CPE ADSL Splitter for ADSL over ISDN
ALS-10-EU/ISDN CPE ADSL Splitter for ADSL over ISDN
The ALS-10-EU/ISDN is a low-cost, compact, low pass filter designed for ISDN-BA with 2B1Q or 4B3T baseband line codes coinciding with ADSL signals. It integrates a low pass filters that block the high frequency energy from reaching the ISDN-BA device and provides isolation from impedance effects of the ISDN-BA device on the ADSL modem. Because the ISDN splitter connects directly to the subscriber loop media, it must also provide some protection for externally induced line hits or faults which could damage to any attached equipment or endanger humans interacting with the installed equipment. The circuit protection will be provided mostly by standard central office line protection means and additional protection measures built into splitter to protect against line overstress which could damage the splitter itself. The electrical and transmission specifications are based on ETSI TS 101 952-1-3 V1.1.1 for ISDN-BA requirements.
Read more...
CPE ADSL Splitter, Field for ITA, UK, FI, FR
ALS-10-IT CPE ADSL Splitter, Field for ITA, UK, FI, FR
The ALS-10 regional ADSL splitters are low-cost, compact, passive low-pass filters designed to provide POTS (Plain Old Telephone System) service to a line that is utilizing ADSL/VDSL technology and customized with regional country telephone plugs. This device is designed to eliminate interference to POTS equipment by blocking high frequency energy (20 KHz~12MHz). The ALS-10 provides point of entry filter to split the incoming line to the ADSL/VDSL modem and the POTS telephone.
Read more...
CPE ADSL Splitter / Micro-Filter
ALS-12 / ALS-M12 CPE ADSL Splitter / Micro-Filter
The ALS-12 / ALS-M12 are low-cost, compact, passive low-pass filters designed to provide POTS (Plain Old Telephone System) service to a line that is utilizing ADSL/VDSL technology. This device is designed to eliminate interference to POTS equipment by blocking high frequency energy (20 KHz~12MHz). The ALS-12 provides point of entry filter to split the incoming line to the ADSL/VDSL modem and the POTS telephone. The ALS-M12 is a micro-filter designed to simply drop a POTS telephone off a line carrying ADSL/VDSL signal.
Read more...
Data ( V.35 / X.21 / RS-530 ) Card
SHRM03b-TDM Data (V35/X21/RS530) Card
Read more...
G.SHDSL.bis TDM 31T
SHDTU03b-31T 2/4-Wire G.SHDSL.bis TDM (E1/T1, V.35, LAN) NTU
In one device, the SHDTU03b-31T offers three DTE I/Fs (E1/T1, V.35, and Ethernet), which can work simultaneously to share DSL bandwidth. The user-configurable interfaces provide flexible application for various service connections. The modem supports two different connectors for G.703 E1/T1 applications (balanced 120 Ohm E1 or 100 Ohm T1 RJ45, unbalanced 75 Ohm dual BNCs) at bit rates from 64kbps to 2.048Mbps. The V.35 interface provides high-speed TDM services by way of a DB25 I/F and adapter cable. The factory selected RS-530 interface will electrically support RS-530, X.21and RS-449 with appropriate adapter cable. The data rate of DB25 I/F may be up to 5.7Mbps within one pair copper wires or 11.4Mbps within two pairs copper wires. The modem provides 10/100Mbps auto-negotiated Fast Ethernet via an RJ45 LAN connector, which offers customer premise high-speed LAN over TDM services. The SHDTU03b-31T can be configured and managed via LCD, or menu-driven VT100 compatible asynchronous terminal Interface, either locally or remotely.
Read more...
Tahoe 4681 - Four-port G.shdsl.bis Modem Card
Tahoe 4681 - Four-port G.shdsl.bis Modem Card
The Tahoe 4681 is a 4-port G.SHDSL.bis card providing a total capacity of 32 G.SHDSL.bis lines in a single Tahoe DSLAM. Each line may work separately or they may be bundled within the card to support 1, 2 and 4 pair operation. Each modem port achieves a maximum throughput of 5.7 Mbps. The pairs can be bundled using up to 4 pairs giving speeds reaching 22.8 Mbps. With the Tahoe 4681 card it is possible to connect 4 Tahoe 681 modems, 2 Tahoe 682Tahoe 684 modems or 1 on the other end of the pairs. The traffic on these lines may be mixed together in bridge mode or separated using VLANs. As well as standard G.shdsl modulations they support TCPAM-32 coding - much more efficient than the standard TCPAM-16, giving higher throughputs and higher reach.
VDSL2 CO/ CPE Modem
VDTU2-104/ 204 VDSL2 CO/ CPE Modem
The VDTU2-104 / VDTU2-204 are VDSL2 (Very-High-Bit-Rate Digital Subscriber Line 2) ITU-T G.993.2 standard modems used as an access technology that exploits the existing infrastructure of copper wires that were originally deployed for POTS services. They can be deployed from central offices, from fibre-fed cabinets located near the customer premises or within buildings. ITU-T G.993.2 VDSL2 is the newest and most advanced standard of DSL broadband wire line communications. Designed to support the wide deployment of "triple play" services such as voice, video, data, high definition television (HDTV) and interactive gaming, VDSL2 enables operators and carriers to gradually, flexibly, and cost efficiently upgrade existing xDSL infrastructure. ITU-T G.993.2 (VDSL2) is an enhancement to G.993.1 VDSL that permits the transmission of asymmetric and symmetric (Full-Duplex) aggregate data rates up to 200 Mbit/s on twisted pairs using a bandwidth up to 30 MHz. VDSL2 deteriorates quickly from a theoretical maximum of 250 Mbit/s at 'source' to 100 Mbit/s at 500m and 50 Mbit/s at 1km. From 1km and beyond, VDSL2 degrades at a much lower rate, performing the same as ADSL2 but still outperforming standard VDSL. This means that VDSL2-based systems, unlike VDSL1 systems, are not limited to short loops or MTU/MDUs only, but can also be used for medium range applications.
Read more...
|
|
|
Page 1 of 3 |
