Q-VDSL™

 

VDSL Equipment for Providing Broadband Network in a Campus Environment


Very High Speed Digital Subscriber Line transmits data in the 13 Mbps - 55 Mbps range over short distances, usually between 300 and 1500 meters (1000 and 4500 feet), of twisted pair copper wire. The shorter the distance, the faster the connection rate.

As the final length of cable into the home or office, VDSL connects to neighborhood Optical Network Units (ONUs), which connect to the central office's main fiber network backbone. This architecture will allow VDSL users to access the maximum bandwidth available through normal phone lines.

VDSL is currently going through a standards issue, so it is not widely deployed yet. The VDSL alliance favors a line coding scheme based on Discrete Multitone (DMT), a multi-carrier system that is more compatible with existing ADSL technology. The VDSL coalition favors a line coding scheme based on Quadature Amplitude Modulation (QAM), a single-carrier system that is less expensive and consumes less power.

 

QiiQ VDSL CO - Q-VDSL-CO-4-16

Q-VDSL-CO-4-16 provides symmetric and full duplex mode 12.5 Mbps data transmission rate at 1 km distance (24AWG 0.5 mm CPEV cable). Q-VDSL-CO-4-16 is composed of 4 Ethernet ports (10/100Base-TX) and 16 VDSL subscriber ports.

 

Functional Features of Q-VDSL-CO-4-16

  • Q-VDSL-CO-4-16 supports symmetric 12.5 Mbps data transmission rate up to 1 km distance through 2 wire telephone line.
  • Q-VDSL-CO-4-16 supports symmetric bandwidth of 1 Mbps ~ 16 Mbps at full duplex mode. It is ideal for subscribers who require high speed upload and download data.
  • Q-VDSL-CO-4-16 transmits data and voice simultaneously through existing telephone line.
  • Q-VDSL-CO-4-16 is 19 - rack-mountable.

Specifications

Performance

  • Up & Down Speed:
  • Max. 12.5 Mbps at 1.5 km (24AWG, no noise condition)
  • Max. 12.5 Mbps at 1 km (24AWG 0.5 mm CPEV cable)
  • Switch Fabric: 12.8 Gbps
  • Full Duplex Mode on all VDSL ports
  • Multiple data rate: 1~16 Mbps, full-duplex, Data & Voice transmission
  • Support symmetric & asymmetric data rate (1.5 / 2.3 / 3.1 / 6.2 / 9.3 / 12.5 / 16.6 Mbps)
  • Forwarding Mode: Store and Forward 
  • Port packet filtering / forwarding rate (pps; Packet Per Second): 14,880 pps - 10 Mbps / 148,809 pps - 100 Mbps
  • Mac Address table: 64K MAC address
  • Mac Address Aging time: Default 300 seconds
  • RA (Rate Adaptive) function
  • ETSI VDSL Standard compatible
  • Support IEEE 802.3 / IEEE 802.3u (10/100Base-TX)
  • Support half / full duplex transmission mode
  • Support backpressure function at half duplex transmission mode
  • Support flow control function at full duplex transmission mode
  • Modulation: QAM (Quadrate Amplifier Modulation)
  • Capacity: DSL: 16 * VDSL Ports (POTS 16 port); UPLINK: 4 *10/100 Base-TX Ethernet ports
  • Environment: Operational Temperature : 0~50°C; Humidity: 10%~90%, non-condensing
  • Dimensions: 460 mm (W) * 44.45 mm (H) * 390 mm (D) - 19" Rack Type, 1U

Software Function

  • Support QoS: IEEE802.1p/q 
  • Support VLAN: 802.1Q tagged VLAN / Port based VLAN
  • Control bandwidth: Control line rate per port
  • Support Multicast: IGMP snooping 
  • Management: Web based and Telnet
  • MAC address number limit per port : 1~4 MAC address
  • DHCP client Function
  • Provide Console port (RS-232C)
  • SNMP v1, MIB II
  • Ethernet multicast / broadcast storm packet control and Flow control support
  • Support load sharing by port trunking (A,B uplink port)
  • RFC 1213 MIB II
  • Security - login account create and delete
  • Connection timeout
  • Remote IP access limit: Limit remote Telnet access

Interface

  • Ethernet: RJ-45 Standard 10/100 Base-TX (4 ports)
  • VDSL Subscriber Line: RJ-11 (16 ports)
  • Console: RJ-45 to RS-232 cable provided
  • Power Consumption: AC: 90~240 (90~254 V) VAC, 50/60 Hz (47~63 Hz), Power : 50 W (Max)
  • LED Display:
  • Subscriber Link : Display VDSL line sync
    LINK/ACT: 10/100-Base-TX status / Data TX/RX
    10/100M: 10/100 Base-TX Speed(10M/100M) 
    HALF/FULL: 10/100 Base-TX Transmission Mode 
    PWR: System power supply
    ALM: System CPU error

VDSL Modem - Q-VDSL-CPE-102

Specifications

  • Compatibility: IEEE802.3, IEEE802.3u 10/100 Base-TX
  • Data Rate: 1 ~ 16 Mbps full-duplex, Data & Voice transmission
  • Modulation: QAM (Quadrate Amplifier Modulation)
  • Capacity: DSL: 1 VDSL Ports; Ethernet: 1 * 10/100 Base-TX LAN port
  • Ethernet Interface : RJ-45 Standard 10/100 Base-TX
  • VDSL Subscriber Line Interface: RJ-11
  • Power Consumption: Input : AC 90~240 VAC, 50/60 Hz, Output: 5 V / 1 A, Power: 5 W(Max)
  • Dimensions: 130 mm (W) * 25 mm (H) * 140 mm (D)
  • LED Display:
    PWR : System power supply 
    ACT: 10/100-Base-TX Data TX / RX
    Link: Connection with subscriber PC
    ALM: DSL line or modem initialization error
    Sync: VDSL line sync
    Environment: Operational Temperature : 0°C ~ 50°C
    Humidity : 10%~90%, non-condensing

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