Anonymous Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
XLW-3721A Request for Availability
XLW-3721A, 512 independent IP streams, SmartMetrics Ethernet Module
Rated 4.9/5 | 11 ratings
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
✔ Free 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 XLW-3721A TeraMetrics Ethernet XENPAK MSA Module
The SmartBits XLW-3721A is a powerful Ethernet XENPAK MSA Module. The producer of the SmartBits XLW-3721A is Spirent Communications. The Spirent SmartBits XLW-3721A Ethernet XENPAK MSA device is a 1-port, 2-slot, 10-Gigabit Ethernet Module developed especially for the designing, benchmarking, testing, and quality checks of 10 GbE hardware and firmware. Moreover, the SmartBits XLW-3721A Ethernet XENPAK MSA Module is configured to evaluate the integrated operation of IPv4 and IPv6 devices. The design of the SmartBits XLW-3721A module complies with IEEE 802.3ae standard.
The Spirent SmartBits XLW-3721A module, in addition to the IPv4 and IPv6 protocols, supports UDP, TCP, ARP, ICMP, IGMP, RIP, and BGP-4 protocols. With built-in WAN and LAN compatibility, the SmartBits XLW-3721A Ethernet Module supports 10.3125 Gbps signal speed in LAN and 9.58464 Gbps signal speed in WAN. A wide window of frame size, i.e. 42 – 16,384 bytes, is featured in the SmartBits XLW-3721A Ethernet Module. The Spirent SmartBits XLW-3721A module has an advanced feature of measuring packet loss, latency, and frame sequence for individual streams simultaneously.
The Spirent SmartBits XLW-3721A Ethernet XENPAK MSA Module contains the provision of Layer-2 through Layer-7 testing and assesses the performance of network switches and routers as per RFC-2544 and RFC-2889 test methods. The Spirent SmartBits XLW-3721A module is used in conjunction with SmartBits SMB-600B or SMB-6000C units and requires only 02 slots for installation. The SmartBits XLW-3721A module requires one Ethernet cable and one 10/100 Mbps half-duplex Ethernet controller card for the control of the module through a PC.
| Model | XLW-3721A |
|---|---|
| Manufacturer | Spirent Communications |
| Type | Ethernet XENPAK TeraMetrics Module |
| Compatibility | SmartBits SMB-600B and SMB-6000C Modules |
| Number of Ports | 1 |
| Number of Slots | 2 |
| Testing Protocols | Layer-2 WAN and LAN |
| Line Rate | 10.3125 Gbps LAN, 9.58464 Gbps WAN |
| Frame Size | 42 - 16,384 bytes |
| Laser Wavelength | 850 nm, 1310 nm, 1550 nm |
| Warranty | 2-3 Year Warranty |
| XLW-3721A User Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
Associated part numbers for XLW-3721A:
Delivery:
No hassle return policy.
Dedicated customer service team.
Payment:
Receive Price & Availability Today!
Ask About Our Tiered Calibration Levels
Option & Modules:
Confirm Your Requirements or Versions
Cost & Lead Time Available Upon Request for Service
Repair Evaluation: $150
Common Typos:
Why Buy From Apex Waves:
