TP-Link TD-8840 - Manual (Page 10)

TD-8840 ADSL2+ Modem Router User Guide
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1.7 System Support
¾ Support PVC
¾ Support NAT、DHCP and so on
¾ Support IEEE 802.3、IEEE 802.3u
¾ Support 10Base-T/100BASE-TX full-duplex or half duplex Ethernet
¾ Support Auto-MDIX
1.8 Working Environment
¾ Operating temperature: 0 ~40 ℃ ℃
¾ Storage temperature: -40 ~70 ℃ ℃
¾ Working Humidity: 10%~90% RH (non-condensing)
¾ Storage Humidity: 5%~90% RH (non-condensing)