JRC NT337-XL2, Инструкция по эксплуатации, Страница: 30 / 187

2-7
2. Specifications
2.1. General
Table 2-1 JRC FWA SYSTEM Specifications
Point to Multipoint System
Item
AP WT
Point to Point System
Frequency Band EL0 EL1 EL2 EH1 EH2
[GHz] 24.050-24.549 24.549-24.997 24.997-25.445 25.557-26.005 26.005-26.453
Duplex/multiple
access
TDD/TDMA TDD
Modulation system QPSK/16QAM
Symbol rate 20M symbol/s
Radio Transmission
rate
QPSK:40Mbps 16QAM:80Mbps QPSK:40Mbps 16QAM:80Mbps
(Data throughput) (Max.23Mbps) (Max.46Mbps) (Max.16Mbps) (Max.32Mbps)
Occupied bandwidth 26MHz (QPSK/16QAM)
Channel spacing 28MHz
Transmit output power QPSK:+14dBm
QPSK (ATPC):
-6 to +14dBm
QPSK: -6 to +14dBm
16QAM (ATPC):
-8.5 to +11.5dBm
16QAM: -8.5 to +11.5dBm
Frequency Stability ±10ppm
Transmitter spurious
emission
-30dB/MHz or less
RF spectrum mask QPSK:ETSI Type A
16QAM:ETSI Type B
Minimum receiving
level (BER=10
-6
)
After an error
correction
QPSK: -79dBm or less 16QAM: -69dBm or less
Antenna type and gain
Omni: 6.5dBi High-gain flat antenna: 31dBi
(typ)
90°X10°Sectoral Horn:15.5dBi
External Antenna: 35.7dBi(30cm) / 41.1dBi(60cm) / 44.6dBi(90cm)
/ 46.9dBi(120cm)
Max number of WTs 239 WTs per AP -
Interface 100BASE-TX 10BASE-T/100BASE-TX
MAC processing
VLAN (IEEE802.1Q)
User data are distributed by using
VLAN-TAG to each WT
-
MAC address filtering enable disable
SNMP (agent) Remote operation is possible by OpS (option).
SNMP V2, Private MIB, VLAN TAG (IEEE802.1q)
AP setup/control
WT setup/control
Test
Alarm log
WT Operating Status List
Remote downloading
Bandwidth Table
Parameter setup/Control (Master)
Alarm Log (Master)
Traffic information (Master)
Network configuration (Master)
Local management Local management is possible by Local management tool (option).
AP: Serial interface(Exclusive cable use)
WT: Ether interface Master/Slave: Ether interface
Setup (AP,WT)
Control (AP,WT)
Radio link monitor (WT)
Log (AP,WT)
Tool Setup (AP,WT) Setup
Control
Radio link monitor
Log
Tool Setup (AP,WT)