738598838001, 738598838544

for Polycom Power Supply, 48V Power Cord Adapter Compatible with VOIP Polycom IP Phones VVX 101, 201, 300, 301, 310, 311, 400, 401, 410, 411, 500, 501, 511, 600, 601, 611, 1500, CCX 500, 600, 700