Технические характеристики:
Коммутатор Layer3, 48 портов 10/100/1000BaseT, 4 порта SFP+ 10G, блок питания AC, поток воздуха - Back-to-Front.
Основные особенности:
Присутствует возможность горячей замены блоков питания, а также вентиляторов
Технические характеристики:
| Switching capacity | 176Gbps |
| Throughput | 131 mpps for IPv4 |
| 110 mpps for IPv6 | |
| Routes supported | 57 |
| MAC addresses | 55 |
| Maximum Gigabit Ethernet (fiber) ports | 4 |
| Maximum 10/100/1000-Gbps ports | 48 |
| Maximum 10 Gigabit Ethernet (fiber) ports | 4 (SFP+) |
| Per-VLAN Spanning Tree (PVST) Protocol and VLAN Ids | 4094 |
| Spanning Tree Protocol instances | 4094 |
| Switched virtual interfaces (SVIs) | 4094 |
| Active VLANs | 4094 |
| Multicast routes | 28 |
| Security and quality-of-service (QoS) hardware entries | 32 |
| Switched Port Analyzer (SPAN) | 8 ingress and 8 egress |
| Shared buffer | 17.5 MB |
| CPU | 1 GHz |
| Synchronous dynamic RAM (SDRAM) | 1 GB |
| Multilayer switching | LAN Base, IP Base, and Enterprise Services options |
| IPv6 support | Hardware switched |
| System reset button | Yes |
| Minimum software requirements | Cisco IOS Software Release 12.2(54)WO or later (Cisco Catalyst 4948E-F) |
| Height | 1RU |
| Dimensions (H x W x D) | 1.75 x 17.5 x 19.4 in. (4.4 x 44.4 x 49.3 cm) |
| Power redundancy | 1+1 AC or DC |
| Unit weight | 19 lb (8.62 kg) (fully loaded with 2 power supplies and fan tray) |
| 14 lb (6.35 kg) (base system only; no power supply or fan tray) | |
| Average and maximum power consumption (in watts [W]) | 230W average |
| 275W maximum | |
| Rack-mounting options | Front and rear mount |
| High-performance rear mount | |
| Uplink optic types | SFP and SFP+ |
| Optics | CWDM, DWDM, SR, LR, LRM, and CX4 |
| Environmental | Operating temperature 32 to 104°F (0 to 40°C) |
| Storage temperature -40 to 167°F (-40 to 75°C) | |
| Relative humidity 10 to 90%, noncondensing | |
| Operating altitude -196 to 6561 ft (-60 to 2000m) | |
| Mean time between failure (MTBF) | Cisco Catalyst 4948E-F : 149,261 hours |
Подробнее с характеристиками данной модели можно ознакомиться в официальном описании от производителя
- Cisco Catalyst 4948 10 Gigabit Ethernet Switch (eng)
Источник: Cisco.com