ISDN
Integrated Services Digital Network
ISDN (Integrated
Services Digital Network) is a set of communications standards that enables
a single wire (or optical fibre) to carry voice, data, and video. It gives a
user up to 56K of data bandwidth on a phone line (when also used for voice) or
up to 128 Kbps if the line is only used for data.
There are two types of ISDN:
Basic Rate
Interface (BRI) -- consists of two 64-Kbps B-channels and one D-channel for
transmitting control information.
Primary Rate Interface (PRI) -- consists of 23 B-channels and one
D-channel (U.S.) or 30 B-channels and one D-channel (Europe).
The original version
of ISDN employs baseband transmission. Another version, called B-ISDN, uses
broadband transmission and is able to support transmission rates of 1.5 Mbps.
B-ISDN requires fiber optic cables and is not widely available. Most
recently, ISDN service has largely been displaced by broadband internet
service, such as xDSL and Cable Modem service. These services are faster,
less expensive, and easier to set up and maintain than ISDN. Still,
ISDN has its place, as backup to dedicated lines, and in locations where
broadband service is not yet available.
Data Connect
Enterprise offers a full range of ISDN Products
Patton ISDN |
Remote Access Server RAS |
Patton SN1200/2VL/UI |
Patton SN1200/2VIL/UI |
Patton SN4552/2BIS/EUI |
Patton Electronics SmartNode VoIP Interface Card IC-4BRV
Card 4 ISDN BRI Interfaces |
Patton SN1400/4VL/UI |
Patton SN1400/4VIL/UI |
Patton SN2300/4BRVIL/UI |
Patton SN2300/4BRV4FXSIL/UI |
Patton SN2300/8BRVIL/UI |
Patton Electronics SmartNode Interface Card IC-E1V |
Patton Electronics 2960/24 24-Port, V.92/V.110/V.90/ISDN,
Dial-Up Remote Access Server RAS |
Patton Electronics 552 Telco Line Surge Protectors Dial-Up, Leased-Line,
DDS, T1/E1, ISDN |
Patton Electronics 2977 PCI RAS Cards (Formerly Digi) |
Patton Electronics VoIP ToIP Products SmartNode VoIP
Gateway Routers |
Patton Electronics 3120 96- or 120-port, V.92 V.110 V.90
ISDN, Dial-Up Remote Access Server RAS |
Patton Electronics 2996/120 120-Port,
V.92/V.110/V.90/ISDN, Dial-Up Remote Access Server RAS |
Patton Electronics 2960/16 16-Port, V.92/V.110/V.90/ISDN,
Dial-Up Remote Access Server RAS |
Patton Electronics 2960/30 30-Port, V.92/V.110/V.90/ISDN,
Dial-Up Remote Access Server RAS |
Patton Electronics 2960/60 60-Port, V.92/V.110/V.90/ISDN,
Dial-Up Remote Access Server RAS |
Patton Electronics 2996/96 2996 96-Port,
V.92/V.110/V.90/ISDN, Dial-Up Remote Access Server RAS |
Patton 2996/96 RAS Remote Access Server 96 Port 2996/96R/RUI
ISP Dial Up |
Patton_2960_remote_access_server |
Patton Electronics Model 3324 DSL Concentrator / Switch |
Patton Electronics 1058 12.5 Mbps VDSL Voice and Data
Modem |
Patton Electronics SmartNode 2300 Modular VoIP Access
Router |
DataFire RAS |
Patton Electronics SmartNode 2400 Modular VoIP Media
Gateway |
Patton Electronics 1068 DSL Modem Variable Rate VDSL
Modems |
Patton Electronics SmartNode 1200 ISDN BRI VoIP Media
Gateway |
Patton RAS |
Patton Electronics SmartNode 1400 Multi-Port BRI VoIP
Media Gateway |
Patton Electronics SmartNode 4110 VoIP ToIP Gateway
Access Device SN4112 SN4114 SN4116 SN4118 |
Patton Electronics SmartNode 4520 Gateway Router VoIP
ToIP SN4524 SN4526 SN4528 SN4524 SN4528 |
RAD ISDN |
RAD U-RPT IDSL Repeater |
RAD WEB RANger Internet Access Routers |
RAD IMX-64 Inverse Multiplexer |
RAD APD-8 8-Channel FRAD/X.25 PAD |
RAD IMX-2 Inverse Multiplexer and Leased Line Backup Unit |
RAD APS-8, APS-16, APS-24 8-, 16-, 24-Channel
Multiprotocol FRADs/PADs and Switches |
RAD ITA-703 Rate and Interface Converter |
RAD MAXcess-30 Bandwidth Manager for Frame Relay and
Leased Lines |
RAD FCD-IP E1/T1 or Fractional E1/T1 Access Unit with
Integrated Router |
RAD FCD-IPM E1/T1 or Fractional E1/T1 Modular Access
Device with Integrated Router |
RAD SPS-3S Multiprotocol Packet Switches |
RAD SPS-6, SPS-12 Multiprotocol Packet Switches |
RAD MAXcess-300 Bandwidth Managers for Frame Relay and
Leased Lines |
RAD LA-140 Advanced ATM Integrated Access Device |
RAD FCD-E1I E1 or Fractional E1 Access Unit with S
Interface |
RAD LA-104 High Speed ATM Integrated Access Device |
RAD LA-104 High Speed ATM Integrated Access Device |
RAD TRE16-1, TRE16-8 Single Link Token Ring Remote Access
Routers |
RAD MBE10-8 Single or Dual Link Ethernet Remote Access
Router |
RAD IPmux-1 IPmux-1E TDMoIP Gateway |
RAD MAXcess-3000 Bandwidth Manager for Frame Relay and
Leased Lines |
RAD Megaplex-2200 Modular Integrated Access Multiplexers |
RAD DXC-STM-1 Multiservice Access Node and Add-Drop
Multiplexer |
RAD WEB RANger-II Internet Access Routers |
RAD Kilomux-2100, Kilomux-2104 Data, Voice, Fax and LAN
Integrating Multiplexers |
RAD Vmux-110 Voice Trunking Gateway |
RAD Megaplex-2100H Frame Relay/TDM/IP Access Multiplexer |
RAD DXC-30E Enhanced xDSL Multiservice Access Node |
RAD DXC-8R, DXC-10A, DXC-30 Multiservice Access Nodes |
RAD Megaplex-2100, Megaplex-2104 Modular Integrated
Access Multiplexers |
Contract Buying and Volume Discounts
available !!
Please contact us
301-924-7400