Description
Racal-Datacom Excalibur ISX 5311 T1 FT1 Frame Relay Multiplexer 10BT Ethernet
Desktop multiplexer for T1, Fractional T1, and Frame Relay network connections. Consolidates multiple data streams over single T1 or FT1 lines with integrated Ethernet connectivity.
Specifications & What's Included
- Model: ISX 5311 (MPN: 15-31A1001101A)
- Interfaces: T1, FT1, 10BT Ethernet, DS1A, DTE, NMI management port
- Data Rate: 1.544 Mbps (T1) / Fractional T1
- Ports: 4 total (DTE via DB-25, others RJ-45)
- Management: Front-panel LCD display with keypad navigation via NMI port
- Unit only — AC adapter not included
Applications
Used in WAN environments to multiplex data traffic over T1/FT1 circuits. Common in enterprise networks for connecting bridges and routers over Frame Relay networks. Supports DTE devices communicating across T1 and fractional T1 links. Typically deployed in telecommunications infrastructure from the 1990s-2000s for cost-efficient bandwidth management.
Condition: Used
This Racal-Datacom Excalibur ISX 5311 T1/FT1 Frame Relay Multiplexer has been inspected and appears to be in good condition. The enclosure is intact with normal wear consistent with prior use in an office or telecom environment. The front LCD panel and keypad are present and undamaged. The rear ports — DTE, 10BT Ethernet, NMI, and DS1A — appear clean and undamaged. Note: AC adapter is not included. 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 Racal-Datacom Excalibur ISX 5311 T1/FT1 Frame Relay Multiplexer has been inspected and appears to be in good condition. The enclosure is intact with normal wear consistent with prior use in an office or telecom environment. The front LCD panel and keypad are present and undamaged. The rear ports — DTE, 10BT Ethernet, NMI, and DS1A — appear clean and undamaged. Note: AC adapter is not included. 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: |
Racal-Datacom |
Model: |
ISX 5311 |
MPN: |
15-31A1001101A |
Secondary Model: |
Excalibur ISX 5311 |
Type: |
T1/FT1 Frame Relay Multiplexer |
SKU: |
25768 |
Condition: |
Used – Inspected |
Seller Notes: |
Unit only — AC adapter not included. |
Country/Region of Manufacture: |
Canada |
Form Factor: |
Desktop |
Interface Type: |
T1, FT1, 10BT Ethernet, DS1A, DTE, NMI |
Data Rate: |
1.544 Mbps (T1) / Fractional T1 |
Protocol: |
T1, FT1, Frame Relay |
Number of Ports: |
4 (DTE, 10BT Ethernet, NMI, DS1A) |
Management Type: |
Managed (NMI port, front LCD display) |
Compatible With: |
Bridges, routers, DTE over T1/FT1/Frame Relay |
Display: |
Front-panel LCD with keypad navigation |
Connector Type: |
RJ-45 (10BT, NMI, DS1A); DB-25 pin block (DTE) |
Condition Notes: |
Racal-Datacom Excalibur ISX 5311 T1 multiplexer. Inspected and in good used condition. Enclosure and ports intact with normal wear. AC adapter not included. Please contact us with any questions. |
