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 | DIGI INTERNATIONAL - DIGI ETHERLITE 2 - TERMINAL SERVER - 2 PORTS - EN, RS-232 The Digi EtherLite® network serial concentrator connects asynchronous serial ports to your network. The EtherLite Family replaces the installation of serial adapters in servers for applications in POS/retail, process control, data collection and console management of clusters, routers, hubs, switc price: $329.85 |
 | ATLAS 550 DUAL T1/PRI MODL ATLAS 550 DUAL T1/PRI MODL price: $651.11 |
 | MX2820 MUX CARD FOR DS3 M13 MULTIPLEXOR FUNCTION The MX2820 MUX cards are capable of combining independent T1s, E1s, or T1s and E1s on the same DS3. Each pair of MUX cards provides built-in 1: 1 redundancy on the DS1 and DS3 signals. Advanced diagnostics include CSU loopbacks, NIU loopbacks, C-bit loopbacks, and built-in BERT (Bit Error Rate Testing) capabilities. price: $797.31 |
 | MX2820 19IN CHAS MX2820 19IN CHAS price: $959.77 |
 | IOLAN SCS8 8PT RS232 RJ45 AC RACK DUAL GIGABIT ETH The IOLAN SCS is the most advanced series of multi-port console servers available. Delivering the highest level of reliability and performance in a 1U form factor, an IOLAN SCS offers robust security, flexibility and next generation IP technology, ideal for managing remote equipment via their seri price: $967.27 |
 | ATLAS 550 QUAD T1/PRI MODL ATLAS 550 QUAD T1/PRI MODL price: $1076.65 |
 | CISCO 2-PORT RJ-48 MULTIFLEX TRUNK - T1 This module supports voice, data, and integrated voice/data applications. For data applications, the VWIC provides a dual-port WAN Interface Card (WIC) for T1/FT1 with an integrated DSU/CSU. For a packet voice solution, the VWIC provides a dual-port Voice Interface Card (VIC) with integrated DSU/C price: $1223.80 |
 | TSU 120E EMBEDDED SNMP DSX-1 PBX & V35 The TSU 120e is modular, full-featured T1/FT1 multiplexer designed to support a wide range of end-user applications. price: $1577.07 |
 | ACCELEPORT C/X 16PT PCI-I/O ADPT W/ RJ45 RACK A single AccelePort C/X host PCI Universal (3.3V & 5V) adapter, which includes a powerful on-board processor, supports up to eight C/CON Concentrators, providing up to 128 surge-protected ports from a single slot on your server. A system start out with 16 ports and easily expand by adding C/CO price: $1594.11 |
 | ISU 512 ISDN INV MUX 512K U INT BONDING V35 RS-530 RS-366 SYNC The ADTRAN ISU 512 is a standalone ISDN Service Unit that connects data terminal equipment (DTE) to the ISDN network. The ISU 512 is specifically designed as a low-cost solution for applications such as video-conferencing, T1 backup, LAN/WAN connectivity, and high-speed file transfer. The ISU 512 is designed as a cost-effective inverse multiplexer for 384 kbps videoconferencing. Some video-conferencing products operate in a dual port mode. The ISU 512 is designed to operate in a dual port mode making it backward compatible with videoconferencing systems utilizing two Switched 56 DSUs or a dual port ISDN terminal adapter. The ISU 512 connects directly to the ISDN network using up to four Basic Rate ISDN (BRI) lines. By terminating four BRI circuits, the ISU 512 can create an aggregate bandwidth of up to 512 kbps which can be used to backup a T1 circuit. Since ISDN is a switched digital service, bandwidth can be established and utilized on an as needed basis. Therefore, the ISU 512 is well suited for applications where a high bandwidth connection is needed to support bursty or infrequent traffic like medical image or large file transfer. The ISU 512 may utilize either the V.35 or RS-530 DTE interface and supports synchronous data rates from 56 kbps to 512 kbps. At rates over 64 kbps, the BONDING Mode 1 inverse multiplexing protocol synchronizes data using from one to eight 64 kbps B channels. By supporting BONDING the ISU 512 interoperates with other BONDING-compatible inverse multiplexers and ISDN terminal adapters. The ISU 512 can be configured and maintained, locally or remotely, using a VT 100 terminal interface. For remote configuration, the unit can be accessed over the ISDN line or externally through the CHAIN IN port on the back panel of the unit. The front panel of the ISU 512 consists of a two-line by 16 character LCD display, seven LEDs, and a 16-button keypad. This allows for configuring, dialing, testing, and monitoring of the unit without data terminal or test equipment. Dialing from the unit is accomplished by using the front panel, stored numbers, DTR assertion, or V.25 bis in-band dialing. The RS-366 parallel dial interface is available for applications such as video-conferencing. The ISU 512 also supports dedicated 2B1Q services. This provides a dedicated point-to-point service (as in a limited distance modern or leased line application) with no dialing necessary. price: $1863.73 |
