10/100M redundant industrial fast Ethernet switch with 2 fiber ports and 1 RJ45 port

Model Number: NT-IN121BF Brand Name: N-NET Key Specifications/Special Features: * Built-in efficient switching core to implement flow control and reduce broadcast packets* Standard: IEEE802.3/u, 10Base-T, 100Base-TX, IEEE802.3af, IEEE802.3at* 10/100Base-TX can automatically identify the direct line and cross-line, is compatible with various cards, switches, HUB and other Ethernet devices* It uses a store-and-forward mechanism to avoid packet loss and error frames* Provide 4 independent 10/100M Base-TX ports to UTP redundant and multi user access* Support Max up to 1552Bytes packet transmission* Support cut-through transmission and full-duplex flow control / half-duplex back pressure mode* Support 3 low-speed data port, each can set as a separated RS232,RS485 or contact closure type* Low-speed data passage adopt time division multiplexing transmit, that makes low delay and easy apply without occupy IP address* Low-speed data port support 0-115200bps speed* Low-speed data port support multi protection from lightning, surge, overvoltage and ESD* 12V to 48V DC or 24V AC Wide power input, redundant power and reverse polarity protection
* Support remote power off detection and indication
* -40 To 80C operating temperature to meet a variety of complex environments
* IP40 protection standard housing
* Power port and Ethernet port supports ESD protection and EFT protection
* DIN rail and panel mounting for efficient usage
* Support dual-fiber multi-mode, dual-fiber single-mode and single-fiber single-mode fiber port selection, expanded the needs of users
* Support PoE power supply up to 25.5W for single port
* 7Gbps non-blocking switching bandwidth line speed, 2K MAC address automatic learning and 16Mb internal cache