Description
Power Supply Unit (PSU)
A Power Supply Unit (PSU) is an electrical component that provides power to the other components of a computer or network device. In the case of the RWJ77 Dell Networking S3048-ON, the PSU is responsible for converting alternating current (AC) from a power source, such as a wall outlet, into direct current (DC) that can be used by the device.
The S3048-ON is equipped with 1x AC PSU included, which means that it comes with a single power supply unit that uses AC power. AC power is the most common type of power used in most homes and businesses and is provided by the electrical grid. The AC power is then converted by the PSU into the DC power that is used by the device.
Having a single AC PSU included in the S3048-ON provides a cost-effective solution for organizations with smaller power needs, while still ensuring reliable operation of the device. For organizations with higher power requirements, it is possible to add additional PSUs to the device, allowing for increased power redundancy and availability.
Air or Io cooling options
The “Air or Io cooling options” in the RWJ77 Dell Networking S3048-ON refers to the two different cooling methods that the device can use to regulate its internal temperature.
- Air Cooling: This is the most common type of cooling used in most network devices, including the S3048-ON. Air cooling uses fans to circulate air within the device, which helps to dissipate heat generated by the components. This is a simple and effective cooling method that requires minimal maintenance.
- Io Cooling: Io cooling, short for input/output cooling, refers to the cooling of the components through direct contact with a fluid, such as water or oil. Io cooling is more efficient than air cooling, as it can better dissipate heat from high-heat components, such as processors and power supplies. However, io cooling also requires more maintenance and is more complex to implement than air cooling.
The choice between air or io cooling options for the S3048-ON will depend on the specific needs and requirements of an organization. For example, air cooling may be sufficient for small to medium-sized networks, while io cooling may be necessary for larger and more demanding networks.
In conclusion, air or io cooling options provide a choice between two effective methods for regulating the temperature of the S3048-ON and ensuring that it operates reliably and efficiently. The choice between the two options will depend on the specific needs and requirements of an organization.
Network Connectivity Options
Network connectivity options refer to the different types of interfaces and ports that allow devices to connect to a network and exchange data. The RWJ77 Dell Networking S3048-ON provides several network connectivity options, including 48x 1Gigabit Ethernet (1GBE) ports and 4x 10 Gigabit Ethernet (10GBE) ports using Small Form-Factor Pluggable (SFP+) transceivers.
1Gigabit Ethernet is a widely used networking standard that provides a data transfer rate of up to 1 Gbps. It is commonly used for connecting end-user devices such as computers and printers to a local area network (LAN).
10 Gigabit Ethernet, on the other hand, provides a much higher data transfer rate of up to 10 Gbps, making it suitable for demanding network applications such as high-definition video streaming and large data transfers. The SFP+ transceivers provide a compact and flexible interface for connecting to different types of optical fiber or copper cables.
Having a mix of 1GBE and 10GBE ports in the S3048-ON allows for flexible network connectivity and the ability to accommodate different types of devices and applications. The availability of multiple connectivity options allows organizations to choose the right mix of port speeds and connectivity types to meet their specific needs.c
KEY FEATURES
- Brand: Dell
- Part Number: RWJ77
- Type: Networking
- Sub-Type: Switch 48 Ports
- Device Typ : Switch – 48 Ports – L3 – Managed – Stackable
- Enclosure Type : Ack-mountable 1u
- Subtype gigabi : Ethernet
- Port : 48 X 10/100/1000 + 4 X 10 Gigabit Sfp+
- Performance : Switching Fabric Bandwidth: 260 GBPS ¦ Forwarding Performance: 131 MPPS ¦ Latency (1000base-t): 3.7 ?s ¦ Latency (sfp+): 1.8 ?s
- Capacity : Mac Addresses: 80000 ¦ Ipv4 Routes: 16000 ¦ Ipv6 Routes: 8000 ¦ Links Per Group: 16 ¦ Groups Per Stack: 128 ¦ Queues Per Port: 8 ¦ Vlans Supported: 4000 ¦ Mstp Instances: 64 ¦ Vrf-lite Instances: 64 ¦ Ipv4 Hosts: 40000 ¦ Ipv6 Hosts: 8000 ¦ Multicast Entries (ipv4): 8000
- Mac Address Table Size : 80k Entries
- Routing Protocol : Vrrp, Ospfv2, Igmpv3, Msdp
- Remote Management Protocol : Snmp 1, Snmp 2, Rmon 1, Rmon 2, Rmon 3, Rmon 9, Snmp 3
- Features : Flow Control, Spanning Tree Protocol (stp) Support, Rapid Spanning Tree Protocol (rstp) Support, Multiple Spanning Tree Protocol (mstp) Support, Per-vlan Spanning Tree Plus (pvst+), Lacp Support, Lldp Support, Snmp Trap, Dynamic Vlan Support (gvrp)
- Compliant Standards : IEEE 802.3u, IEEE 802.3z, IEEE 802.1d, IEEE 802.1q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (lacp), IEEE 802.1w, IEEE 802.1x, IEEE 802.3ae, IEEE 802.3ac, IEEE 802.1s, IEEE 802.1ab (lldp)
- Power : Ac 120/230 V (50/60 Hz)
- Power Redundancy : Optional
