MAXTOP APCRS232-MCS2000 Rib Related Programming Cable for Motorola GM900 GM1100 GM1200 GM2000 MC900 MC2100 MCS2000 This is the solution for all older OS platforms! i/e: Windows 98, 2000, XP etc. Dont worry about compatibilities as this cable do not discriminate RIB Box required (not included) Specifications: RJ45 8-Pins