CISCO 7940/7941 IP Phone
Specification Value or Range
Operating temperature 32 to 104° F (0 to 40° C).
Operating relative humidity 10 to 95% (noncondensing).
Storage temperature 14 to 140° F (–10 to 60° C).
Height 8 in. (20.32 cm).
Width 10.5 in. (26.67 cm).
Depth 6 in. (15.24 cm).
Weight 3.5 lb (1.6 kg).
Power 100 to 240 VAC, 50 to 60 Hz, 0.5 A—when using the AC adapter.
48 VDC, 0.2 A—when using the in-line power over the network
cable.
Cables Two pair of Category 3 cables for 10 Mbps.
Two pair of Category 5 cables for 100 Mbps.
Distance requirements As support
ed by the Ethernet
specification, it is assumed that most
phones that are deployed in the field will be within 330 ft (100 m) of
a phone closet.
