Shelf configuration
Total 51 slots
36 slots for service cards & uplink cards
2 slots for control cards
4 slots for switch cards
4 slots for power cards
1 slot for clock synchronization card

System capability
Switching capacity of backplane bus: 28.8 Tbit/s
Switching card: 3.6 Tbit/s
System switching capacity: 14.4 Tbit/s

Subscriber card density
 GPON card: 16 ports per card
 XG-PON card: 16 ports per card
 XGS-PON card: 16 ports per card
 XG-PON & GPON Combo PON card: 16
Combo PON ports per card
 XGS-PON & GPON Combo PON card: 16
Combo PON ports per card
 Any-PON card: 16 Any-PON ports per card
 10G-EPON card: 16 ports per card
 10GE P2P card: 16 ports per card
 GE/FE P2P card: 24/48 ports per card

Clock synchronization interfaces
 2 * 120 Ω BITS clock input
interface/1PPS+ToD time input interfaces.
 1 * 120 Ω BITS clock output
interface/1PPS+ToD time output interface.
 1 * out-of-band NM interface.
 1 * public/maintenance serial port

Uplink interface card
16 * 10GE/GE uplink per card
8 * 10GE/GE uplink per card