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12
NTU Optical Network Terminals
Splitting ratio
up to 1:128
Maximum range of coverage
20 km
Transmitter:
1310nm
Upstream connection speed
1244 Mbps
Transmitter power
from +0.5 to +5 dBm
Optical spectrum width (RMS)
1 nm
Receiver:
1490nm
Downstream connection speed
2488 Mbps
Receiver sensitivity
from -8 to -28 dBm
Parameters of subscriber analogue ports
Port number
NTU-2V(C)
1
NTU-2W
0
NTU-RG-1402G-W
2
Loop resistance
up to 2 kΩ
Dialling
pulse/frequency (DTMF)
Caller ID display
yes
Wi-Fi interface parameters
Model
NTU-2W, NTU-RG-1402G-W
Standard
IEEE 802.11b/g/n
Frequency range
2.400 ~ 2.497 GHz
Modulation
PSK/CCK, DQPSK, DBPSK, OFDM
Data transfer rate, Mbps
802.11b
: 11, 5.5, 2, 1
802.11g
: 54, 48, 36, 24, 18,12, 9, 6
802.11n 20MHz BW:
130, 117, 104, 78, 52, 39, 26, 13
802.11n 40MHz BW:
270, 243, 216, 162, 108, 81, 54, 27
Maximum transmitter output power
802.11b:
17dBm +/-1.5dBm
802.11g:
15dBm +/-1.5dBm
802.11n:
14.75dBm +/-1.5dBm
802.11ac
(5 GHz): 19 dBm
МAС protocol
CSMA/CA model of ACK 32 MAC
Security
64/128 bit WEP encryption;
WPA, WPA2
802.1x
AES &TKIP
Operating system support
Windows XP 32/64, Windows Vista 32/64, Windows 2000,
Windows 7 32/64, Linux, VxWorks
Number of antennae
NTU-RG-1402G-W
2
NTU-2W
2
Antenna gain
5 dBi
Operating temperature range
from 0 to +70°С
Control
Local control
Web interface
Remote control
Telnet, TR-069, OMCI
Firmware update
OMCI, TR-069, HTTP, TFTP
Access restriction
By password
General Parameters
Power Supply
12 V DC /220 AC power adapter
Power consumption
NTU-2V(C)
up to 10 W
NTU-2W
up to10 W