Catalyst 3550 Series

3550 Series

Feature	WS-C3550-24 / WS-C3550-24PWR-SMI	WS-C3550-24-FX / WS-C3550-24-FX-SMI	WS-C3550-48'/ WS-C3550-48-SMI	WS-C3550-24PWR / WS-C3550-24PWR-SMI	WS-C3550-12T	WS-C3550-12G
Form Factor	1 RU	2 RU	3 RU	4 RU	1.5 RU	1.5 RU
Switch Fabric	8.8 Gbps	8.8 Gbps	13.6 Gbps	8.8 Gbps	24 Gbps	25 Gbps
Forwarding Rate	6.6 Mpps	6.6 Mpps	10.1 Mpps	6.6 Mpps	17 Mpps	18 Mpps
10/100 Ports	24	0	48	24	0	0
10/100 PoE Ports	0	0	0	24	0	0
100FX MT-RJ Ports	0	24	0	0	0	0
GBIC Ports	2	2	2	2	2	10
10/100/1000 Ports	0	0	0	0	10	2
Support of WS-G5482	Yes	Yes	Yes	Yes	Yes	Yes
Support of WS-G5483	Yes	Yes	Yes	Yes	Yes	Yes
VLAN Trunking	All ports	All ports	All ports	All ports	All ports	All ports
EtherChannel	All ports	All ports	All ports	All ports	All ports	All ports
VLANs	4000 ID's maximum (up to 1024 configured at one time) 128 maximum STP instances	4001 ID's maximum (up to 1024 configured at one time) 128 maximum STP instances	4002 ID's maximum (up to 1024 configured at one time) 128 maximum STP instances	4003 ID's maximum (up to 1024 configured at one time) 128 maximum STP instances	4004 ID's maximum (up to 1024 configured at one time) 128 maximum STP instances	4005 ID's maximum (up to 1024 configured at one time) 128 maximum STP instances
Voice-VLAN Capable	Yes	Yes	Yes	Yes	Yes	Yes
Multi-VLAN Capable	No	No	No	No	No	No
Max. MAC Addresses	8000	8000	8000	8000	12000	12000
Max. MTU	1546 Bytes	1547 Bytes	1548 Bytes	1549 Bytes	1999 Bytes	2000 Bytes
Multicast	IGMP Snooping/PIM(L3) (2000 group max)	IGMP Snooping/PIM(L3) (2000 group max)	IGMP Snooping/PIM(L3) (2000 group max)	IGMP Snooping/PIM(L3) (2000 group max)	IGMP Snooping/PIM(L3) (8000 group max)	IGMP Snooping/PIM(L3) (8000 group max)
Policing	Ingress and Egress 8 per 10/100 port, 128 per 1000 port	Ingress and Egress 8 per 10/100 port, 128 per 1000 port	Ingress and Egress 8 per 10/100 port, 128 per 1000 port	Ingress and Egress 8 per 10/100 port, 128 per 1000 port	Ingress and Egress 8 per 10/100 port, 128 per 1000 port	Ingress and Egress 8 per 10/100 port, 128 per 1000 port
Egress Queues/Port	4	4	4	4	4	4
QoS Granularity	8Kbps-100Mbps (10/100 ports)	8Kbps-100Mbps (10/100 ports)	8Kbps-100Mbps (10/100 ports)	8Kbps-100Mbps (10/100 ports)	8Kbps-100Mbps (10/100 ports)	8Kbps-100Mbps (10/100 ports)
DSCP/CoS Remarking	Yes	Yes	Yes	Yes	Yes	Yes
Layer 3	SMI License includes static routes/RIP EMI license needed for full routing	SMI License includes static routes/RIP EMI license needed for full routing	SMI License includes static routes/RIP EMI license needed for full routing	SMI License includes static routes/RIP EMI license needed for full routing	Full L3 license included	Full L3 license included
Heat (W), Max.	65	85	110	525	190	190
Heat (BTU), Max.	222	290	375	1790	650	650
Dimensions (H/W/D)	1.75x17.5x14.4 in. (4.5x44.5x36.6cm)	1.75 x 17.5 x 16.25 in. (4.5 x 44.5 x 41.3 cm)	1.75 x 17.5 x 16.25 in. (4.5 x 44.5 x 41.3 cm)	See note below	2.63 x 17.5 x 15.9 in. (6.7 x 44.5 x 40.4 cm)	2.63 x 17.5 x 15.9 in. (6.7 x 44.5 x 40.4 cm)
Acoustic Noise	48 dBa	46 dBa	46 dBa	47 dBa	58 dBa	58 dBa
MTBF (Hours)	193000	186000	163000	166356	113658	110332
Operating Temperature	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)	36 to 113°F (0 to 45°C)	37 to 113°F (0 to 45°C)
Storage Temperature	-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)	-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)	14 to 85% (noncondensing)	15 to 85% (noncondensing)
Weight	11 lb (5 kg)	10.5 lb (4.8 kg)	13 lb (5.9 kg)	14lb (6.4kg)	16 lb (7.26 kg)	16 lb (7.26 kg)
'RPS Used'	RPS-300 or 675	RPS-300 or 676	RPS-300 or 677	RPS-675	RPS-300 or 674	RPS-300 or 675

Notes: 3550-PWR is an extra 3 in. (7.8cm) deeper than the 3550-24. Also, heat is measured with 24 IP phones.