SINGAPORE – Singapore Telecommunications Ltd., will start taking orders from institutional investors for an initial public offering of its high-speed broadband unit that could raise as much as 2.7 billion Singapore dollars (US$1.95 billion), making it the largest such fund raising in more than six years.

In a prospectus filed to the central bank, Singtel’s unit, NetLink NBN Trust, is seeking to sell about 2.9 billion units at a price range of S$0.80 to S$0.93 per unit.

NetLink provides high-speed broadband service to residential and nonresidential customers in Singapore. An IPO of that size, if successful, would be the largest fund-raising in more than six years in the city-state, after Hutchison Port Holdings Trust’s US$5.5 billion IPO in 2011.

People familiar with the IPO process said the company is also tapping “anchor investors” who will commit to buy a certain portion of the IPO.

If successful, the IPO…