PS/55 Diagram

Please check  system diagram for Multistation 5550 series.
Multi-Station series had been rebadged as PS/55 in May. 1987 and had been continued for sale together with MCA PS/55 line.
Following diagram does not containe Multistation series in order to avoid confusion.
 
 PS/55  <------
    ----> PS/55Z  or LapTop
1987 MAY
      5570-S		 |
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1988 APR
      5570-T
     5550-S/T		 |
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|		  1988 NOV
  5530Z-286
1989 MAY
      5570-V0x
     5550-V0x		 |
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NOV
    5530-T		 |
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    5530Z-SX
1990 MAY
      5570-V1x
     5550-V1x
     5545-T		 |
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OCT
       5580-Y
    5560-W
       5540-T
     5535-S
      5530-T		 |
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1991 MAR |
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  5523-S
MAY
    5550-V2		 |
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     5510-T
     5510-Z
OCT
      5580-W		 |
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   5530-U
 8551-S N51sx


  5523SX
     5510-S
1992 FEB
    5551-W		 |
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|		   5527-U
  (N27sx)
JUN
     95XP-486
   5530-W		 |
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   5530-U-SLC/V
SEP  
     5560-N		 |
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OCT |
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   9552-Y
 (C52 486SLC)
1993 JAN   |
|		 9552-J
 (TP720C)
APR
   5551-N/Y		 |
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   5530-V2
OCT
    Server 95A
        9585
   5551-L
 PS/55E
 5538-Y/Z		 |
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1994 APR  
    5551-R
   5521Y
    5530-L		 |
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1995 JAN  PC720 6860
JUN  PC750 6886
 

 
 

                                                                 PS/55 index