Cisco StackPower Cable - 1.5m - Catalyst
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Product Information
Full details
This 1.5-meter Cisco StackPower cable (CAB-SPWR-150CM=) is designed for Cisco Catalyst 3750-X and 3560-X series switches, enabling power sharing and communication within a switch stack or with an External Power Supply (XPS). Its thick yet flexible build and keyed, color-coded connectors simplify setup and prevent misconnections, ensuring reliable power and data transfer between stacked switches or with an XPS unit. A key benefit is the simplified management of power resources in high-density environments.
All features
| Series | Catalyst |
|---|---|
| Model Part Number | CAB-SPWR-150CM= |
| Brand | Cisco |
Extended Product Information
FAQs
What is the primary function of the Cisco StackPower cable?
The Cisco StackPower cable enables power sharing and data communication between Cisco Catalyst switches in a stack, allowing them to function as a single, resilient unit and share power from redundant sources.
What does the color coding on the cable ends signify?
The colored bands (green, yellow, blue, red) on the cable ends are key indicators to ensure the cable is connected to the correct ports on the switches and external power supplies (XPS), preventing misconfigurations.
Can this cable be used with any Cisco switch?
No, this specific cable (CAB-SPWR-150CM=) is designed primarily for use with Cisco Catalyst 3750-X and 3560-X series switches for StackPower and XPS connections.
What is the difference between a StackPower cable and an XPS cable?
While both carry power and data, StackPower cables typically connect switches within a stack for power sharing, whereas XPS cables connect switches to an external power supply unit for redundancy or increased power capacity. The color coding differs to denote their specific function.
How does the length of the cable (1.5m) impact deployment?
The 1.5-meter length provides flexibility for connecting switches within the same rack or in adjacent racks, accommodating typical data center or network closet layouts without excessive slack.
Is this cable capable of carrying data as well as power?
Yes, the Cisco StackPower cable carries both a power signal for distribution and a data signal to facilitate communication among the switches in the power stack.
Troubleshooting
Stacking or power sharing not functioning
Verify that the cable is securely connected to both devices. Check that the correct cable type (StackPower vs. XPS) is used for the intended connection. Ensure the connectors are plugged into the correct, color-coded ports as per the switch/XPS documentation.
Intermittent connectivity issues within the stack
Inspect the cable for any physical damage. Ensure the cable is not routed near sources of strong electromagnetic interference. Reseat the cable at both ends.
Cable connector will not seat properly
Confirm you are using the correct cable for the ports (StackPower or XPS). Ensure no debris is obstructing the port or the cable connector. Verify the keyed orientation of the connector matches the port.
Pros and Cons
Pros
- Facilitates reliable power and data communication between stacked switches.
- Color-coded connectors prevent incorrect installations.
- Durable construction ensures long-term reliability.
- Flexible design simplifies cable management.
- Supports advanced power redundancy features of Cisco Catalyst stacks.
Cons
- Specific to Cisco Catalyst 3750-X and 3560-X series, limiting broad compatibility.
- Thicker cable design might require more careful routing in dense racks.
- Requires understanding of Cisco's StackPower and XPS connection schemes.
Setup, Compatibility & Care
Compatibility: This cable is primarily designed for use with Cisco Catalyst 3750-X and 3560-X series switches when utilizing StackPower or connecting to an external power supply (XPS) like the Cisco RPS23000.
Setup Instructions:
- Identify the connectors by their colored bands: green and yellow for a standard StackPower cable, red and yellow for an XPS cable.
- Consult the switch or XPS documentation for specific port designations associated with each color.
- For StackPower cables: The connector with the blue band connects to a Catalyst 3750-X switch. The connector with the yellow band connects to either a Catalyst 3750-X or an XPS.
- For XPS cables: The connector with the red band connects exclusively to an XPS. The connector with the green and blue band connects to a Catalyst 3750-X or 3560-X switch.
- Ensure the switch or XPS is powered off before connecting or disconnecting the cable to prevent electrical damage or data corruption.
- Firmly insert the keyed connectors into the corresponding StackPower or XPS ports on the devices.
Care Instructions:
- Avoid bending the cable sharply, especially near the connectors, to prevent internal damage.
- Keep the cable clean and free from dust and debris. If cleaning is necessary, use a dry or slightly damp soft cloth. Do not use solvents.
- Store the cable in a cool, dry environment away from direct sunlight when not in use.