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RL821EWV

Key Benifits and Features

  • SupportTR069,NAT,DMZ,DNS features
  • Support Multiple ssid
  • Support Multiple VLAN
  • Support IPV6 ,PPPoE, DHCP and Static IP configuration for WAN Interface
  • Support IP, MAC filtering,Firewall Functionality in routed mode

RicherLink RL821EWVRouter Overview

RL821EWV terminal devices are designed for fulfilling FTTH and triple play service demand of fixed network operators or cable operators. The box is based on the mature EPON technology, which have high ratio of performance to price, and the technology of 802.11 n WiFi (2T2R), Layer 2/3, and high quality VoIP as well. They are highly reliable and easy to maintain, with guaranteed QoS for different service. And It is fully compliant with technical regulations such as IEEE802.3ah and technical requirement of EPON Equipment (V2.1 and above version) from China Telecom.

Figure 1: RicherLink RL821EWV Router

   Description RL821EWV equipment Interface

Port Type Function
PON port Connect PON port with internet by SC type, single mode optical fiber cable
FXS port Connect the telephone with FXS port by telephone wire
LAN2/1 port RJ45 Port connects to local internet,1 GE port and 1 FE port automatically
Reset button (RST) Press down reset button and keep 5 seconds to make the device restart and recover from the factory default Settings.
PWR port (DC12 V) Connect with power adapter
Power turn on/off Power turn on/off

RL821EWV LED statement

Indicators status Description
POWER Light on ONU power supply normally
Light off ONU no power supply
PON Light on ONU link active
Blink ONU manage to link
Light off ONU receiving power rate lower than optical receiver sensitivity
LOS Blink Device does not receive optical signals.
Light off Device has receivedoptical signal.
WIFI Light on WiFi turn on
Light off Device is power off or WiFi turn off
Blink WiFi turn on and with ongoing data transmission
INTERNET     Light on Internet is effective.
    Light off internet is ineffective.
LAN1 Light on network port linked, but no data transmitting
Blink network port data pass
Light off ONU no power supply or internet cable unlink
LAN2 Light on network port linked, but no data transmitting
Blink network port data pass
Light off ONU no power supply or internet cable unlink
FXS Light on Registered to the SIP server and can be used
Light off It is not registered to the SIP server

RL821EWV specification and working environment

Parameter Nominal
Dimension 180mm×148mm×30mm(L×W×H)
Net weight 0.3kg
Typical power consumption <7W
Noise None
Cooling style Naturally cooling
Power supply 12V DC(By external AC/DC adapter)
Installation style Support PC, wall mount or put inside of information box.
Environment -5~50℃
Atmospheric pressure 70~106Kpa
MTBF 50,000hours
MTTR 30minutes
Parameter Nominal

 RL821EWV EPON Interface

Parameter Nominal
Connector style SC/PC
PON quantity 1
Fiber style Single mode
Wavelength TX:1310 +/-20nmRX:1490 +/-10nm
PON interface standard IEEE802.3-2005 1000BASE-PX20+
PON interface receiving rate 1.25Gpbs
PON interface transmitting rate 1.25Gpbs
Output optical power Min: 0dBm        Max: +4dBm
Opticalreceiver sensitivity Precede -28dBm
The length of the optical link Max 20km

RL821EWV WIFI Specifications

Standard IEEE 802.11 b/g/n
WiFiparameter Frequency 2.4~2.4835GHz
Transmission speed 2.4GHz Frequency:
IEEE 802.11b :11/5.5/2/1M(Auto)
IEEE 802.11g:54/48/36/24/18/12/9/6(Auto)
IEEE 802.11n:270/243/216/162/108/81/54/27Mbps,up to 300Mbps
Channel number 2.4GHz :13
Spread-spectrum Technique DSSS(Direct sequence spread spectrum)
Data Modulation DBPSK、DQPSK、CCK and OFDM(BPSK/QPSK/16-QAM/64-QAM)
Sensitivity@PER(Package error rate) 270M:-68dBm@10% PER;130M: -68dBm@10% PER;108M:-68dBm@10% PER;54M:-68dBm@10% PER
11M:-85dBm@8% PER;6M:-88dBm@10% PER
1M:-90dBm@8% PER;
Transmission distance Indoor Maximum 120 meters;Outdoor Maximum 360 meters(The distance depends on the environment)
RF power 20dBm EIRP
Antenna 5dBi Antennas

WIFI GPON ONU Router Netwoking

Ordering Information

 Model  Product Description
RL821EWV  GPON ONU 4GE+2POTS+11n 2*2 +11ac 2*2+USB, 4 x External Antennas 5DBI
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