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You are here: Home » Products » DSLAM Modem » G.SHDSL Modem » G.SHDSL Modem HR22N2
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G.SHDSL Modem HR22N2

HR22N2 G.SHDSL modem, transports multi mega bit stream over two pairs of copper wires using TC-PAM technology. This modem supports multiple data rates ranging from 64 Kbps to 15Mbps (PAM128). It has Fast Ethernet 4 ports and 1 slot for install and choice of either V.35, Syn data interface or E1 interface or G.703 Co-directional 64K interface. RS232 or FXO or FXS
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Description

HR22N2 G.SHDSL modem, transports multi mega bit stream over two pairs of copper wires using TC-PAM technology. This modem supports multiple data rates ranging from 64 Kbps to 15Mbps (PAM128). It has Fast Ethernet 4 ports and 1 slot for install and choice of either V.35, Syn data interface or E1 interface or G.703 Co-directional 64K interface. RS232 or FXO or FXS. The HR22N2 uses in-band Embedded Operation channel for controlling and monitoring the remote unit. The comprehensive diagnostics function developed includes G.SHDSL, E1 line performance monitoring, in-band local and remote loop backs and real time alarm report. Local craft port, optional LCD display and SNMP management interface facilitate friendly configuration and diagnostics. HR22N2 support dual bearer function which are used point to point application for getting maximum speed to 15M bps.

Features:

Meet ITU-T G.991.2 ETSI TS101 524. 

Support data rate from 64Kbps to 15Mbps (PAM128) per 64Kbps increment in 2 wires 

Feature modular V.35, E1 G.703, 64K Co-directional 

Provide remote control and monitoring using in-band EOC channel. 

Support DSL PRBS BER test. 

Support local, remote loop back. 

Perform G.SHDSL and E1 line performance monitoring. 

Provide 96*15 minute and 7*24 hours performance data storage. 

Detect and operate DSL loop crossover. 

Support optional LCD display and SNMP management interface., 

Support optional SNMP in-band management and Web GUI 

Support remote download and configuration. 

Support different DTE interface can work simultaneous by sharing the DSL bandwidth 

Support G.bis data rate, 4wires at 11.4 M bis 

Support GSHDSL PAM 128 data rate up to 15Mbps in 2 wires


2222



G.SHDSL Modem HR22N1 HR22N2 HRP1 HRP2


Specification

Line Coding 
16 TC-PAM, 32 TC-PAM,128 TC-PAM is selectable
Line Rate

192K bps ~ 57000 Kbps for one DSL loop.

384K bps ~ 114000 Kbps for two DSL loops.

Protection  ITU-T K.20, K.21 and IEC60950
Standard ITU-T G.991.2, Annex A (Default), Annex B
Impedance 135ohm +/- 5 %
Connector RJ45 x1

System Timing 

Payload timing 

(1) Internal clock, accuracy +/- 30ppm 

(2) T1/E1 input clock 

(3) Data port DTE clock [TT] 

(4) Line Recovered clock 

SDHSL timing 

(1) Plesiochronous, local oscillator: 22.1184MHz +/- 32ppm 

(2) Synchronous 

(3) Hybrid

Data interfaces 

LAN Interface 

Line Rate: 2048KHz +/- 50 ppm 

Line Code: HDB3 

Framing: PCM31, PCM30, PCM31C, PCM30C and unframed 

Data Rate: 64 Kbps to 2048K bps [NX64Kbps, N=1 - 32] 

Operation: Full E1 or fractional E1 

Pulse shape: Meet ITU-T G.703 

Impedance: balanced 120Ω +/- 5% resistive or unbalanced 75Ω +/-5% resistive 

Connector: 120ohm RJ45 x 1 or 75ohm BNC x1

E1 Interface 

Interface: V.35 

Data Rate: 64 Kbps to 4608 Kbps 

Connector: DB25F x 1 (DB25 to MR34 adaptation cable provided)

V.35 Data Port Interface

Interface: 64K Co-directional 

Connector: RJ-45 x 1 

G.703 Co-directional Data Interface 

Interface: 64K Co-directional 

Connector: RJ-45 x 1 

Maintenance 

                               Loopbacks:     Local and remote AL/DL loopbacks via front panel loopback buttons, VT-100 menu screen or in-band                                                                loopback codes 

                                                        DSL PRBS BER testing 

                                                        SNR, LOSW, ES, SES and UAS for DSL loops 

                                                        Supports G.821 and G.826 error performance statistics for E1 interfaces

Management Interface 

Optional LCD display: Quick mode configuration, diagnostics and monitoring 

Optional SNMP/Telnet: Telnet access and an optional SNMP agent support. Web management is optional 

Jitter and Wander 

Meets G.823 and G.824 jitter and wander requirements for E1 interface

Power input 

DC: -36 ~ -72 VDC 

AC: 90 ~ 260V AC (47 ~ 63 Hz) 

AC and/or DC power source can be field selectable. The AC and DC power inputs can be served as power protection mutually.

Dimensions

Enclosure:234.4mm x 155.5mm x 44.2 mm (WxLxH) 

Environment 

Temperature: 0 ~ 60 degree C 

Humidity: Up to 95% non-condensing 

CE Marking

EN 55022 and 55024 compliant 

Safety: EN60950 compliant 

Surge immunity: L1:L2 1KV, L1/L2:PE 2KV 

Lighting Surge: 4K


Application 1

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