- IEEE 802.1X Authentication: This feature allows for the switch to authenticate users and devices on the network before granting access.
- Access Control Lists (ACLs): The switch can be configured to restrict access to certain parts of the network based on user or device attributes, such as IP address or MAC address.
- Port Security: This feature allows for the switch to limit the number of devices that can be connected to a specific port, and also to prevent unauthorized devices from connecting to the network.
- Secure Shell (SSH) and Telnet: The switch supports SSH and Telnet protocols for secure remote management and access.
- Secure Sockets Layer (SSL) and Transport Layer Security (TLS) : The switch supports SSL and TLS for secure data transmission.
- IEEE 802.1AE Media Access Control Security (MACsec): This feature provides a secure link between two switches by encrypting data transmitted between them.
- Dynamic Host Configuration Protocol (DHCP) Snooping: This feature helps to prevent DHCP server spoofing, which can allow unauthorized devices to access the network.
- Internet Group Management Protocol (IGMP) Snooping: This feature helps to prevent multicast flooding, which can cause network congestion and slow down network performance.
- Power Issues:
- Check to ensure that the power cord is properly connected and the switch is receiving power.
- Check the power supply to ensure that it is functioning properly.
- Check for any blown fuses or tripped circuit breakers.
- Connectivity Issues:
- Check to ensure that all cables are properly connected to the switch and devices.
- Check for any damaged or loose cables.
- Check the switch's ports to ensure that they are functioning properly.
- Management Issues:
- Check to ensure that the switch is configured correctly.
- Check the switch's firmware to ensure that it is up-to-date.
- Check to ensure that the switch's management IP address is correct.
- PoE Issues:
- Check to ensure that the PoE ports are properly configured.
- Check the switch's power budget to ensure that it is not exceeded.
- Check to ensure that the connected devices are PoE-compatible.
- Regular Maintenance:
- Clean the switch's vents and fans to ensure proper cooling.
- Check the switch's internal temperature to ensure that it is not overheating.
- Check the switch's ports and cables for signs of wear and tear.
- Perform regular firmware updates to ensure that the switch is running the latest version.
- Manufacturer: HP
- Model Number or SKU# J9778A
- Type: Networking
- Sub-Type: Switch 48 Ports
- Device Type : Switch - 48 Ports - Managed
- Enclosure Type : Desktop, Rack-Mountable, Wall-Mountable - 1u
- Ports : 48 X 10/100 + 2 X Combo Gigabit Sfp + 2 X 10/100/1000
- Power Over Ethernet (Poe) : Poe+
- Throughput : 13 MPPS
- Switching Capacity : 17.6 GBPS
- Mac Addresses : 16000
- Mac Address Table Size : 16000 Entries
- Jumbo Frame Support : 9220
- Remote Management Protocol : Snmp 1, Rmon 1, Rmon 2, Rmon 3, Rmon 9, Telnet, Snmp 3, Snmp 2c, Http, Tftp, Ssh-2, Cli
About Refurbished Products
Here, you can check more available conditions of your desired product J9778A at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.
Other Available Conditions for this Part
Other Available Categories For - Networking - Switch
Warranty
ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.
What does ALLHDD.Com warranty cover?
30-days to 3 years warranty:
Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.
What is not covered by our warranty?
The reason why our warranty does not cover any problem caused by the following conditions:
(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;
(b) any misuse outside the instructions in the user manual for any specific product;
(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.
What is the Manufacturer/Brand Warranty?
In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).
For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.
Important notes:
We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.
Individual product warranty mentioned on each item product description page/detail page.
Free Technical support on purchased items, our expert consultancy over the phone, by email, by live chat, or by remote login.
Delivery
Shipping Options and Estimated Delivery Time
UPS Shipping Options:
FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days
UPS 3 Day Select®
Estimated delivery time: 3 business days
UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM
UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.
UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM
UPS Next Day Air® First Overnight - Early A.M
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.
UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday
FedEx Shipping Options:
FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.
FedEx Express Saver®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)
FedEx 2Day®
Estimated delivery time: 2 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states
FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
Available throughout all 50 states (Hawaii is outbound only)
FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states
FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states
Worldwide Shipping Options:
UPS®/FedEx® International Economy
Estimated delivery time: 4-7 business days
UPS®/FedEx® International Priority
Estimated delivery time: 2-4 business days
UPS®/FedEx® Ground Shipping Canada
Estimated delivery time: 5-8 business days
Important notes:
- The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
- We are not responsible for weather problems that may affect the delivery of goods by carriers. We cannot guarantee the exact delivery time, regardless of the carriers' claims.
- If you have any specific delivery time requirements, please contact our customer support and someone from our customer service team will be able to help you.
- You can estimate the shipping cost from the products detail page, also available on the checkout page
- The shipping cost depends on box dimensions, weight, and zip/postal code
- To get a FedEx® delivery service you need to mention it on the checkout page notebox.
- For urgent shipments, please contact our customer service.
- Shipping cut off 4:00 PM (Monday-Friday) and available blind drop shipment.
