Part Number PMWDM4-12-P-S-L-A Fiber Optic Switches Multiplexers Demultiplexers in stock with ready to ship. Get an instant quote for Lightel Technologies Inc part number PMWDM4-12-P-S-L-A by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for PMWDM4-12-P-S-L-A. Our dedicated account manager will get back to you within 15 minutes.