Aidan was told in January that his contract at Ipswich will not be extended past the summer.
Collins has only just returned from a loan at high-flying Wycombe, where he made 5 appearances. He will look to forge a new career for himself at Edgeley Park, with a successful loan spell.
In other news, Town have shown faith in one young central defender, with Chris Casement, a product of the Ipswich Academy that won the 2005 FA Youth Cup getting a new contract at Portman Road.