Product Description: Feature and Specifications The H902GPHF board supports the following features and specifications: 16 GPON SFP ports A maximum of 1:128 split ratio Class B+/C+/C++ one-fiber bi-directional optical modules Received signal strength indicator (RSSI) detection and optical signal transmission control of the optical module ONU-based traffic shaping Temperature reading and high-temperature alarm Automatic power-off in case of high temperature Upstream and downstream forward error correction (FEC) Type B/Type C protection L3VPN and D-CCAP networking A maximum of 20 km transmission distance Rogue ONU detection Optical power budget of the GPON port Class B+ optical module with a 28.5 dB power budget (used in most cases) Class C+ optical module with a 32 dB budget (used for long-distance transmission) Class C++ optical module with a 35 dB budget (used for long-distance transmission) Differences between GPON Interface boards: Specification H901GPHF/H902GPHF H901GPUF H901GPLF H901GPSF Table 1 Differences between GPON Interface boards Specification H901GPHF/H902GPHF H901GPUF H901GPLF H901GPSF Application scenario FTTC/B/D, D-CCAP, FTTH, and FTTO/FTTM FTTC/B/D,D-CCAP,FTTH,FTTO/FTTM FTTC/B/D,FTTH,FTTO/FTTM FTTH Port quantity 16 16 16 16 Forwarding capability 40 Gbit/s 40 Gbit/s 40 Gbit/s 40 Gbit/s Port rate Upstream: 1.244 Gbit/s Upstream: 1.244 Gbit/s Upstream: 1.244 Gbit/s Upstream: 1.244 Gbit/s Downstream: 2.488 Gbit/s Downstream: 2.488 Gbit/s Downstream: 2.488 Gbit/s Downstream: 2.488 Gbit/s Maximum split ratio 0.130555556 0.130555556 0.130555556 0.130555556 ONU-based shaping Yes Yes Yes Yes Controlled optical signal transmission of the optical module Yes Yes Yes Yes Temperature query and high temperature alarm Yes Yes Yes Yes Automatic shutdown at high temperature Yes Yes Yes Yes Energy conservation for service boards Yes Yes No Yes Maximum distance difference between 2 ONUs under the same PON port(board capability) 40 km 40km 40km 40 km MAC address table size 131072 32768 32768 16384 Downstream FEC Yes Yes Yes Yes Upstream FEC Yes Yes Yes Yes Rogue ONT detection and isolation Yes Yes Yes Yes Assured bandwidth 1238784 kbit/s 1238784 kbit/s 1238784 kbit/s 1238784 kbit/s T-CONTs per GPON port 1024 1024 1024 1024 ONUs per GPON port 128 128 128 128 GEM ports per board 16384 16384 16384 16384 GEM ports per GPON port 3872 3872 3872 3872 Service flows per board 16368 16368 16368 16368 9216-byte jumbo frames Yes No Yes No Routes/ARP table size 196608 196608 196608 65536 1588v2 Yes Yes Yes No NTP Yes Yes Yes Yes HQoS Yes No No No Security (Anti-DoS, Anti-MAC/IP Spoofing) Yes Yes Yes Yes Y.1731 PM Yes Yes Yes No PON ISSU Yes No No Yes D-CCAP Yes No No No GPON type B protection (single homing) Yes Yes Yes Yes GPON type B protection (dual homing) Yes No No No GPON Type C protection (single homing) Yes Yes Yes Yes GPON type C protection (dual homing) Yes No No No Power budget per GPON port Class B+ (28 dB, most common) Class C+ (32 dB, long reach transmission) Class C++: 35 dB Bandwidth per T-CONT 1 Mbit/s (in the minimum delay mode) 128 kbit/s (in the maximum bandwidth usage mode)
