The GPON ONU Stick Module is a sophisticated, miniaturized optical network unit housed within an industry-standard SFP metallic casing. Unlike traditional standalone ONUs that require external power supplies and desk space, the "Stick" variant draws power directly from the host. Otherwise, the optical module may be burnt. In practice, the maximum upstream service bandwidth is 1. GPON is one of the key technologies that are being used in fiber-based (FTTx) access networks, including fiber to the home (FTTH), fiber to the business (FTTB), fiber to the curb (FTTC), etc. GPON system contains two main active transmission. Standard Ethernet modules function similarly to a two-lane street, with the two lanes serving the same function. This is an asymmetric traffic pattern, and therefore is characteristic of passive. For gigaband access, HiSilicon provides the following optical modules: XGS Combo PON OLT Class C+, XGS-PON OLT Class N1/N2/E1/E2 and GPON OLT Class C+/D. They support various service scenarios and multiple types of network construction, including home and enterprise access. HiSilicon. GPON SFP (Gigabit Passive Optical Network Small Form-Factor Pluggable) modules are compact, hot-pluggable transceivers used in optical communication networks.