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DT-2020i - SAM Traffic of IP Networks

DT-2020i - SAM traffic over IP
Independent of BNS Networks

 

The Synchronous Asynchronous Multiplexor (SAM) family of concentrators has been a reliable mainstay for many customers of the BNS-2000 Family of products. However, as you plan to transition your backbone network towards one that is IP based give strong consideration to the DT-2020i Inter-Networking Mediation Interface For SAM Concentrators.

The DT-2020i transforms the embedded base of SAM concentrators into versatile IP based terminal servers. It maintains all the features and functionality of the SAM without additional cost or the need for BNS. It connects terminals, modems, and microcomputers over serial lines to local area (IP) networks (LANs) or wide area (IP) networks (WANs).

What is a DT-2020i?

The DT-2020i is a mediation product, which allows for the re-use of a SAM endpoint interface concentrator (up to 128 ports) on an IP infrastructure without any BNS equipment.

  The DT-2020i supports all of the SAM port options, and is compatible with the mediation function of the DT-4000. The DT-2020i provides a TELNET over TCP path, or a transparent TCP path, for each user port on the SAM concentrator. These ports may then connect to an arbitrary IP host without an intermediary interface. This is normally the case for Asynchronous protocols. It is also true of Synchronous Protocols where the peer host has implemented the framing interface per the appropriate RFCs. For hosts which are not directly compatible with these specifications, the circuit will need to traverse a mediation gateway such as the DT-6061.

Built-in Flexibility

The integrated DT-2020i is a direct replacement for the existing SAM 64/128/504-trunk module. As such, no external device is required.The DT-2020i, through its I/O board, interfaces directly to the IP network.

 


 

Smart Network Management

The DT-2020i is easy to manage and provides several easy ways to configure and get status/diagnostic information.An industry standard Telnet connection to the DT-2020i gives you access to a command line based configuration application. In addition, a serial RS-232C connection gives you the same configuration capability. Finally, the DT-2020i is another network element that the StarKeeper® II NMS can administer, manage and maintain.

SNMP

The DT-2020i unit. s resident SNMP agent supports a database of predefined SNMP MIB (Management Information Base) variables as well as SNMP Trap operations, Set operations and Get operations.

Software Update

Field software updates, which can occur from a remote location, take place while the DT-2020i is in service and transporting data. As new features and enhancements are released, the DT-2020i software can be upgraded by installing a new software release using an industry standard Telnet application or serial RS-232C connection to the DT-2020i.

  The above configuration is not the only possible one. However, it does depict some of the interesting interface capabilities of the DT-2020i.

  • A port on the DT-2020i connected SAM could be having a session directly with an IP host.
  • A second port on the DT-2020i connected SAM could be having a session directly with a device sit- ting off a DT-4000.
  • A third port on the DT-2020i connected SAM could be connected to a fourth port on the same DT-2020i. Local switching is done at the DT-2020i connected SAM (Note:The functionality of the DT- 2020i is built into the DT-4000.)
  • A fifth port could be connected to an IP Host via a mediation application in the DT-6061.This allows any protocol (even selective broadcast applica- tions) to be directly supported by the DT-2020i. DT-2020i-SAM traffic over IP Independent of BNS Networks CBM CO/SAM128 DT-2020i

 

   
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