Product description of the ETTO
The ZTE ETTO is an 8 Port EPON subscriber card designed to be used with ZXA10 C300 and ZXA10 C320 equipment.
ETTO  Basic principle introduction:
Control module to complete the single board software loading, operation control, management and other functions.
Exchange module to achieve the convergence of 8 EPON port signals.
Interface module to realize the mutual conversion between EPON optical signal and Ethernet message.
The power supply module provides a working power supply for each function module in a single board.

Product feature and application of the ETTO
• High Density:
– 9 EPON ports per card, up to 1:128 split ratio
• EPON Function:
– Support ONU power saving management defined in G.987.3
– 1024 T-CONTs per PON port, 4096 GEM ports per PON port
• High TM Performance:
– Support H-QOS
– 1024 queues and 356 schedulers per PON port
– Support color-sensitive RED and WRED discard algorithm
• Clock / Time Function:
– Receive 1PPS+TOD signals and send them to the ONU through a PON channel
• Low Power Consumption:
– Newly developed lower power EPON MAC chip
– Reduce 30% power consumption on industry average

Product details of the ETTO