The unmanaged switches are available with 5 or 9 ports, while the managed switch is available with 9 ports, one of which is used as a RS-232 configuration port.

非托管交换机可供5或9个端口使用，而托管交换机可供9个端口使用，其中之一的端口作为一个RS - 232配置端口来使用。

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Britain has managed such a switch before, most recently in the mid-1990s, after the pound fell steeply on its expulsion from the European exchange-rate mechanism.

英国之前曾解决过这样的转变，最近的是在二十世纪九十年代中期，从欧盟汇率机制中排出之后，英镑大幅升值。

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The DGS-3650 48-port Managed Layer 3 switch fully supports IPv6 routing and brings advanced enterprise network management features to a cost-effective level.

DGS - 3650 48端口管理的第3层交换机完全支持IPv6路由，以具成本效益的的水平，并带来了先进的企业网络管理功能。

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For example, Zeneca has managed to switch the bt gene, which gives maize plants resistance to nasty insects, on and off using another chemical trigger.

ECONOMIST: Terminator genes

Arnold says Glaxo already has managed to switch 30% of Paxil patients to Paxil CR, a controlled-release version that lasts longer and may deliver a more sustained dose.

FORBES: Magazine Article

He said they managed to switch lines which slowed the runaway train so it came to rest as it reached an incline near Warren Street station in central London.

BBC: Runaway Tube train: Operators fined ?300,000