Mục được đánh dấu với thẻ "PSSNMPV4":

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PowerShield Internal PSSNMPV4 Communications Card with Environmental Monitoring Device Port
$531.00
PowerShield, UPS Accessories
PowerShield Communication cards allow control and monitoring of multiple UPSs through SNMP protocol over LAN network or internet connection. When local UPS communications beyond the standard USB or RS232 are required, dry contact relay cards are available.
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