IP-video transfer over great distances
it is the material prepared for CCTV 2009 catalogue to be published on September, 2 2009 by Groteck publishing house (www.groteck.ru). The electronic edition of the catalogue in iMag format is available
SG-17B is now ready for bulk delivery
A significant number of modems from the new SG-17B line with 15.2 Mbit/s on single pair are now available. Today SG-17B is the fastest and one of the most affordable modems. Take a minute to compare! According to www.price.ru the prices for various SHDSL modems fall within the following range:
Testing the SG-17B SHDSL 15,2 Mbit/s on the unique Baikal neutrino telescope
The Federal Communications Agency of the Russian Federation authorizes using the fastest SHDSL modems on communication lines
The Sigrand SG17 telecommunication equipment underwent the registration procedure in the Federal Communications Agency of the Russian Federation. Certification tests were run to conform to the following operating requirements:
The new Web interface for the SG-16R and SG-17R routers is now faster and easier
New extension modules for the Sigrand SG-17R multipurpose platform
The fastest and the most compact SHDSL modem
SG-17R: technical decisions based on new technologies
The list of mostly typical examples of the universal multiservice platform SG-17R usage is made. The given suggestions demonstrate the using of new designs directed at the corporative sector needs, telecoms operators, providers, creating of new telemetry data receiving systems, etc. Download ...
VoIP based on the universal multiservice platform SG-17R
The delivery of MR-17V voice modules supporting the VoIP technology for the universal platform SG-17R is started. The product contains the basic module where up to 4 FXO and FXS modules can be installed. Each of submodules has two channels for both station and service side. Thus, up to 8 channels and interface of the similar type can be acquired, or a “hybrid” variant, combining ...
New algorithm for the “bonding” mode for SG-17R platform is implemented
Nowadays it is possible to unite freely channels with different bandwidth and aggregate effectively the rests of the IP-traffic bands within the using of the mode of E1+Ethernet multiplexing in pairs having the similar line speed, but different number of slots. Bonding-mode allows keeping the channel safe independently on the operability of any pair as a part of a common trunk, and also unite ...
14 Megabit version SG-17 is available for order
New version suggests MR-17H/ MR-17HP2 modules - for one and MR-17H2/ MR-17H2P2 – for two channels, and regenerators SG-17EP – for one - and SG-17E2P – for two pairs. New possibilities allow transferring up to 6 E1 streams and while using multiple-wire enclosure, the total speed rises in amount of used ...
SG-17R platform functionality of the actual software version
Concise description of SG-17R platform functionality of r890 version:
- Remote software update;
- Configuration via web-interface;
- Configuration saving and rebuilding;
- Saving of interchangeable interface settings with binding to the slot’s number;
- Logging of events;
- Independent adjustment of Ethernet switchboard ...
Ethernet-services based on VLAN for SG-17R
An additional functionality, providing the work of different Ethernet-services based on VLAN technology which allows dividing different users’ traffic, transferred in the single data transfer was implemented for multiservice platform SG-17.
Configuration of VLAN and the other types of Ethernet services is realized via administration web-interface. Configuration description is ...
Multiple-pair mode based on SG-17R
The testing SG-17R platform of one of “Rotelecom plc.” Siberian subsidiary’s object was realized. The work took place in Kochenevo district of Novosibirsk region. For organization of communication in 15,6 km long area, 6 pairs of wires were used. Connection was realized by means of SG-17R 1RU routers containing three MR-17H2 (2xSHDSL) modules each of them. The data transfer ...
The fastest modems are here as before :)!
SHDSL Sigrand SG-17 has operating speed up to 14 Mbit/sec working via one pair. The testing of updated version of modems SG-17+ on the cable with section 0,5 mm was made.
Kbit/sec – m
14080 - 1200
12800 - 1200
11520 - 1400
10240 - 2000
9216 - 2200
8192 - 2400
7168 - 3000
6144 - 3400
5696 - 3600
5120 - 3800 ...
New chapter is added
A new chapter, concerning digital video cameras is added into the “production” category. There is the information about the new type of goods, prepared ...