Sun Microsystems, Inc.   Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition
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Performance Technologies 250 Watt Power Supply

Netra CT 820

370-6047
Performance Technologies ZT6313
Power One CPD 250-4330S184
DC Input Power Supply

DC Input

-36V to -75V *
-36V to -60V   34.7A - 20.8A **
* Specifications printed on the ZT6313
** Specifications printed on the Chassis

DC Output

+3.3V +5V +12V -12V
40A 40A 5.5W 1.5W

Netra CT 820 Codename: Sanibel21

Notes

  1. The Power Supply is not labeled with a Sun part number.
  2. The Power Supply is not itemized on the packing sheet.
  3. The power standby switch on the rear of the chassis does not turn off power to the system. Disconnect the power source to remove power to the system.

Installation Notes

  1. Ring terminals are not provided with the Netra CT 820.
  2. Use 1/4" ring terminals on the -48VDC and RTN posts.
  3. Input power of 34.7A is based on 4 × 250W × 1/.8 efficiency ÷ -36V.
  4. Input power of 20.8A is based on 4 × 250W × 1/.8 efficiency ÷ -60V.
  5. Use copper conductors on the -48VDC and RTN posts sized for the input current.
  6. Use 1/4" ring terminals with 12 AWG wire for the Chassis Ground posts.

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