Most single chip modems are designed and manufactured for the telephone circuit. It is only possible to realize point to point communication through one channel with these single chip modems.

大部分单片调制解调器芯片都是依据电话线路设计制造的，即在一条信道上只能实现点对点的通信。

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Infinera's optical routing gear is built around an all-in-one optical networking chip--which it calls a Photonic Integrated Circuit--that shrinks down the work done by a hodgepodge of parts in boxes from other vendors onto a pair of chips smaller than a fingernail.

FORBES: Telco's New Light