Anonymous Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
GX-1421A
GX-1421A, SmartBits, 100/1000 Mbps, Ethernet SmartCard
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
✔ Free Domestic Ground Shipping
✔ NIST Calibration Available
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Spirent SmartBits GX-1421A Ethernet GMII/MII SmartCard
The SmartBits GX-1421A is a powerful Ethernet GMII/MII SmartCard. The fabricator of the SmartBits GX-1421A Ethernet SmartCard is Spirent Communications. The compatibility of the SmartBits GX-1421A Ethernet SmartCard is with multiple SmartBits modules and performance analysis systems. The Spirent SmartBits SMB-200 and SMB-2000 Chassis can house the SmartBits GX-1421A Ethernet SmartCard. The design of the SmartBits GX-1421A Ethernet GMII/MII SmartCard is based on the functions of the Spirent SmartBits GX-1420B SmartCard. Both SmartCards can be joined to test the capabilities of various network devices.
The SmartBits GX-1421A comes with a single-port interface. The line speed supported by the SmartBits GX-1421A is 100 Mbps and 1000 Mbps. The full-duplex operation is supported only at 1000 Mbps line speed. At 100 Mbps, the SmartBits GX-1421A can operate at either half-duplex or full-duplex mode depending on the user’s requirement. The traffic generation at 100% wire-rate along with IP checksum analysis is possible with the usage of the SmartBits GX-1421A Ethernet SmartCard. Additionally, the SmartBits GX-1421A Ethernet SmartCard has a built-in capability of detecting IP checksum error, generation of IP checksum error, and generation of the CRC error.
The Spirent SmartBits GX-1421A Ethernet GMII/MII SmartCard is featured with the characteristics of VLAN tagging, generation of PING, and analysis ARP. The SmartBits GX-1421A can test the performance and potential of GMII-based and MII-based devices. The Spirent SmartBits GX-1421A complies with the IEEE specification 802.3ab. The frame size supported by the Spirent SmartBits GX-1421A Ethernet GMII/MII SmartCard lies in the range of 20 – 2048 bytes. Spirent Communications sells the Spirent SmartBits GX-1421A Ethernet SmartCard without any software.
| Model | GX-1421A |
|---|---|
| Manufacturer | Spirent Communications |
| Type | Ethernet GMII/MII SmartCard |
| Number of Ports | 1 |
| Compatible Chassis | SMB-200 and SMB-2000 |
| Duplex Operation | Half/Full |
| Line Rate | 100/1000 Mbps |
| Frame Length | 20 – 2,048 bytes |
| Weight | 3 lbs. |
| GX-1421A User Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
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