DECserver 500: Difference between revisions

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[[Image:decserver_550_closed.jpeg|200px|thumb|right|Pedestal-mounted DECserver 550 with front cover installed]]
[[Image:decserver_550_closed.jpeg|200px|thumb|right|Pedestal-mounted DECserver 550 with front cover installed]]
The '''DECserver 500''' series is a line of [[DECnet]] [[terminal server]] devices from [[Digital Equipment Corporation|DEC]]; models in the line are 500, 510 and 550. They are housed in a [[BA213 Enclosure|BA213]] [[S-Box]] [[QBUS]] enclosure, and include:
* [[KDJ11-D CPU|KDJ11-D]] processor
* [[DESQA]] [[Ethernet]] controller
* One or more [[CXY08 8-Line Asynchronous Multiplexer|CXY08]] and/or [[CXA16]] or [[CXB16]] 16-line [[asynchronous serial line]] multiplexers


[[Image:decserver_550_open.jpeg|200px|thumb|right|Pedestal-mounted DECserver 550 with front cover removed]]
[[Image:decserver_550_open.jpeg|200px|thumb|right|Pedestal-mounted DECserver 550 with front cover removed]]
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[[Image:decserver_550_nameplate.jpeg|200px|thumb|right|DECserver 550 nameplate]]
[[Image:decserver_550_nameplate.jpeg|200px|thumb|right|DECserver 550 nameplate]]


The '''DECserver 500''' series is a line [[DEC]] [[terminal server]] devices. They are housed in a [[BA213]] [[S-Box]] [[QBus]] enclosure, and include:
The DECserver 500 series does not store configuration or [[firmware]] locally; rather, they are down-line loaded from a DECnet [[server]] through the Ethernet interface, using the DECnet [[MOP]] [[protocol]].
 
==External links==


* [[KDJ11-D]] J-11 processor
* [https://bitsavers.org/pdf/dec/ethernet/decserver_500/ decserver 500] - documentation at [[Bitsavers]]
* [[DESQA]] Ethernet controller
** [https://bitsavers.org/pdf/dec/ethernet/decserver_500/AA-HU81D-TK_DECserver_500_Use_Dec1989.pdf DECserver 500 - Use] (AA-HU81D-TK)
* One or more [[CXY08 8-Line Asynchronous Multiplexer]] or [[CXA16]] 16-line serial multiplexer
** [https://bitsavers.org/pdf/dec/ethernet/decserver_500/AA-HU80D-TK_DECserver_500_Management_Dec1989.pdf DECserver 500 - Management] (AA-HU80D-TK)
* [https://www.montagar.com/~patj/dec/pocket/decserver500_ref_card.pdf DECserver 500 Troubleshooting Quick Reference Card] (EK-DECS5-RC)


The DECserver 500 series does not store configuration or firmware locally; rather, they are down-line loaded over [[Ethernet]] via [[MOP]].
[[Category: DEC Systems]]
[[Category: PDP-11 Systems]]

Latest revision as of 11:32, 29 July 2024

Pedestal-mounted DECserver 550 with front cover installed

The DECserver 500 series is a line of DECnet terminal server devices from DEC; models in the line are 500, 510 and 550. They are housed in a BA213 S-Box QBUS enclosure, and include:

Pedestal-mounted DECserver 550 with front cover removed
DECserver 550 nameplate

The DECserver 500 series does not store configuration or firmware locally; rather, they are down-line loaded from a DECnet server through the Ethernet interface, using the DECnet MOP protocol.

External links