Specifications

4 AT-8900 Series Switch
C613-03075-00 REV A
Mounting System
•1U rack mounting
Environmental Conditions
Operating temperature range: 0 to 50º C (32 to 122º F)
Storage temperature range: -25 to 75º C (-13 to 167º F)
Relative humidity range: 5 to 95% non-condensing
Operational altitude: 3,050 metres maximum (10,000 feet)
Regulatory Standards
AC models
EMC: EN55022 class A, FCC class A, and VCCI class A
EN61000-3 levels 2 (Harmonics), and 3 (Flicker)
Immunity testing to EN55024
Safety: UL60950, CAN/CSA-C22.2 NO. 60950-00, EN60950,
AS/NZS3260
Certification: UL, cUL, TUV
DC models
EMC: EN55022 class A, FCC class A, and VCCI class A
Immunity testing to EN55024
Safety: UL60950, CAN/CSA-C22.2 NO. 60950-00, EN60950,
AS/NZS3260
Certification: UL, cUL, TUV
LEDs
Port and System status LEDs
For a complete list of LEDs and their functions, see “LEDs and What
They Mean” on page 24
Power Supply Unit
PSUs are hot-swappable and load share
AC models
Universal 100/240 VAC 47/63 Hz input
Maximum continuous current draw, 2.2A at 100V, 1.1A at 230V
Maximum inrush current (cold start at 25º C/77º F), 70A at 240V, 32A at
115V
DC models
40 to 60 V, 48 V nominal
Supports either positive grounded or negative grounded operation
Maximum continuous current draw, 3.9A at 36v
Maximum standby current, 100mA