1994. 4  .1
                              KIM HYUN


SUBJECT: SUN NET MCP OVERVIEW

DESCRIPTION :

1. °³¿ä

 . hardware/software·Î ±¸¼ºµÈ ÁÖº¯ÀåÄ¡

 . Sun-3, Sun-4 ½Ã½ºÅÛµéÀÇ Åë½Å±â´ÉÀ» È®Àå½ÃÄÑ ÁÜ

 . multiprotocolÀÇ Áö¿ø°ú µ¿½Ã¿¡ µ¿±â, ºñµ¿±â Åë½ÅÀ» Áö¿ø


2. ±¸¼º¿ä¼Ò

 . ÇϳªÀÇ VMEbus board

 . DMA¸¦ Áö¿øÇÏ´Â µÎ°³ÀÇ RS-232C/RS423 port¿Í µÎ°³ÀÇ RS-449 I/O port

 . synchronousÅë½ÅÀ» Áö¿øÇϱâ À§ÇÑ driver software
  (ºñµ¿±â Åë½ÅÀ» Áö¿øÇϱâÀ§ÇÑ software´Â OS¿¡ Æ÷ÇÔ)

 . A loopback connector


3. MCP°¡ Áö¿øÇÏ´Â »ç¾ç

 . SunNet X.25 ( line speed´Â 56Kbps±îÁöÀε¥, ÀÌ´Â TymnetÀ̳ª Telnet°ú
   °°Àº °øÁ߸ÁÀ̳ª, »ç¼³ switching nodeµéÀÇ throughputÀÇ Á¦ÇÑÀÌ´Ù)
 . SunNet DDN (Depense Data Network)
   line speed´Â 56Kbps±îÁöÀ̸ç, ÀÌ´Â DDNÀÇ ÃÖ´ë ¼ÓµµÀÌ´Ù.
 . SunLink BSC RJE
 . SunNet IR ( point-to-point link¸¦ ÅëÇÏ¿© ÃÖ´ë 500Kbps±îÁö °¡´É)


4. Ư¡

 . Serial Åë½ÅÀ» À§ÇÑ 4°³ÀÇ port Á¦°ø

  - 2°³ÀÇ RS-232C/RS-423 ports ( for synchronous or asynchronous, 38.4Kbps )

  - 2°³ÀÇ RS449 ( for synchronous, 500Kbps )

 . 32-bit VMEbus interface

 . µ¿±â, ºñµ¿±â Åë½ÅÀ» À§ÇÑ Buffer

  - 56K RAM ( for ASYNCH transmit and SYNCH transmit/receive )

  - 8K FIFO ( for ASYNCH/BISYNCH receive )

Revision History
Created  on Apr. 01. 1994