RH821GWV-DGB

xPON ONT

Product Overview

RH821GWV-DGB 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 Gigabit
xPON technology, which have high ratio of performance
to price. They are highly reliable and easy management and
guaranteed QoS. And It is fully compliant with technical
regulations such as ITU-T G.984.x and technical
requirement of xPON equipment from Telecom.

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xPON ONT

Interface of device

Connector style

• SC/PC

PON quantity

• 1

Fiber style

• Single mode

Wavelength

• TX：1310 +/- , 20nm RX：1490 +/-10nm

PON interface standard

• ITU-T G.984.2/ITU-T G.984.3/ITU-TG.988 Class B+

PON interface receiving rate

• 1.244Gpbs

PON interface transmitting rate

• 2.488Gpbs

Output optical power

• Min: 0dBm | Max: +5dBm

Optical receiver sensitivity

• Precede -28dBm

The length of the optical link

• Max 20km

Phone

• 1x FXS RJ-11 ports

LAN

• 1xGE, 1xFE RJ-45 ports

WPS button

• A tact switch

USB

• USB 2.0 Port

Reset

• A tact switch. One reset/restore factory default button

Power button

• Power on/off switch

Power supply

• DC 12V/1.5A

Physical structure, Environment and Electrical parameter

Dimension

• 107mm×85mm×26mm（L×W×H ）

Net weight

• 0.26kg

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

• 0~45°C

Atmospheric pressure

• 70~106Kpa

MTBF

• 50,000hours@25°C

MTTR

• 30minutes

WIFI Specifications

Frequency

• 2412~2472MHz
• 5GHz：
• Band-1 frequency 5.15GHz～5.25GHz
• Band-2 frequency 5.25GHz～5.35GHz
• Band-3 frequency 5.500GHz～5.700GHz
• Band-4 frequency 5.725GHz～5.825GHz

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

5GHz Frequency

• IEEE 802.11n：Highest transmission speed up to 300Mbps
• IEEE 802.11ac ：Highest transmission speed up to 867Mbps

Channel number

• 2.4GHz：13 | 5GHz：4

Spread-spectrum Technique

• DSSS(Direct sequence spread spectrum)

Data Modulation

• DBPSK, DQPSK, CCK and OFDM(BPSK/QPSK/16-QAM/64- QAM)

Sensitivity @PER (Packet 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 meter, Outdoor Maximum 360 meters (The distance depends on the environment

RF power (2.4GHz)

• 20dBm EIRP

RF power (5 GHz)

• Band-1 EIRP 17.45dBm
• Band-1 EIRP 17.45dBm
• Band-2 EIRP 17.82dBm
• Band-3 EIRP 17.92dBm
• Band-4 EIRP 18.92dBm

Antenna

• 5dBi Antennas

Special function

Special function

• Support TR069,NAT,DMZ,DNS features
• Support IGMP multicast and using bandwidth
efficiently
• Support Multiple VLAN
• Support network storm control
• Support IPV6 ,PPPoE, DHCP and Static IP
configuration for WAN Interface
• Support IP, MAC filtering, Firewall Functionality
in routed mode

POTS Specifications

Special function

• support SIP voice protocol.
• support H.248 voice protocol.
• SIP protocol: ISP provide the port number of the
main SIP proxy server and terminal VOIP.
• Value range is 1-65535, system default value is 5060.
• H.248 protocol: ISP provide port number of the
spare MGC server and VOIP terminal.
• Value range is 1~65535, system default value is 2944.
• Port ringing current voltage: 50±10VAC, 30±10H.
• Port type POTS(VOIP).
• Support G.711 A-Law/u-Law,G729A/B G.723.1-5.3/6.3
G.726.etc.voice coding/compressed technology.

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