9079 base I/O expansion unit or 5074 expansion unit

Hardware specifications provide detailed information for your expansion unit, including dimensions, electrical, power, temperature, environment, and service clearances.

Table 1. Hardware specifications

Pictured is the 9079 base I/O expansion unit or 5074 expansion unit.

The 9079 base I/O expansion unit is included with models 9406-840 and SB3.

Dimensions are shown for the 9079 base I/O expansion unit or 5074 expansion unit. Measurements DO NOT include models 9406-840 or SB3.
picture of 9079 expansion unit
Dimensions Width Depth Height Height in 0551 rack2
Metric 485 mm 1075 mm 910 mm 18 EIA
English 19.1 in. 42.3 in. 35.8 in. 18 U
 
Maximum configuration weight 280 kg (617 lb.)  
Electrical   
kVA   1.100
Rated voltage and frequency   200-240 V ac at 50-60 plus or minus 0.5 Hz  
Thermal output   3379 Btu/hr  
Power requirements (maximum)   990 W  
Power factor   0.9  
Inrush current  42 A 
Leakage current (maximum)  3.5 mA 
Phase 1
Plug type (Canada and U.S.)

Type 10 (1453 for 6 ft. power cord p/n 14F1549) and (1454 for 14 ft. cord p/n 14F1550),

Type 34 (1455 for 6 ft. power cord p/n 14F1551) and (1456for 14 ft. cord p/n 14F1552), or

Type 5 (1451 for 6 ft. power cord p/n 14F1547) and (1452 for 14 ft. cord p/n 14F1548

Power cord length 1.8 m (6 ft.) (U.S. only) 4.3 m (14 ft.)
Temperature requirements  
Operating 10 to 38 degrees C (50 to 100.4 degrees F)  
Nonoperating 1 to 60 degrees C (33.8 to 140 degrees F)  
Environment requirements   Operating   Nonoperating  
Noncondensing humidity   8 to 80%   8 to 80%  
Wet bulb temperature   23 degrees C (73.4 degrees F)   27 degrees C (80.6 degrees F)  
Maximum altitude 3048 m (10000 ft.)  
Noise emissions1 Operating   Idle  
LWAd 6.7 bels 6.6 bels
LpAm (1-meter bystander) 49 dB 49 dB
Service clearances
Front Back Sides3 Top3
762 mm 762 mm 762 mm 762 mm
30 in. 30 in. 30 in. 30 in.

Note:

  1. For a description of noise emission values, see the Acoustics chapter of the Site Preparation and Physical Planning Guide, SA76-0103.
  2. Feature code 0574 is equivalent to the 5074 expansion unit. Feature code 0123 is equivalent to a 5074 lower unit in.rack.
  3. Side and top clearances are optional when operating.