
WS-C4948 WS-C4948-10GE
Forwarding Bandwidth per Box (Gbps) 96 136
Maximum Stack Members 0 0
Total Bandwidth of Stack (Gbps) 0 0
Packets per Second per Box (Mpps) 72 102
MAC Addresses Supported 32,768 55,000
Routes Supported 32,000 32,000
Onboard Memory (DRAM MB) 256 256
10 GbE Density 0 2
Gigabit Ethernet GBIC/SFP Density 4 0
10 GbE X2 Port Density 0 2
10/100/1000 Density 48 48
10/100 Density 0 0
100BASE-FX Density 0 0
Max Watt Power Consumption 300 300
PoE: Max 8023af Class 3 Devices (154W) 0 0
PoE: Max 8023af Class 2 Devices (73W) 0 0
AC/DC Support Ye s Ye s
Dimensions (H x W x D) Inches 171 x 173 x 161 171 x 173 x 161
Dimensions (H x W x D) Centimeters 44 x 439 x 409 44 x 439 x 409
Unit Weight Pounds (Kilograms) 165 (748) 165 (748)
Cisco Catalyst 4900 Series
Product OverviewHardware Features
Wire-speed Performance
The Cisco Catalyst 4900 Series delivers
wire-speed throughput on all ports from
96 Gbps to 136 Gbps with low-latency
for data-intensive applications Switching
performance is guaranteed regardless of
the number of route entries or Layer 3 and
4 services enabled The hardware-based
Cisco Express Forwarding (CEF) routing
architecture allows for increased scalability
and performance
Exceptional Reliability
The Cisco Catalyst 4900 Series offers
redundant hot-swappable internal AC or DC
power supplies for nonstop operation The
1 + 1 power supply design provides A-to-B
failover when power supplies are connected
to different circuits AC and DC power
supplies can be mixed in the same unit for
maximum deployment flexibility The Cisco
Catalyst 4900 Series also features a hot-
swappable fan tray with four redundant fans
for additional serviceability and availability
Series Spotlight
CATALYST 4948 SWITCHES
Product Number Description
WS-C4948-S
4948, IPB S/W, 48-port 10/100/1000+4 SFP, 1 AC P/S
WS-C4948-E
4948, ES S/W 48-port 10/100/1000+4 SFP, 1 AC P/S
WS-C4948
4948, Optnl S/W, 48-port 10/100/1000+4 SFP, no P/S
WS-C4948-10GE
4948, Optnl S/W, 48-port10/100/1000+2*10GbE (X2), no P/S
WS-C4948-10GE-S
4948, IPB S/W, 48-port 10/100/1000+2*10GbE (X2), 1 AC P/S
WS-C4948-10GE-E
4948, ES Image, 48-port 10/100/1000+2*10GbE (X2), 1 AC P/S
CATALYST 4948 TRANSCEIVER MODULES
Product Number Description
GLC-T
1000BASE-T SFP
GLC-SX-MM
GbE SFP, LC Connector SX Transceiver
GLC-LH-SM
GbE SFP, LC Connector LX/LH Transceiver
GLC-BX-D
1000BASE-BX SFP, 1490NM
GLC-BX-U
1000BASE-BX SFP, 1310NM
GLC-ZX-SM
1000BASE-ZX SFP
CWDM-SFP-1470=
CWDM 1470 NM SFP Gigabit Ethernet and 1G/2G FC
CWDM-SFP-1490=
CWDM 1490 NM SFP Gigabit Ethernet and 1G/2G FC
CWDM-SFP-1510=
CWDM 1510 NM SFP Gigabit Ethernet and 1G/2G FC
CWDM-SFP-1530=
CWDM 1530 NM SFP Gigabit Ethernet and 1G/2G FC
CWDM-SFP-1550=
CWDM 1550 NM SFP Gigabit Ethernet and 1G/2G FC
CWDM-SFP-1570=
CWDM 1570 NM SFP Gigabit Ethernet and 1G/2G FC
CWDM-SFP-1590=
CWDM 1590 NM SFP Gigabit Ethernet and 1G/2G FC
CWDM-SFP-1610=
CWDM 1610 NM SFP Gigabit Ethernet and 1G/2G FC
X2-10GB-CX4
10GBASE-CX4 X2 Module
X2-10GB-ER
10GBASE-ER X2 Module
X2-10GB-ER=
10GBASE-ER X2 Module
X2-10GB-SR
10GBASE-SR X2 Module
X2-10GB-LX4
10GBASE-LX4 X2 Module
X2-10GB-LR
10GBASE-LR X2 Module
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