| Bay Required |
| Type | None |
| Environmental Parameters |
| Min Operating Temperature | 32 °F |
| Max Operating Temperature | 104 °F |
| Humidity Range Operating | 10 – 90% |
| Min Storage Temperature | -40 °F |
| Max Storage Temperature | 167 °F |
| Header |
| Compatibility | PC |
| Manufacturer | Cisco Systems |
| Packaged Quantity | 1 |
| Product Line | Cisco Catalyst |
| Model | 4948E |
| Brand | Cisco |
| Interface Provided |
| Qty | 48 |
| Connector Type | RJ-45 |
| Type | 1000Base-T |
| Miscellaneous |
| Compliant Standards | AS/NZ 3548 Class B, CISPR 22 Class A, CSA C22.2 No. 60950-1, EMC, EN 60825-1, EN 60950-1, EN 61000-3-2, EN 61000-3-3, EN300-386, EN50082-1, EN55022 Class A, EN55024, ETSI, FCC CFR21 Part 1040, FCC Part 15 A, ICES-003 Class A, IEC 60825-1, IEC 60950-1, NEBS level 3, RoHS, UL 60950-1, VCCI Class A ITE |
| Authentication Method | RADIUS, Secure Shell (SSH), Secure Shell v.2 (SSH2), TACACS+ |
| Height (Rack Units) | 1 |
| Networking |
| Type | Switch |
| Connectivity Technology | Wired |
| Remote Management Protocol | CLI, HTTPS, RMON 1, RMON 2, RMON 3, RMON 9, SNMP 1, SNMP 2, SNMP 3, SSH, SSH-2, Telnet, TFTP |
| Compliant Standards | IEEE 802.1ag, IEEE 802.1D, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad (LACP), IEEE 802.3ah, IEEE 802.3u, IEEE 802.3z |
| Status Indicators | Link OK, Link/activity, Port status, Power, System |
| Cabling Type | Ethernet 1000Base-T, Ethernet 100Base-TX, Ethernet 10Base-T |
| Ports Qty | 48 |
| Features | Access Control List (ACL) support, Auto-negotiation, Broadcast Storm Control, DHCP snooping, DHCP support, Dynamic ARP Inspection (DAI), Dynamic Trunking Protocol (DTP) support, EIGRP Stub Routing, Hot swap module replacement, IGMP snooping, IPv6 support, Jumbo Frames support, Layer 2 switching, Layer 3 switching, MAC address filtering, MLD snooping, Multicast Storm Control, Non-Stop Forwarding (NSF), Per-VLAN Spanning Tree (PVST), Per-VLAN Spanning Tree Plus (PVST+), Port Aggregation Protocol (PAgP) support, Quality of Service (QoS), Spanning Tree Protocol (STP) support, Time Domain Reflectometry (TDR), Traffic shaping, Tunneling, Virtual Route Forwarding-Lite (VRF-Lite), VLAN support |
| Switching Protocol | Ethernet |
| Routing Protocol | BGP-4, DVMRP, EIGRP, HSRP, IGMP, IGMPv2, IGMPv3, IS-IS, MLD, MLDv2, OSPF, OSPFv2, OSPFv3, PIM-SM, PIM-SSM, Policy-based routing (PBR), RIP-1, RIP-2, RIPng, Static IPv4 routing, Static IPv6 routing, VRRP |
| MAC Address Table Size | 55K entries |
| Empty Slots | 4 x SFP+ |
| Subcategory | Network hubs and switches |
| Advanced Switching | Layer 3 |
| Manageable | Yes |
| Form Factor | Rack-mountable |
| Subtype | Gigabit Ethernet |
| Power Device |
| Frequency Required | 50/60 Hz |
| Installed Qty | 1 |
| Max Supported Qty | 2 |
| Nominal Voltage | AC 120/230 V |
| Power Redundancy | Optional |
| Power Redundancy Scheme | 1+1 (with optional power supply) |
| Type | Internal power supply |
| Hot-Plug | Hot-plug |
| Processor |
| Installed Qty | 1 |
| Clock Speed | 1 GHz |
| Service |
| Support Details Type | Limited warranty |
| Support Details Full Contract Period | 1 year |
| Slot Required |
| Type | None |
| Software |
| Type | Cisco IOS Enterprise Services |
| Dimensions & Weight |
| Width | 17.5 in |
| Depth | 19.4 in |
| Height | 1.7 in |
| Weight | 18.96 lbs |
| Service & Support |
| Type | 1 year warranty |
| Performance |
| Type | Switching capacity |
| Value | 176 Gbps |
| Ports |
| Qty | 48 |
| Type | 10/100/1000 |
| Ports (2nd) |
| Qty | 4 |
| Type | SFP+ |
| RAM |
| Installed Size | 1 GB |
| Technology | SDRAM |
