CDB-8U Cisco 8 PORT UPOE IN Managed L2 Fast Ethernet (10/100) Power over Ethernet (PoE) Black
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8 PORT UPOE IN
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overview
specifications
resources
faqs
reviews
CDB-8U Overview
CISCO - Catalyst Digital Building Managed Switch - 8 Ethernet Ports & 2 Ethernet Ports Uplink (CDB-8U).
Cisco Catalyst Digital Building Switch, 8 x FE, 480W UPOE, Uplinks: 2 x 1G copper, LAN Lite
- 8 fast Ethernet ports and 2 gigabit copper uplink ports, with line-rate forwarding performance
- Universal Power over Ethernet (Cisco UPOE) and Power over Ethernet Plus (PoE+) support with up to 480W of power budget
- Support for Layer 2 features, optimized for robust connectivity to lighting and other building IoT devices
- Silent operation due to fanless design, which enhances reliability
- Enhanced Limited Lifetime Warranty (E-LLW)
- Managed L2 Web-based management
- Basic switching RJ-45 Ethernet ports quantity: 10
- MAC address table: 8192 entries Switching capacity: 5.6 Gbit/s
- Access Control List (ACL)
- Power over Ethernet (PoE)
Summary Description
Cisco 8 PORT UPOE IN. Switch type: Managed, Switch layer: L2. Basic switching RJ-45 Ethernet ports type: Fast Ethernet (10/100), Basic switching RJ-45 Ethernet ports quantity: 10. Full duplex. MAC address table: 8192 entries, Switching capacity: 5.6 Gbit/s. Networking standards: IEEE 802.1AX, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x, IEEE.... Power over Ethernet (PoE)
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Specifications
Overview
| Condition | New |
|---|---|
| Brand | Cisco |
| Stock | In Stock |
Management features
| Switch type | Managed |
|---|---|
| Switch layer | L2 |
| Web-based management | Yes |
| ARP inspection | Yes |
Ports & interfaces
| Basic switching RJ-45 Ethernet ports quantity | 10 |
|---|---|
| Basic switching RJ-45 Ethernet ports type | Fast Ethernet (10/100) |
| Fast Ethernet (copper) ports quantity | 8 |
| Gigabit Ethernet (copper) ports quantity | 2 |
Network
| Networking standards | IEEE 802.1AX, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.3af, IEEE 802.3at, IEEE 802.3az, IEEE 802.3u, IEEE 802.3x |
|---|---|
| 10G support | No |
| Full duplex | Yes |
| Broadcast storm control | Yes |
| Spanning tree protocol | Yes |
| VLAN support | Yes |
| Number of VLANs | 64 |
Data transmission
| Switching capacity | 5.6 Gbit/s |
|---|---|
| Forwarding rate | 4.2 Mpps |
| MAC address table | 8192 entries |
| Number of queues | 4 |
Security
| DHCP features | DHCP relay |
|---|---|
| Access Control List (ACL) | Yes |
| Security algorithms | 802.1x RADIUS |
Multicast features
| Multicast support | Yes |
|---|
Design
| Product colour | Black |
|---|
Performance
| Internal memory | 512 MB |
|---|---|
| Flash memory | 256 MB |
| Mean time between failures (MTBF) | 710270 h |
Power
| AC input voltage | 100 - 277 V |
|---|---|
| Power consumption (typical) | 600 W |
Power over Ethernet (PoE)
| Power over Ethernet (PoE) | Yes |
|---|---|
| Total Power over Ethernet (PoE) budget | 480 W |
Operational conditions
| Operating temperature (T-T) | -5 - 50 °C |
|---|---|
| Storage temperature (T-T) | -25 - 70 °C |
| Operating relative humidity (H-H) | 5 - 95% |
| Storage relative humidity (H-H) | 5 - 95% |
| Operating altitude | 0 - 3048 m |
| Non-operating altitude | 0 - 4000 m |
Weight & dimensions
| Width | 221.5 mm |
|---|---|
| Depth | 281.2 mm |
| Height | 69.8 mm |
| Weight | 4.38 kg |
Resources
Documents
Frequently Asked Questions
What is the primary advantage of the Cisco CDB-8U 8-Port UPoE switch for modern office deployments? +
The Cisco CDB-8U is designed to deliver Universal Power over Ethernet (UPoE), allowing it to supply up to 60W of power per port. This is ideal for high-draw peripheral devices like video conferencing systems, dual-radio 802.11ac access points, and virtual desktop terminals that require more power than standard PoE+ switches can provide.
Is the Cisco CDB-8U a managed switch capable of handling VLAN configurations? +
Yes, this unit is a fully managed Layer 2 switch. It provides administrators with granular control over network traffic, allowing for the configuration of VLANs, port security, and Quality of Service (QoS) policies. This level of management is essential for segmenting traffic and ensuring optimal performance for bandwidth-sensitive applications across your enterprise environment.
How does the UPoE capability on the CDB-8U differ from standard PoE+? +
While standard PoE+ is limited to 30W per port, the CDB-8U utilizes UPoE to double that capacity to 60W. This standard is significantly more versatile for powering intelligent building devices, including LED lighting systems, motorized shades, and advanced digital signage, which often exceed the power budget limitations of traditional PoE switches.
Can the Cisco CDB-8U be deployed in space-constrained environments? +
The compact form factor of the CDB-8U makes it an excellent choice for deployments where rack space is at a premium. Its design allows it to be installed in small closets, under desks, or in wall-mounted enclosures, providing enterprise-grade switching performance without requiring a large dedicated data center footprint.
What are the common management interfaces available for the Cisco CDB-8U? +
This switch supports standard Cisco management protocols, typically including a command-line interface (CLI) via console, as well as an intuitive web-based GUI. These tools allow network administrators to monitor port status, manage power consumption per port, and perform firmware updates efficiently across the device fleet.
Does the CDB-8U require a specific type of cabling for its UPoE functionality? +
To ensure reliable power delivery and maximum data throughput, it is recommended to use Category 6 or 6A cabling when utilizing the full 60W UPoE capacity. Proper cabling reduces resistive power loss and maintains signal integrity, ensuring that the powered devices function correctly without intermittent connectivity issues or power drops.
Is this switch suitable for supporting high-density VoIP deployments? +
Absolutely. The managed nature of the CDB-8U allows for the implementation of Voice VLANs and robust QoS configurations. These features prioritize voice traffic over standard data, ensuring clear, jitter-free communication for IP telephony handsets connected directly to the switch, even during periods of high network utilization.
How does the CDB-8U maintain network reliability in a business environment? +
The switch integrates advanced hardware and software features designed for high availability. It includes robust error-checking protocols and support for various Spanning Tree features to prevent network loops. By providing stable power delivery and consistent switching performance, the device ensures that critical edge devices remain operational and connected to the core network consistently.
How can I obtain a bulk quote for multiple Cisco CDB-8U units for an enterprise project? +
If you are planning a large-scale deployment and require pricing for multiple units, please contact the BuyRouterSwitch.com sales team directly. We specialize in assisting procurement departments with bulk order configurations and can provide a tailored quote that accounts for your specific volume requirements and project timeline.
Why should I choose BuyRouterSwitch.com for purchasing my Cisco networking hardware? +
BuyRouterSwitch.com is a trusted source for authentic Cisco enterprise equipment. We prioritize providing our customers with genuine hardware and a streamlined procurement process. By choosing us, you receive dedicated assistance from knowledgeable professionals who understand the complexities of enterprise networking, ensuring your order is handled accurately and efficiently.
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