____________________________________________________________________________________
____________________________________________________________________________________
NTU Optical Network Terminals 9
Fig. 1—Application diagram for NTU-RG-1421G-Wac, NTU-RG1431G-Wac, and NTU-RG-1421GC-Wac
2.4 Main Specifications
Table 2 lists main specifications of the terminals.
Table 2—Main specifications
VoIP Protocols
G.729, annex A
G.711(A/µ)
G.723.1 (5.3 Kbps)
Fax transmission: G.711, T.38
Parameters of Ethernet LAN Interface
Autodetection, 10/100/1000 Mbps
duplex/half-duplex
IEEE 802.3i 10Base-T Ethernet
IEEE 802.3u 100Base-TX Fast Ethernet
IEEE 802.3ab 1000Base-T Gigabit Ethernet
IEEE 802.3x Flow Control
IEEE 802.3 NWay auto-negotiation
PON Interface Specifications
ITU-T G.984.x Gigabit-capable passive optical networks
(GPON)
ITU-T G.988 ONU management and control interface