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They are powered by the voltage present on the phone line. • The 2-Line and 4-Line 8-Port Base Units (40425 and 40426) share two or four phone lines, respectively, among eight devices. They are powered by an included external transformer.
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Size — 40423–40425: 1.25"H x 4"W x 3"D (3.2 x 10.2 x 7.6 cm); 40426–40429: 1.8"H x 7"W x 5.5"D (4.6 x 17.8 x 14 cm) Weight — 40423–40424: 0.3 lb. (0.1 kg); 40425–40426: Net (chassis only): 1 lb. (0.5 kg);...