| 摘要 |
<p>A high reliability cable modem is provided, which is superior in assembling workability, heat radiation, mounting stability. The cable modem includes a circuit board 10 which is a substantially single board on which a front end section 11, a logic circuit section 12 and an LED display section 13 are mounted; and a housing which covers the circuit board 10 and which has a front face 2, a rear face 8, a left side face, a right side face, a top face 4 and a bottom face 6. The cable modem is provided with a plurality of symbol display 3 for indicating an operational state of the LED display section 13 in the front face 2 of the housing 1, a plurality of exhaust holes 5 for radiating heat generated from the front end section 11 and the logic circuit section 12 mounted on the circuit board 10 in the top face 4 of the housing 1, and a plurality of inlet holes 7 for taking outside air into an interior of the housing 1 in the bottom face 6 of the housing 1. The front section 11 is mounted on the circuit board 10 at a position near the exhaust holes 5. <IMAGE></p> |
