JP Series SD/SDHC Maximum Card Sizes Updated on December 18th, 2025 On this page Summary Solution SummaryThe maximum SD/SDHC card size that can be used with the JP Series.Solution An SD card of up to 2 GB. An SDHC card of any size. JP Series Call Queuing JP Series Pinout Information JP Series SD/SDHC Maximum Card Sizes JP-4MED Status Light storage capacity compatible sizes