SG500-28P, Cisco SG500 Series Switch, 28xGigabit POE/Stackable/Managed

Performance

Switching capacity and forwarding rate

All switches are wire-speed and non-blocking.

Product Name

Capacity in mpps (64-byte packets)

Switching Capacity (Gbps)

SF500-28P

41.67

72

General

Jumbo frames

Frame sizes up to 9K (9216) bytes. Supported on 10/100 and Gigabit Ethernet interfaces. The default MTU is 2K.

MAC table

16K (16384) MAC addresses.

Product Specifications

Power over Ethernet (PoE)

IEEE 802.3af and 802.3at PoE delivered over any of the RJ-45 ports within the listed power budgets

Switches support 802.2af, 802.3at, and Cisco pre-standard (legacy) PoE. Maximum power of 30W to any 10/100 or Gigabit base port until the PoE budget for the switch is reached. The total power available for PoE per switch is:

Model Name

Power Dedicated to PoE

Number of Ports That Support PoE

SF500-28P

180W

24

Power consumption
(worst case)

Model Name

Green Power (mode)

System Power Consumption

Power Consumption (with PoE)

Heat Dissipation (BTU/hr)

SF500-28P

EEE + Short Reach + Energy Detect

110V=35W

220V=35.9W

110V=227W

220V=221.5W

755.79

Ports

Model Name

Total System Ports

RJ-45 Ports

Combo Ports (RJ-45 + SFP)

SF500-28P

24FE + 4 GE (5G Stacking)

24 FE

2 combo GE + 2 1G/5G SFP

Buttons

Reset button

Cabling type

Unshielded twisted pair (UTP) Category 5 or better; Fiber options (SMF and MMF); Coaxial SFP+

for stacking purposes

LEDs

LED power savings, System, Link/Act, PoE, Speed

Flash

32 MB

800 MHz ARM CPU memory

256 MB

Packet buffer

All numbers are aggregate across all ports, as the buffers are dynamically shared:

Model Name

Packet Buffer

SF500-28P

8Mb

Environmental

Unit Dimensions
(W x H x D)

Model Name

Unit Dimensions

SF500-28P

440 x 44 x 257 mm

Unit weight

Model Name

Unit Weight

SF500-28P

3.95 kg

Power

100-240V 47-63 Hz, internal, universal

Certification

UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A

Operating temperature

SF500-24, SF500-24P, SF500-48, SF500-48P, SG500-28, SG500-28P, SG500-52, SG500-52P, SG500X-24, SG500X-24P, SG500X-48, SG500X-48P

32°to 104°F (0°to 40°C)

SG500-28MPP, SG500-52MP, SG500XG-8F8T, SF500-24MP, SF500-48MP, SG500X-24MPP, SG500X-48MP

32°to 122°F (0°to 50°C)

Storage temperature

-4°to 158°F (-20°to 70°C)

Operating humidity

10% to 90%, relative, noncondensing

Storage humidity

10% to 90%, relative, noncondensing

Acoustic noise and mean time between failures (MTBF)

Model Name

Fan (Number)

Acoustic Noise

MTBF @ 40°C (Hours)

SF500-28P

2 pcs/6300rpm
No fan speed control

41.2 dB

253,175.1

Warranty

Limited lifetime with next-business-day advance replacement (where available, otherwise same day ship)