There should be two adapters that can access the drawer to keep availability and redundancy on the server side.

还要有两个能够访问这个抽屉的适配器以保证服务器端的可用性和冗余。

youdao

If one of the two adapters fails at that point, then there is no additional standby adapter to be used as a backup.

如果那时两个适配器中有一个发生故障，那么就没有额外的备用适配器来用作备份了。

youdao

The latter two adapters are somewhat more complicated and so a description of their configuration is supplied below.

后两个适配器有些复杂，所以下面对他们的配置进行讲解。

youdao

Comcast will be issuing up to two adapters to each subscriber at no charge for up to two years, assuming you request your equipment within four months of the date of encryption.

ENGADGET

The PLA2 kit includes two paired Powerline Network Adapters.

ENGADGET: Amped Wireless' PLA2 super power-line adapters are available from today

The PLC adapters can transmit two 1080 signals simultaneously.

ENGADGET: Live coverage from Sharp's CES press conference