Catalyst 3850 Switch Hardware Installation Guide
Technical Specifications
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Technical Specifications

Technical Specifications

Environmental and Physical Specifications

This table describes the environmental specifications.

Table 1 Environmental Specifications for the Switch

Environmental Ranges

Operating temperature

1

23 to 113°F (–5 to 45°C)

Storage temperature

–40 to 158°F (–40 to 70°C)

Relative humidity

5 to 95% (noncondensing)

Operating altitude

Up to 10,000 ft (3000 m)

Storage altitude

Up to 15,000 ft (4500 m)

1 Minimum ambient temperature for cold start is 32°F (0°C)
This table describes the environmental specifications.

Table 2 Environmental Specifications for the Power Supplies

Environmental Ranges

Operating temperature

AC power supply: 23 to 113°F (–5 to 45°C)

DC power supply: 23 to 131°F (–5 to 55°C)

Storage temperature

–40 to 158°F (–40 to 70°C)

Relative humidity

10 to 95% (noncondensing)

Altitude

AC power supply: up to 10,000 ft (3,000 m)

DC power supply: up to 13,000 ft (4,000 m)

This table describes the physical specifications.

Table 3  Physical Specifications for the Switch

Physical Specifications

Dimensions (H x W x D)

1.73 x 17.5 x 17.5 in. (4.4 x 44.5 x 44.5 cm)

(with the FAN FRUs installed but without the power supplies installed)

Weight
(weights do not include the functional network modules, the blank module, or the power supplies).

Catalyst 3850 24-port PoE switches

13.3 lb (6.0 kg)

Catalyst 3850 24-port non-PoE switches

13.1 lb (6.0 kg)

Catalyst 3850 48-port non-PoE switches

14.2 lb (6.5 kg)

Catalyst 3850 48-port PoE switches

14.4 lb (6.5 kg)

WS-C3850-24S and WS-C3850-12S switches

12.4 lb (5.7 kg)

WS-C3850-12XS switches

12.9 lb (5.8 kg)

WS-C3850-24XS switches

13.5 lb (6.1 kg)

WS-C3850-48XS switches

16.42 lb (7.45 kg)

This table describes the physical specifications.

Table 4  Physical Specifications for the Power Supplies

Weight

PWR-C1-1100WAC

3 lb (1.4 kg)

PWR-C1-715WAC

2.8 lb (1.3 kg)

PWR-C1-350WAC

2.4 lb (1.1 kg)

PWR-C1-440WDC=

2.6 lb (1.2 kg)

PWR-C3-750WAC-R

3.7 lb (1.68 kg)

PWR-C3-750WAC-F

3.7 lb (1.68 kg)

PWR-C3-750WDC-R

3.7 lb (1.68 kg)

PWR-C3-750WDC-F

3.7 lb (1.68 kg)

Dimensions (H x D x W)

The dimensions shown include the extraction handle and the keying feature.

PWR-C1-1100WAC

1.58 X 3.25 X 13.71 in. (40.1 X 82.55 X 348.2 mm)

PWR-C1-715WAC

1.58 X 3.25 X 12.21 in. (40.1 X 82.55 X 310.1 mm)

PWR-C1-350WAC

1.58 X 3.25 X 12.21 in. (40.1 X 82.55 X 310.1 mm)

PWR-C1-440WDC=

1.58 X 3.25 X 12.21 in. (40.1 X 82.55 X 310.1 mm)

PWR-C3-750WAC-R

1.58 X 2.15 X 14.28 in. (40.1 mm X 54.6 mm X 362.7 mm)

PWR-C3-750WAC-F

1.58 X 2.15 X 14.28 in. (40.1 mm X 54.6 mm X 362.7 mm)

PWR-C3-750WDC-R

1.58 X 2.15 X 14.28 in. (40.1 mm X 54.6 mm X 362.7 mm)

PWR-C3-750WDC-F

1.58 X 2.15 X 14.28 in. (40.1 mm X 54.6 mm X 362.7 mm)

Specifications for the Power Supplies, Switches, and Fan

Table 5 Power Specifications for the AC Power

Power Requirements

Maximum output power




  • PWR-C1-1100WAC: 1100 W
  • PWR-C1-715WAC: 715 W
  • PWR-C1-350WAC: 350 W
  • PWR-C3-750WAC-R: 750 W
  • PWR-C3-750WAC-F: 750 W

Input voltage and Frequency


  • PWR-C1-1100WAC: 1100-W, 115 to 240 VAC (autoranging) 50-60 Hz
  • PWR-C1-715WAC: 715 W, 100 to 240 VAC(autoranging) 50-60 Hz
  • PWR-C1-350WAC: 350 W, 100 to 240 VAC(autoranging) 50-60 Hz
  • PWR-C3-750WAC-F: 750 W, 90 to 264 VAC(autoranging) 50-60 Hz
  • PWR-C3-750WAC-F: 750 W, 90 to 264 VAC(autoranging) 50-60 Hz

