Cisco WS-C3750G-48PS-S Switch Manual page 76

These switches are available with either the LAN Base Software image or IP Base
Software image or the Enterprise Services Software image. The Enterprise
Services Software additionally supports Shortest Path First (OSPF), Intermediate
System-to-Intermediate System (IS-IS), Enhanced Interior Gateway Routing Protocol
(EIGRP), and Border Gateway Protocol (BGP).
Fixed Switches: Cisco Catalyst 4900 Series
Hardware Features
WS-C4948-
WS-C4948
10GE
Environmental
Height 1RU 1RU
1.71(4.3) x 1.71 (4.3) x
Dimension (H x W x D)
17.3(43.9) x 17.3 (43.9) x
Inches (cm)
16. 1 (40.9) 16. 1 (40.9)
Power Redundancy 1+1 AC or DC 1+1 AC or DC
Unit Weight Pounds
16.5 (7.48) 16.5 (7.48)
(Kilograms)
Hot Swappable Fan Yes Yes
Avg/Max Power
176/300 Watts 212/300 Watts
Consumption
Airflow Side to Back Side to back
Front and Rear
Mount
Front and Rear
Rack Mounting Options
Mount
High Perf Rear
Mount
Two X2
(10 Gigabit
Uplink Optic Types 4 SFP Optics
Ethernet)
optics
Cisco TwinGig
Converter Module No No
Support
Cisco OneX Converter
Module Support No No
(X2 to SFP+)*
LR, CX4, LX4,
LH, SX, ZX,
Optics SR, ER, LRM,
CWDM
ZR, DWDM
CWDM,
Modular Half-Card
SFP+: SR DWDM, SR,
Slots
LR, LRM, CX4
Ports
Maximum 10/100/1000
48 48
Ports
146
WS-C4928- WS-C4948-E/
WS-4900M
10GE WS-C4948E-F
1RU 2RU 1RU
1.71 (4.3) x 3.5 (8.9) x 1.75 (4.4) x
17.3 (43.9) x 17.2 (43.7) x 17.5 (44.4) x
16. 1 (40.9) 17.9 (45.5) 19.4 (49.3)
1+1 AC or DC 1+1 AC or DC 1+1 AC or DC
16.5 (7.48) 34.0 lbs (15.4) 19 lbs (8.62)
Yes Yes Yes
300 Watts 300/446 Watts 230/275 Watts
Front to Back
Side to back Side to Back
(4948E)
Four Post Rack
Front and Rear
Side rail Mount
Mount
Front and Rear
High
Mount
High Perf Rear
Performance
Mount
Mount
Two X2 Eight X2
(10 Gigabit (10 Gigabit
SFP/SFP+
Ethernet) Ethernet)
Optics Optics
Yes
Yes (WS-X4908-10 No
GE only)
Yes Yes No
X2: LR, CX4,
LR, CX4, LX4, LX4, SR, ER,
32
LRM, ZR,
SR, ER, LRM
DWDM
0 0 0
0 40 48
Hardware Features (continued)
WS-C4948-
WS-C4948
10GE
Ports (continued)
Maximum Gigabit
Ethernet (Fiber) Ports
4 0
Maximum 10 Gigabit
Ethernet (10GBase-T) 0 0
Ports
Maximum 10 Gigabit
0 2 (X2)
Ethernet (fiber) Ports
Performance/Scalability
Switching Capacity 96 Gbps 136 Gbps
Throughput 72 Mpps 102 Mpps
Routes Supported 32K 32K
MAC Addresses 32K 55K
Per VLAN Spanning
Tree (PVST) Protocol 4094 4094
and VLAN IDs
Switched Virtual
2000 2000
Interfaces (SVIs)
Active VLANs 4094 4094
Multicast Routes 28K 28K
Security and Quality-
of-Service (QoS) 32K 32K
Hardware Entries
Switched Port Analyzer 2 Ingress and 2 Ingress and
(SPAN) 4 Egress 4 Egress
Shared Buffer 16 MB 16 MB
666 MHz
CPU 266 MHz
Synchronous Dynamic
256 MB 256 MB
RAM (SDRAM)
Software Software
IPv6 Support
Switched Switched
USB Port No No
Compact Flash
No No
Memory Support
System Reset Button No No
PoE: Max. 802.3af Class
0 0
3 Devices (15.4W)
PoE: Max. 802.3af Class
0 0
2 Devices (7.3W)
WS-C4948-
WS-C4928-
WS-4900M E/WS-
10GE
C4948E-F
32 (Cisco
TwinGig
28 4
Converter
Module)
0 16 0
2 (X2) 1 24 (X2) 1 4 (SFP+)
96 Gbps 320 Gbps 176 Gbps
250 Mpps 131 Mpps
72 Mpps for IPv4 125 for IPv4 110
Mpps for IPv6 Mpps for IPv6
32K 256K 57K
55K 55K 55K
4094 4094 4094
2000 4094 4094
2048 4094 4094
28K 28K 28K
32K 128K 32K
2 Ingress and 8 Ingress and 8 Ingress and
4 Egress 8 Egress 8 Egress
16 MB 17.5 MB 17.5 MB
1.3 GHz 1 GHz
666 MHz
256 MB 512 MB 1 GB
Software Hardware Hardware
Switched Switched Switched
No Yes No
No Yes No
Yes Yes Yes
0 0 0
0 0 0
*
X2 can be converted to SFP+ using OneX Converter Module.
147