Appendix D

Class of Service

Port-based

 

802.1p VLAN priority-based

 

IPv4 IP precedence/ToS/DSCP

Layer 2

VLAN

Port-based and 802.1q-based VLANs

 

Management VLAN

HOL Blocking

Head of line blocking prevention

Jumbo frame

Supports frame size up to 9K

 

bytes

Standards

 

802.3 10BASE-T Ethernet,

 

802.3u 100BASE-TX Fast Ethernet,

 

802.3ab 1000BASE-T Gigabit Ethernet,

 

802.3z Gigabit Ethernet,

 

802.3x Flow Control

Power over Ethernet (PoE)

PoE Ports

SLM224G4PS:

 

Ports 1-6 and 13-18

 

Each 10/100 PoE port supplies up

 

to a maximum of 100 Watts total

 

power in compliance with IEEE

 

802.3af

 

SLM248G4PS:

 

Ports 1-12 and 25-36

 

Each 10/100 PoE port supplies up

 

to a maximum of 180 Watts total

 

power in compliance with IEEE

 

802.3af

Environmental

 

Dimensions

SLM224G4PS:

 

16.93" x 1.75" x 8.00”

 

(430 x 44.45 x 203.3 mm)

 

SLM248G4PS:

 

17.32" x 1.75" x 13.81”

 

(440 x 44.45 x 350.8 mm)

Unit Weight

SLM224G4PS: 5.29 lb (2.4 kg)

 

SLM248G4PS: 9.59 lb (4.35 kg)

Power

100-240V 0.5A

Certification

FCC Part15 Class A, CE Class A,

 

UL CSA (CSA22.2), CE mark, CB

Operating Temp.

32 to 104ºF (0 to 40ºC)

Storage Temp.

-4 to 158ºF (-20 to 70ºC)

Operating Humidity

20 to 95% Noncondensing

Storage Humidity

5 to 90% Noncondensing

Specifications

24/48-Port 10/100 + 4-Port Gigabit Smart Switch with Resilient Clustering Technology and PoE

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Cisco Systems SLM224G4PS Class of Service Port-based 802.1p Vlan priority-based, Management Vlan, 802.3 10BASE-T Ethernet