3COM 7921-01 Ether Link Circuit Board
( Brand: 3com ), ( Manufacturer Part Number: 7921-01 ), ( Part Type: Circuit Board )
Review 3COM Ether Link Circuit Board
Comprehensive Product Description for the 3Com 7921-01 EtherLink Circuit Board
The 3Com 7921-01 EtherLink Circuit Board is a remarkable piece of networking technology, engineered to deliver exceptional performance and reliability. This circuit board, a crucial component of the EtherLink II Family, is designed to cater to Fast Ethernet (100BASE-T) applications.
The 7921-01 board is renowned for its compact size, making it ideal for use in a wide range of environments, from data centers to telecommunications networks. It features four RJ-45 connectors, each capable of supporting 100BASE-TX Fast Ethernet connections, enabling high-speed data transmission and reception.
The board is built with a advanced Application-Specific Integrated Circuit (ASIC), the MAC-II, which is responsible for the board's fast data processing capabilities. The MAC-II also ensures full compliance with the IEEE 802.3u standard, guaranteeing seamless interoperability with other Fast Ethernet devices.
Additional features of the 3Com 7921-01 EtherLink Circuit Board include support for auto-negotiation, ensuring optimal link configuration based on connected devices, and full-duplex operation, allowing for simultaneous data transmission and reception. The board also includes a Power over Ethernet (PoE) capability, allowing for power to be supplied over the Ethernet cable, reducing the need for separate power sources.
In summary, the 3Com 7921-01 EtherLink Circuit Board is a versatile and powerful networking solution, designed to deliver fast, reliable, and efficient data transmission. Its compact size, advanced technology, and wide range of features make it an excellent choice for a variety of networking applications.
The 3Com 7921-01 EtherLink Circuit Board is a network interface card (NIC) designed for use in Cisco Catalyst 5000 series switches. Here are the pros and cons of buying this product:
Pros:1. Reliability: The 3Com 7921-01 is known for its high reliability and durability. It has a proven track record in many networks and is a popular choice for businesses that require a stable and robust NIC.
2. Compatibility: This circuit board is compatible with Cisco Catalyst 5000 series switches, making it a convenient option for those who already have these switches in their network infrastructure.
3. Performance: The 3Com 7921-01 supports fast data transfer rates, making it suitable for networks that require high bandwidth.
Cons:1. Availability: Due to its age, finding a new 3Com 7921-01 can be challenging. Most available units are likely to be refurbished or used.
2. Compatibility Limitations: Although it is compatible with Cisco Catalyst 5000 series switches, it may not support the latest features and technologies available in newer NICs.
3. Cost: Given its age and the fact that most available units are refurbished, the cost of the 3Com 7921-01 may be higher than that of newer NICs with similar performance specifications.
In conclusion, while the 3Com 7921-01 EtherLink Circuit Board offers reliability and performance, its availability, compatibility limitations, and potentially high cost could be disadvantages. If you need a reliable NIC for a Cisco Catalyst 5000 series switch and can find a good deal on a new or refurbished 3Com 7921-01, it could be a worthwhile investment. However, if you are looking for a more modern NIC with the latest features and technologies, you might want to consider newer options.
Details:
ITEM TITLE: 3Com Ether link II circuit board, 7921-01 Brand. Condition: Used. Most items are available in galvanized, carbon steel, stainless and aluminum as well. MPN: 7921-01.
Surplus Division. Lot# CX197 12.8.A. Model: 7921-01. Our structural steel product line includes beams, road plates, flat sheets, expanded grating material, pipe, square round tubing, bars and metal roofing.
Must ship to a commercial address with forklift and/or dock.
part #: 792101 price
- $185.00
specifications sensoindustria:
- brand: 3com
- mpn: 7921-01
- part type: Circuit Board
returns sensoindustria:
- policy: Returns Accepted
- paid by: Buyer
- method: Money back
- time: 30 Days
offer sensoindustria:
- quantity: 1
- availability: In Stock
- started: October 25, 2024
- sold: 0
- best offers: True
- options: Ship-to-home
general sensoindustria:
- PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules
- condition: Used
payments sensoindustria:
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- wallet: Apple-pay
- credit card: Visa
seller sensoindustria:
- # reviews: 13102
- rating: 99.3%
- city: Glassboro, New Jersey
shipping sensoindustria:
- class: Standard, Expedited, One-day
- type: Calculated
- cost: $15.46
- carrier: UPS, USPS
- transit: 4-8 Days
- service: UPS Ground, USPS Priority Mail, UPS Next Day Air, UPS 2nd Day Air
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