HC-DSL

HC-DSL G.SHDSL Modem Series

Overview

HC-DSL series products are multiple-rate copper wire transmission device developed by Huachentel. Fully complied with ITU-T G.991.2 recommendation, and uses G.SHDSL.bis, TC-PAM digital modulation and echo cancel technology.

This series of products offers five different ways to connect customers over high-speed DSL services, with G.703/E1 (HC-DSL-FE1), Ethernet (HC-DSL-NB), V.35 (HC-DSL-V35), V.24 (HC-DSL-V24), and X.21 (HC-DSL-X21). Each of them has two kinds of type, card and stand-alone. For stand-alone devices, 2 or 4 wire G.SHDSL port is optional.Generally the cards are inserted in our 4U rack at the center side. They can be managed by the management software HCView at the center office, and detected the status and maintained from the HCView.

Features

Comply with ITU-T G.991.2 (including attachment F)

G.SHDSL.bis technology

Annex A or B user-selectable

Use TC-PAM technology (64Kbps and 128Kbps use exclusive TC-PAM4)

Transmission speed Auto-Adjust against the DSL line condition (customization function)

Port to port remote management by EOC (with additional management path)

Hardware and software online update

SNMP management

Close-set, low power dissipation, easy to install and easy to maintain

Support remote power supply

DSL port has past the strict test (10/700us 6KV) to follow the ITU-T K.20/K.21

Specification

G.SHDSL Interface:

Recommendation: ITU-T G.991.2

Code: TC-PAM 16（64Kbps, 128Kbps use special TC-PAM 4）

Impedance: 135Ω balance

Date rate：N×64Kbps(2-wire); 2N×64Kbps(4-wire) ( 1 ≤ N ≤89)

E1 Interface (HC-DSL-FE1):

Recommendation: ITU-T G.703

Line code: HDB3

Data rate: N×64Kbps(1 ≤ N ≤ 32)

Support frame model and transmit transparently model, support CRC-4 when work as frame model

Signal: CCS

Impedance: 75Ω unbalance / 120Ω balance

Connecter: BNC(75Ω),RJ45(120Ω)

Ethernet Interface (HC-DSL-NB):

Data rate: 10M/100M auto-sense

10,000 MAC

Self-learning and refresh function

Support 1536 byte Ethernet frame, support 802.1Q

Support MDI/MDIX, auto- identify crossover and straight through cable

Connecter: RJ45

V.35 Interface (HC-DSL-V35):

Recommendation: ITU-T V.35

DCE Interface

Data rate: N×64Kbps(2-wire:1 ≤ N ≤ 36; 4-wire:1 ≤ N ≤ 32)

Connecter: DB25/F

V.24 Port (HC-DSL-V24):

Recommendation: ITU-T V.24

DCE Interface

Synchronous data rate: N×64Kbps(1 ≤ N ≤3);
Asynchronous data rate: 110～38400bps

Connecter: DB25/F

X.21 Port (HC-DSL-X21):

Recommendation: ITU-T X.21

DCE Interface

Data rate：N×64Kbps(2-wire:1≤N≤36; 4-wire: 1≤N≤ 32)

Connecter: DB15/F

Console interface:

Standard: RS232-C

Data Format: 9600 unsynchronized, 8-bit, no parity check, stop bit 1 and no data stream control

Interface Connector: RJ45

Others

Dimension: 265(W)×44(H)×165.6(D) (mm)

Power supply: Both 220V AC (165V~265V) and -48V DC (-36V~-72V)

Consume: < 6W (standalone)

Environment

Operating Temperature: -5°C~+45°C

Store Temperature: -20°C~+70°C

Relative humidity: 5% ~ 95% no coagulation

Rate and distance table  under 0.5 mm (24 Gauge)

Order Information