Much cheaper than other alternative brands." I've bought several of these and they work great. " These are a bit pricey for a 5-port unmanaged switch, but the fact it's DIN-Rail mountable and has a terminal block for DC power makes it a viable choice for installing in an industrial setup. Currently testing the switch in a hot cabinet with very little ventilation." Supports dual power supplies for critical applications, and has a relay output that closes when only one power supply is operational - used to trigger power alarms, etc. It's a DIN rail mounted rugged gigabit switch, does the job it is supposed to. Ordering a couple more now to expand the system." They are compact, cost effective, and have been working just fine for a couple of months now in small enclosures with a PLC and HMI. "I bought 5 of these for a distributed control system with multiple ethernet drops. ■ RS-485/422 port provides optional connection ways, including RJ45, DB9M and 5-pin terminal blocks
■ Serial port provides 1500W surge protection and 15kV electrostatic protection ■ Adopt pre-emphasis technology, the communication distance of RS-485 is up to 1800m (115200bps) ■ RS-485/422 port adopts independent external power supply, and provides 2500V photoelectric isolation protection ■ Unique serial port self-adaption technology, which can identify RS-485/RS-422 serial port automatically without setting the switch
■ Support bidirectional data conversion between 1 RS-232 serial port and 1 RS-485/422 serial port It can be wildly used in indoor and outdoor system like attendance, entrance guard, cloud platform control, food selling and parking lot, etc. Hardware adopts fanless, low power consumption, wide temperature and voltage design.
The device also adopts wall mounting, which can meet the requirements of different scenes. Serial ports are equipped with 1500W surge protection, 15kV electrostatic protection and 2500V photoelectric isolation protection, which can effectively avoid surge and lightning strike. The RS-485/422 supports serial port self-adaption technology that can identify RS-485/422 serial port automatically without the need of setting the switch. It provides 1 RS-232 serial port and 1 RS-485/422 serial port. MODEL485P is a RS-232 to RS-485/422 interface converter that can achieve bidirectional conversion between RS-232 and RS-485/422.