Peace, mercy, and blessings of God be upon you. For sale: Original STC fiber optic modem from DZS, model ZNID-GPON-2428B1-0ST. Specifications: * 4 LAN network ports. * 2 phone ports. * 1 USB port. * Suitable for use with fiber optics, and may be suitable for other home network uses depending on settings and compatibility. Condition: The device is used, clean.