Description
Ascend Communications MBV-BRI4U Multiband VSX ISDN NX Router RS366 V25bis X21
ISDN BRI inverse multiplexer and WAN router designed for aggregating multiple ISDN BRI connections. Supports inverse multiplexing across four BRI ports with optional X.21, RS366, and V.25bis interfaces for legacy telecom environments.
Specifications & What's Included
- Model: MBV-BRI4U (Hardware Revision F)
- Type: ISDN BRI Inverse Multiplexer / WAN Router
- Ports: 4 BRI WAN ports, NET management port, serial port
- Interfaces: ISDN NX, RS366, V25bis, X21
- Form Factor: Desktop managed router
- Unit only; no accessories included
Applications
The MBV-BRI4U was commonly deployed in enterprise WAN environments throughout the 1990s and 2000s to bond multiple ISDN BRI circuits for increased bandwidth. Used in branch office connectivity, backup links, and telecommunications infrastructure where BRI aggregation was required. Compatible with legacy Ascend VSX platforms and standard ISDN network configurations.
Condition: Used
This Ascend Communications MBV-BRI4U Multiband VSX ISDN router has been inspected and is in good used condition. It was pulled from a working environment where it was in active use. The chassis shows light surface dust and minor scuffing consistent with normal office use; the front panel LEDs and rear ports appear intact with no visible damage. The bottom label is clear and legible, confirming model MBV-BRI4U with ISDN NX, RS366, V25bis, and X21 options installed. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
This Ascend Communications MBV-BRI4U Multiband VSX ISDN router has been inspected and is in good used condition. It was pulled from a working environment where it was in active use. The chassis shows light surface dust and minor scuffing consistent with normal office use; the front panel LEDs and rear ports appear intact with no visible damage. The bottom label is clear and legible, confirming model MBV-BRI4U with ISDN NX, RS366, V25bis, and X21 options installed. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
Warranty Information
We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information
Brand: |
Ascend Communications |
Model: |
MBV-BRI4U |
Secondary Model: |
MBV-BRI4S-J |
MPN: |
MBV-BRI4U |
Part Number: |
0700-0050-003 |
Hardware Revision: |
Rev F |
SKU: |
22946 |
Type: |
ISDN BRI Inverse Multiplexer / WAN Router |
Condition: |
Used – Pulled from Working Environment |
Options Installed: |
ISDN NX, RS366, V25bis, X21 |
Interface Type: |
ISDN BRI, RS366, V25bis, X21 |
Form Factor: |
Desktop |
Number of Ports: |
4 BRI WAN ports (visible rear), plus NET and serial ports |
Management Type: |
Managed |
Country/Region of Manufacture: |
United States |
Seller Notes: |
Unit only; pulled from a working environment. No accessories included. |
Condition Notes: |
Ascend MBV-BRI4U Multiband VSX ISDN NX Router. Inspected and in good used condition. Pulled from a working environment where it was in active use. Minor cosmetic wear only. Please contact us with any questions. |
