Product Description
Main Specifications:
| Product Description | Cisco Catalyst 4948E - switch - 48 ports - managed - rack-mountable |
| Device Type | Switch - 48 ports - managed |
| Enclosure Type | Rack-mountable 1U |
| Subtype | Gigabit Ethernet |
| Ports | 48 x 10/100/1000 + 4 x SFP+ |
| Performance | Switching capacity : 176 Gbps ¦ IPv4 switching : 131 Mpps ¦ IPv6 switching : 110 Mpps |
| Capacity | QoS hardware entries : 32000 ¦ Switched virtual interfaces (SVIs) : 4000 ¦ Active VLANs : 4096 ¦ Spanning Tree Protocol instances : 3000 |
| MAC Address Table Size | 55K entries |
| Jumbo Frame Support | 9216 bytes |
| Routing Protocol | RIP-1, RIP-2, static IP routing |
| Remote Management Protocol | SNMP 1, SNMP 2, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, HTTPS, TFTP, SSH, SSH-2, CLI |
| Features | Hot swap module replacement, layer 2 switching, DHCP support, auto-negotiation, VLAN support, IGMP snooping, MAC address filtering, Broadcast Storm Control, IPv6 support, Multicast Storm Control, Spanning Tree Protocol (STP) support, Per-VLAN Spanning Tree (PVST), tunneling, DHCP snooping, Dynamic Trunking Protocol (DTP) support, Port Aggregation Protocol (PAgP) support, Access Control List (ACL) support, Quality of Service (QoS), Jumbo Frames support, MLD snooping, Dynamic ARP Inspection (DAI), Time Domain Reflectometry (TDR), Per-VLAN Spanning Tree Plus (PVST+) |
| Compliant Standards | IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.3ah, IEEE 802.1ag |
| Power Redundancy | Optional |
| Dimensions (WxDxH) | 17.5 in x 19.4 in x 1.7 in |
| Weight | 14.1 lbs |
General | |
| Device Type | Switch - 48 ports - managed |
| Enclosure Type | Rack-mountable - 1U |
| Subtype | Gigabit Ethernet |
| Ports | 48 x 10/100/1000 + 4 x SFP+ |
| Performance | Switching capacity : 176 Gbps ¦ IPv4 switching : 131 Mpps ¦ IPv6 switching : 110 Mpps |
| Capacity | QoS hardware entries : 32000 ¦ Switched virtual interfaces (SVIs) : 4000 ¦ Active VLANs : 4096 ¦ Spanning Tree Protocol instances : 3000 |
| MAC Address Table Size | 55K entries |
| Jumbo Frame Support | 9216 bytes |
| Routing Protocol | RIP-1, RIP-2, static IP routing |
| Remote Management Protocol | SNMP 1, SNMP 2, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, HTTPS, TFTP, SSH, SSH-2, CLI |
| Authentication Method | Secure Shell (SSH), RADIUS, TACACS+, Secure Shell v.2 (SSH2) |
| Features | Hot swap module replacement, layer 2 switching, DHCP support, auto-negotiation, VLAN support, IGMP snooping, MAC address filtering, Broadcast Storm Control, IPv6 support, Multicast Storm Control, Spanning Tree Protocol (STP) support, Per-VLAN Spanning Tree (PVST), tunneling, DHCP snooping, Dynamic Trunking Protocol (DTP) support, Port Aggregation Protocol (PAgP) support, Access Control List (ACL) support, Quality of Service (QoS), Jumbo Frames support, MLD snooping, Dynamic ARP Inspection (DAI), Time Domain Reflectometry (TDR), Per-VLAN Spanning Tree Plus (PVST+) |
| Compliant Standards | IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.3ah, IEEE 802.1ag |
| Processor | 1 : 1 GHz |
| RAM | 1 GB - SDRAM |
| Status Indicators | Port status, link activity, power, link OK, system |
Expansion / Connectivity | |
| Interfaces | 48 x 1000Base-T - RJ-45 ¦ 4 x |
Power | |
| Power Device | Internal power supply - hot-plug |
| Installed Qty | 0 (installed) / 2 (max) |
| Power Redundancy | Optional |
Miscellaneous | |
| Compliant Standards | NEBS level 3, ETSI, CISPR 22 Class A, EN 61000-3-2, VCCI Class A ITE, EN 61000-3-3, EN55024, EN55022 Class A, EN50082-1, AS/NZ 3548 Class B, EMC, ICES-003 Class A, RoHS, EN300-386, FCC CFR21 Part 1040, UL 60950-1, IEC 60950-1, EN 60950-1, FCC Part 15 A, IEC 60825-1, CSA C22.2 No. 60950-1, EN 60825-1 |
Dimensions & Weight | |
| Width | 17.5 in |
| Depth | 19.4 in |
| Height | 1.7 in |
| Weight | 14.1 lbs |
Environmental Parameters | |
| Min Operating Temperature | 32 °F |
| Max Operating Temperature | 104 °F |
| Humidity Range Operating | 10 - 90% (non-condensing) |
| Min Storage Temperature | -40 °F |
| Max Storage Temperature | 167 °F |
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