There was a software upgrade for the 4900 on 4/20/2006, so you may need it.
Did you previously have a package deal, or purchased separate, that is, receiver or receiver and dish? Hopefully, you have a Dish 500 with either a Legacy Twin, or 2 Legacy Dual's.
4900 Standalone List
(1) 1.5 IR/UHF Universal remote
(1) RCA 3-Wire Cable (red, white, yellow) (8 ft)
(1) RG-59 Coaxial Cable (6 ft)
(1) RJ-11 Telephone Cable (25 ft)
(4) 1.5V AAA Battery
4900 20" DISH 500 Antenna, Legacy Twin List
(1) Legacy Twin LNBF
(1) 1.5 IR/UHF Universal remote
(1) RCA 3-Wire Cable (red, white, yellow) (8 ft)
(1) RG-59 Coaxial Cable (6 ft)
(1) RJ-11 Telephone Cable (25 ft)
(4) 1.5V AAA Battery
4900 20" DISH 500 Antenna, Legacy Dual LNBFs List
(2) Legacy Dual LNBFs
(1) 1.5 IR/UHF Universal remote
(1) RCA 3-Wire Cable (red, white, yellow) (8 ft)
(1) RG-59 Coaxial Cable (6 ft)
(1) RJ-11 Telephone Cable (25 ft)
(4) 1.5V AAA Battery