Cisco Catalyst 4948E User Manual

3-18
Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide
OL-21561-02
Chapter 3 Installing the Switch
Attaching the Interface Cables
Figure 3-10 Inserting an SFP Transceiver into a Socket
Step 7 Press the SFP transceiver into the slot firmly with your thumb as shown in Figure 3-11.
Figure 3-11 Latching the SFP Transceiver
Step 8
To verify that the SFP transceiver is seated and latched properly:
a. Grasp the SFP transceiver as shown in Figure 3-12 and try to remove it without releasing the latch.
b. If the SFP transceiver cannot be removed, it is installed and seated properly. If the SFP transceiver
can be removed, reinsert it and press harder with your thumb, repeating if necessary until it is latched
securely into the socket.
94126
192406

Cisco Catalyst 4948E Specifications

General

Model	Catalyst 4948E
Switching Capacity	176 Gbps
Rack Units	1U
Authentication Method	RADIUS, TACACS+
Flash Memory	256 MB
Power Device	Internal power supply
Ports	48 x 10/100/1000
Uplink Ports	4 x 10 Gigabit Ethernet
Power Supply	Dual, hot-swappable
Layer Support	Layer 3
MAC Address Table Size	32000 entries
Jumbo Frame Support	9216 bytes
Routing Protocol	OSPF, EIGRP, BGP, RIP
Remote Management Protocol	SNMP, CLI, HTTP, HTTPS, SSH, Telnet
Features	VLAN support, QoS, IPv6 support, Access Control Lists (ACLs)
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3z
Voltage Required	100-240 VAC
Operating Temperature	0 to 40 °C
Relative Humidity	10 - 95% (non-condensing)
Height	1.72 in