Input current

  • PWR-C1-1100WAC: 12–6 A
  • PWR-C1-715WAC: 10–5 A
  • PWR-C1-350WAC: 4–2 A
  • PWR-C3-750WAC-R: 11 A @ 100 VAC (max), 6 A @ 200 VAC (max)
  • PWR-C3-750WAC-F: 11 A @ 100 VAC (max), 6 A @ 200 VAC (max)

Output ratings

  • PWR-C1-1100WAC: –56 V@19.64 A
  • PWR-C1-715WAC: –56 V@12.8 A
  • PWR-C1-350WAC: –56 V@6.25 A
  • PWR-C3-750WAC-R:12 VDC @ 62 A, 3.3 VDC @ 3 A
  • PWR-C3-750WAC-F:12 VDC @ 62 A, 3.3 VDC @ 3 A

Total input BTU2

  • PWR-C1-1100WAC: 4263 BTUs per hour, 1250 W
  • PWR-C1-715WAC: 2742 BTUs per hour, 804 W
  • PWR-C1-350WAC: 1357 BTUs per hour, 398 W

Total output BTU3

  • PWR-C1-1100WAC: 3751 BTUs per hour, 1100 W
  • PWR-C1-715WAC: 2438 BTUs per hour, 715 W
  • PWR-C1-350WAC: 1194 BTUs per hour, 350 W
  • PWR-C3-750WAC-R: 1122 BTU/hour (nominal), 1365 BTU/hour (max)
  • PWR-C3-750WAC-F: 1122 BTU/hour (nominal), 1365 BTU/hour (max)
2 The total input and total output BTU ratings refer to input power to the power supply and output power to the switch. The BTU ratings are based on 100 VAC for the 350-W and 715-W power supplies and 115 VAC for the 1100-W power supply.
3 The total input and total output BTU ratings refer to input power to the power supply and output power to the switch. The BTU ratings are based on 100 VAC for the 350-W and 715-W power supplies and 115 VAC for the 1100-W power supply.
Table 6 Power Specifications for DC-Power

Power Requirements

Maximum output power




  • PWR-C1-440WDC: 440 W

  • PWR-C3-750WDC-R: 750 W

  • PWR-C3-750WDC-F: 750 W

Input current

  • PWR-C1-440WDC: 16 –8 A

  • PWR-C3-750WDC-R: 25 A

  • PWR-C3-750WDC-F: 25 A

DC input voltage

  • PWR-C1-440WDC: –36 to –72 VDC

  • PWR-C3-750WDC-R: –36 to –72 VDC

  • PWR-C3-750WDC-F: –36 to –72 VDC

Output ratings

  • PWR-C1-440WDC: –56 V@7.86 A

  • PWR-C3-750WDC-R:62 A @ 12 VDC, 3 A @ 3.3 VDC

  • PWR-C3-750WDC-F: 62 A @ 12 VDC, 3 A @ 3.3 VDC

Voltage range domestic

  • PWR-C1-440WDC: –36 VDC (minimum), –48 VDC (nominal), –72 VDC (maximum)

  • PWR-C3-750WDC-R: -48 VDC (nominal) (-40.5 VDC to -56 VDC)

  • PWR-C3-750WDC-F: -48 VDC (nominal) (-40.5 VDC to -56 VDC)

Voltage range international

  • PWR-C1-440WDC: –36 VDC (minimum), –48 VDC (nominal), –72 VDC (maximum)

  • PWR-C3-750WDC-R: -60 VDC (nominal) (-55 VDC to -72 VDC)

  • PWR-C3-750WDC-F: -60 VDC (nominal) (-55 VDC to -72 VDC)

Total input BTU4

PWR-C1-440WDC 1841 BTUs per hour, 540 W

Total output BTU
1

PWR-C1-440WDC: 1502 BTUs per hour, 440 W

Wire gauge for ground connection

PWR-C1-440WDC: 12 AWG or 8 AWG

Branch circuit protection

PWR-C1-440WDC: 20 A

4 The total input and total output BTU ratings refer to input power to the power supply and output power to the switch. The BTU ratings are based on –36 VDC.
Table 7 Fan Module Environmental and Physical Specifications for Catalyst WS-C3850 Switch Models

Environmental Ranges

Operating temperature

23 to 176°F (–5 to 80°C)

Storage temperature

–40 to 185°F (–40 to 85°C) up to 15,000 ft (4500 m)

Relative humidity

5 to 95% (noncondensing)

Altitude

Up to 13,000 ft (4000 m)

Physical Specification


Dimensions (H x D x W)

1.62 x 1.73 x 4.24 in. (4.11 x 4.39 x 10.76 cm)

Weight (for three fans)

0.48 lb (0.21 kg)

Operating Specification

Airflow

20 cfm

Table 8 Fan Module Environmental and Physical Specifications for Catalyst WS-C3850-48XS Switch Models

Environmental Ranges

Operating temperature

50 to 104°F (10 to 40°C)

Relative humidity

8 to 80% (noncondensing)

Altitude

–50 to 6500 feet (–16 to 1981 meters)

Physical Specification


Dimensions (H x D x W)

2.25 x 7.00 x 8.50 in (5.72 x 17.78 x 21.59 cm)

Weight

0.7 lb (0.32 kg)