Bullet_point: ['Easily mounted on a DIN-rail, panel or piggyback, Transmission speeds of up to 115.2 kbps, Optical fibers enable transmission of 2.5 km (measured with 62.5/125 mm)', 'Half/Full-duplex, bidirectional transmission mode, Avoids lightning strikes and EMI/RFI interference, Prevents damage from electrostatic discharge', 'LED for power and data flow indication, Power requirement: +10 to + 30 VDC', 'Stable and error-free data transmission, Automatic internal RS-485 bus supervision, No external flow control signals required for RS-485', 'Transient suppression and over-current protection on RS-422/485 data lines, Reserved space for termination resistors'] (Page 1)