Catalyst Express 500 Series

Feature	500-24TT	500-24LC	500-24PC	500G-12TC
EOS	No	No	No	No
Form Factor	1 RU	1 RU	1 RU	1 RU
Switch Fabric	8.8Gbps	8.8Gbps	8.8Gbps	24Gbps
Forwarding Rate	6.6Mpps	6.6Mpps	6.6Mpps	18Mpps
10/100 Ports	24	24 (4 PoE)	24 (All PoE)	0
10/100/1000 Ports (see note)	2	2	2	12
SFP GE Ports (see note)	0	2	2	4
VLAN Trunking	802.1q only	802.1q only	802.1q only	802.1q only
EtherChannel	All ports	All ports	All ports	All ports
Voice-VLAN's	Yes	Yes	Yes	Yes
Multi-VLAN Capable	No	No	No	No
Max. MAC Addresses	8000	8000	8000	8000
Max. MTU	1,500 Bytes	1,500 Bytes	1,500 Bytes	1,500 Bytes
Multicast	IGMP Snooping in hardware	IGMP Snooping in hardware	IGMP Snooping in hardware	IGMP Snooping in hardware
Ingress Policing	None	None	None	None
Queues per port	4	4	4	4
QoS Granularity	N/A	N/A	N/A	N/A
DSCP/CoS Remark.	Yes	Yes	Yes	Yes
Heat (W), Max.	30	45	90	45
Heat (BTU), Max.	102	154	307	154
Dimensions (H/W/D)	1.73 x 17.5 x 9.9 in. (4.39 x 44.45 x 25.15 cm)	1.73 x 17.5 x 9.9 in. (4.39 x 44.45 x 25.15 cm)	1.73 x 17.5 x 14.4 in. (4.39 x 44.45 x 36.58 cm)	1.73 x 17.5 x 9.9 in. (4.39 x 44.45 x 25.15 cm)
Operating Temp.	32 to 113°F (0 to 45°C)	33 to 113°F (0 to 45°C)	34 to 113°F (0 to 45°C)	35 to 113°F (0 to 45°C)
Storage Temp.	-13 to 158°F (-25 to 70°C)	-13 to 158°F (-25 to 70°C)	-13 to 158°F (-25 to 70°C)	-13 to 158°F (-25 to 70°C)
Relative Humidity	10 to 85% (noncondensing)	11 to 85% (noncondensing)	12 to 85% (noncondensing)	13 to 85% (noncondensing)
Weight	8 lb (3.7kg)	8 lb (3.7kg)	12 lb (5.5kg)	8 lb (3.7kg)
RPS Used	No	No	RPS-675	No
MTBF (Hours)	308,482	282,705	211,167	289,193

Notes:
The 500-24LC and 500-24PC models can have either two 10/100/1000 or two SFP ports. The 500G-12TC model can have either four 10/100/1000 or four SFP ports. The 500G-12TC model has a minimum of eight 10/100/1000 ports