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NTU-2V, NTU-RG
Optical Network Terminals
9
2.4
Key Specifications
Table 2 lists key specifications of the terminals.
Table 2 – Key Specifications
VoIP Protocols
Supported protocols
SIP
Audio Codecs
Codecs
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
Number of interfaces
NTU-2V
2
NTU-RG
4
Socket
RJ-45
Data rate, Mbps
Autodetection, 10/100/1000 Mbps,
duplex/half-duplex
Supported standards
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
Parameters of WAN Interface
Number of PON interfaces
1
Supported standards
ITU-T G.984.x Gigabit-capable passive optical networks
(GPON)
ITU-T G.988 ONU management and control interface (OMCI)
specification
IEEE 802.1Q Tagged VLAN
IEEE 802.1p Priority Queues
IEEE 802.1D Spanning Tree Protocol
Connector type
SC/APC
according to ITU-T G.984.2
Transmission medium
fibre optical cable SMF-9/125, G.652
Splitting ratio
up to 1:64
Maximum range of coverage
20 km
Transmitter:
1310 nm
Upstream connection speed
1244 Mbps
Transmitter power
from +0.5 to +5 dBm
Optical spectrum width (RMS)
1 nm
Receiver
1490 nm
Downstream connection speed
2488 Mbps
Receiver sensitivity
from -8 to -28 dBm
