What are the correct business specifications for GPON products? Choose Multiple.

MA5680T Each board can provide 4-8 GPON ports, which can support 1:64 split ratio
PON port fiber length must be within 20KM
SCUL supports optical copper integrated access
HG8245 supports 256 tcont

Answer(s): A,C

IPMB is the broadband control board of the UA5000. What are its main functions? Choose Multiple.

Used to aggregate and process broadband services (ADSL, VDSL, SHDSL, LAN)
Forward the VoIP service of the PVM board and implement IP uplink through the FE or GE interface.
Provides broadband switching resources and has dual-system hot backup function, supporting active/standby switching.
Support multicast services, providing a dedicated multicast channel.

Answer(s): A,B,C,D

Regarding the UA5000 IPMB board, which of the following descriptions is wrong?

IPMB is an IP service processing board used to aggregate and process broadband services.
8 GE optical ports can be provided as uplink ports
Forward the VoIP service of the PVMB and implement IP uplink through the FE/GE electrical port or GE optical port.
Support active/standby switchover

Answer(s): B