azteqcorporat's blog: "DEC equipment"

The DECbridge 90 is a specialized LAN (local area network) tool that connects Ethernet or IEEE 802.3 LANs to form a single extended LAN.  LAN, frequently called the backbone, can consist of an unobstructed number of stations. The other LAN, often called the work group, is usually the smaller of the LANs. The work group LAN is normally restricted to 200 stations.

There are models of the DECbridge 90. Both models connect to the work group with a Thin Wire (10Base2) connection, and have the choice to connect to the backbone using either an integral transceiver or a 15-pin AUI connection. The DECbridge 90 includes an integral transceiver for a Thin Wire (10Base2) backbone connection. The DECbridge 90FL contains an integral transceiver for a fiber optic (10BaseFL) connection.

The DECbridge 90 firmware contains parts: the Flash part, and the base part. The Flash part (also called FPROM) contains the console command language, remote network management, hub management, and the spanning tree algorithms. This upgrade replaces only the Flash part. Before performing this upgrade, your DECbridge 90 ought to contain the FPROM one.5, FPROM one.6, FPROM three.0 or above. After the upgrade, it will be FPROM three.9. This version number is displayed when you connect to the DECbridge 90 management console.

The base (or ROM) part contains the analytics, algorithms for loading the Flash ROM, & the application assist to the ridging algorithms. The base part is not changed by the upgrade. Your base part ROM version (for e.g.; 1.14 or 2.1) will stay the same. The base part firmware version is linked to the hardware revision. Older DEWGB units with base part firmware Version one.14 are often called "Version 1" hardware. All DEWGF & newer DEWGB units are "Version 2" hardware & use base part firmware V2.1 or V2.2.

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It’s difficult to discover a stronger, more reliable performer that provides better value than the HP AlphaServer GS1280 process. If the AlphaServer GS1280 process is already running your IT, you previously know what a powerhouse platform it is for telecommunications, business intelligence, business applications, high-performance technical computing (HPTC), and server consolidation. With up to 64 EV7z one.3 GHz processors, HP AlphaServer GS1280 systems deliver up to times the performance over earlier 32-way systems.

While getting much more done with a lot less hardware, the HP AlphaServer GS1280 method has also proven the most reliable AlphaServer method ever designed. The high-level integration of the EV7 system-on-a-chip means dramatically fewer parts and corresponding higher reliability. In fact, after years of operation involving over 600 systems in diverse locations throughout the world, the AlphaServer GS1280 method has proven to be the most reliable AlphaServer method ever.

The AlphaServer GS1280 system’s ability to generate partitions as tiny as processors is yet another attribute that delivers increased suppleness & worth. While the ability to partition is obtainable on all EV7-based AlphaServer systems, HP AlphaServer GS1280 method partitions can virtually deliver up to 32 systems depending on the configuration you select.

These partitions can run OpenVMS & Tru64 UNIX along with different purposes. This gives you the capability to create or test an application in partition while other partitions handle your operational workload.

The HP AlphaServer GS1280 process proudly sits at the highest finish of obtainable servers & continues to be a widely popular solution for the most demanding enterprises.

Features:

• Up to 64 Alpha 21364 EV7 processors at 1300 MHz and 1150 MHz with advanced on-chip memory controllers and switch logic able to providing 12.3 GB/s of memory bandwidth per processor
• Choice of memory options; up to 8 GB of RDRAM memory per CPU supported (512 GB total for a 64P technique)
• Redundant features providing maximum uptime - N+1 Voltage Regulator Modules (VRMs); hot- plug redundant power supplies; cooling provided by hot-plug redundant technique fans; dual AC input is standard
• Optional RAID memory support
• Standard I/O Drawer with 11 configurable PCI-X/PCI slots and AGP slot; hot-swap power supplies
• High-performance I/O Drawer with eight PCI-X slots @133 MHz; hot-swap power supplies
• Enhanced reliability with ECC-protected memory, processor cache, and technique knowledge paths

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In computer networking, DECserver initially referred to a highly successful relatives of asynchronous console server / terminal server / print server products introduced by Digital Equipment Corporation (DEC) & later referred to a class of UNIX-variant application & file server products based on the MIPS processor., DEC sold its Network Products Business to Cabletron in February 1998, which then spun out as its own corporation, Digital Networks, in September 2000. From January 2008, Digital Networks began doing business as Vnetek Communications, & continues to manufacture, market, sell, & service DECservers

History

DECservers were introduced in 1985 and its first model was the DECserver 100. This and all later DECserver models used the Local Area Transport (LAT) protocol which was/is also supported by plenty of DEC operating systems including VAX/VMS, OpenVMS, RSX-11, RSTS/E and Ultrix (an implementation of UNIX). Every DECservers were planned to boot their operating systems across the network using DECnet MOP Maintenance Operations Protocol with later models supporting TCP/IP booting using bootp protocol. Afterward models also maintain booting from flash memory cards.

