Serial Link Duplexer
The MultiCom 351 is a serial duplexer that allows two devices to be connected to a single serial port on a UPS.
It can be used where numerous serial connections and multiple polling of UPS are required, and is ideal for LAN networks with a firewall.
If for whatever reason you change your mind and would like to return your order after delivery, we’re happy to refund or exchange your purchase as long as it’s unopened and in its original packaging. Manufaturers of Batteries and UPS systems will charge a re-stocking fee which we have no option but to pass on to our customer. This may be between 10 and 15% of the item price. The returns option is available for 21 days after delivery. Please read our full returns and refunds policy.