1 mbps1485 ft (450 m) 660 ft (200 m)

    maximum computers per wireless network:

    limited by the amount of wireless network traffic generated by each node. typically 30-70 nodes.

    802.11b operating frequency ranges

    2.412 ~ 2.462 ghz (us) 2.457 ~ 2.462 ghz (spain)

    2.412 ~ 2.484 ghz (japan)2.457 ~ 2.472 ghz (france)

    2.412 ~ 2.472 ghz (europe etsi)

    802.11b encryption

    40-bits (also called 64-bits), 128-bits wep data encryption