Product features

· The E1 port supports transparent mode, and the E1 port impedance supports 75 Ohm or 120 Ohm;

· 10/100 Base-TX ports support 10/100M, full duplex, half duplex, and automatic negotiation;

· E1 channel supports built-in BERT (Bit Error Rate Test) function;

· Automatically detects E1 line loopback, prompts an alarm, and closes the Ethernet interface to avoid affecting downstream services;

· Support 802.1p priority function;

· Support 802.3x-based flow control function;

· Support transparent transmission of VLAN Ethernet frames;

· Provide a group of control switches for setting up equipment maintenance tests;

· Suitable for a variety of power supply environments, +24VDC, -24VDC, -48VDC or 220VAC.