DECserver 700-08

The original DECserver 700-08 (-A*, -B*) was replaced in 1993 with the -E* & -F* models. The original units ran DECserver 700 program & were configured with one MB of operational memory. The next units were configured with four MB of operational memory, an internal slot for a two MB Flash card & ran DNAS (DECserver Network Access Program). The -E* & -F* were retired in 2002.

Model number: DSRVW-A*, DSRVW-B*, DSRVW-E*, DSRVW-F* Ports: 8 DB25
Replaced by: DECserver 708, 8 ports DB9 or DECserver 716, 16 ports RJ45

DECserver 700-16

The original DECserver 700-16 was replaced in 1993 with the -G* and -H* models. The original units ran DECserver 700 program and were configured with one MB of operational memory. The -G* and -H* models were configured with four MB of operational memory, an internal slot for a two MB Flash card and ran DNAS (DECserver Network Access Program). The -G* and -H* were retired in 2001.

Model numbers: DSRVW-C*, DSRVW-D*, DSRVW-G*, DSRVW-H* Ports: 16 RJ45
Replaced by: DECserver 716; DECserver 732

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The DECbrouter 90 multiprotocol bridging router provides seamless network access for remote sites connecting to the enterprise network. The result of a joint development work between Digital and Cisco Systems, Inc., the product combines Digital's innovative, modular DEChub hardware with the rich suite of networking protocols offered in Cisco's IOS program. This provides DECbrouter 90 with matchless multiprotocol interoperability across WAN connections with Digital routers, Cisco routers and Cisco OEM routers offered by other vendors.

Like all the members of the DEChub relatives, DECbrouter 90 works as a standalone bridging router or as a module within a DEChub clever hub. DECbrouter 90 is available in versions -- 802.3/Ethernet to a single T1/E1 port, & 802.3/Ethernet to T1/E1 port & 64 kilobit per second port. In addition, the product supports the following network protocols: TCP/IP, DECnet Phase IV, DECnet/OSI, CLNP [OSI], Novell IPX, AppleTalk Phase II, Xerox XNS, Banyan Vines, SNA/SDLC; routing protocols: IGRP/EIGRP, Integrated IS-IS, ISO IS-IS, RIP, EGP, BGP3/4, OSPF, IPX RIP, AppleTalk RTMP; bridging protocols: IEEE 802.1d; knowledge inks: HDLC, PPP, X.25, Frame Relay, SMDS; & management (Console/Telnet, SNMP).

Key Features And Their Benefits:

Flash Memory            

Program is pre-loaded on the DECbrouter 90 flash memory, eliminating downline loading requirements.

BGP4

BGP4 supports classless interdomain routing, which lets you reduce the size of routing tables by generating the aggregate routes leading to supernets. This will permit the core routers in the Web to handle the growing number of routers without consuming memory at a rate linear to growth.

IGRP/EIGRP            

Full interoperability with all installed Cisco & Cisco-based router products.

Compression           

Synchronous serial interfaces support point-to-point compression. Information Compression is supported when using LAPB or Multi-LAPB for increased through put and shorter file transfer time and lower line charges.

PPP Information Link Support for Bridging & IPX      

This feature now provides DECbrouter 90 industry standard interoperability over the wide area network.

Frame Relay Sub interfaces     

With V10.06 application the DECbrouter 90 can now treat Frame Relay as a LAN or point-top-point WAN providing improved interoperability with the DECNIS relatives of backbone routers over Frame Relay networks.

Prerequisite Hardware:             

Listed below are the prerequisite DECbrouter 90 method part numbers identifying the version hardware platforms necessary to run V10.06 application:

DEWB1-DA, -DD, -DE, -DK, -DT, -DX, -DZ, -EJ, -NA
DEWBR-DA, -DD, -DE, -DK, -DT, -DX, -DZ, -EJ, -NA
 DEWB2-DA, -DD, -DE, -DK, -DT, -DX, -DZ, -EJ, -NA

Prerequisite Software:

DECbrouter 90 operates on any 802.3/Ethernet network. All necessary programs is pre-loaded, therefore, no additional program is necessary.

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