From the date of shipment, we guarantee that all product warranty at least 1 year, such as fiber media converter, for some devices' warranty time is 3 years, such as PCM multiplexer etc. During the warranty period, we will repair or replace it with new units for faulted device. If any spare part is. PON modules support fiber-based (FTTx) access scenarios, including Fiber To The Home (FTTH), Fiber To The Building (FTTB), Fiber To The Curb (FTTC), Fiber To The cell (FTTc), and Fiber To The business (FTTb). Table 1 describes the PON Optical module portfolio. PON Optical module. This Quick Start Guide is designed to guide you through installation and also includes warranty terms. TERMS OF USE: All Ethernet cabling runs must use CAT5 (or above). Also we ofer a bufer stock pool to avoid time delays, protecting you from any possible su m C+ PON module ronmental parameters of the equipment? Has t been tested in FTTx street cabinet or PON / XGS-PON optical transceiver tor type for PON optical. In practice, the maximum upstream service bandwidth is 1. 1 Gbit/s and downlink service bandwidth is 2. These modules are typically installed in Optical Line Terminals (OLTs) at the service provider's central office and Optical Network Units (ONUs) or Optical Network.