描述
为了确保通讯成功,DCS生产厂家无论是电缆,还是通讯口,都把它们做成冗余的。一条网络发生故障,另一条备用网络立即投入运行。备用方式各种DCS有别。
NEW Motorola Symbol LS9208i Bar Code Reader
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SYMBOL MOTOROLA LS4208-SWZM0200ZR KIT:IBM 468x/9x PORT
SYMBOL MOTOROLA LS4208-SWZM0200ZR KIT:IBM 468x/9x PORT
SYMBOL MOTOROLA LS9208-SR11007NSWR LS9208I:HF ADJ STAND
SYMBOL MOTOROLA LS9208-SR11007NSWR LS9208I:HF ADJ STAND
Motorola/symbol 2a Ls9208-sr11007nswr Ls9208i Twilight
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