Black Box

Black Box FT1-4 MTX-P Voice Data T1 FT1 External Multiplexer 4-Channel V2.04

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SKU:
31577
MPN:
FT1-4
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
10.00 LBS
Shipping:
Calculated at Checkout
  • Black Box FT1-4 MTX-P voice-data multiplexer — front panel with LCD display showing FT1-4 label, Network and Channel LED indicators
  • Black Box FT1-4 MTX-P rear panel showing Channel 3 and 4 DB-25 ports, Channel 1 and 2 RJ ports, Printer, Terminal, AUX, Network connectors, and LBO switch
  • Black Box FT1-4 MTX-P model label showing Model No. MTX-P and Made in USA marking
  • Black Box FT1-4 rear panel close-up showing Channel 3 and 4 DB-25 connectors, Channel 1 and 2 ports, LBO attenuation selector (0dB, -7.5dB, -15dB), Printer, Terminal, AUX, and Network ports
  • Black Box FT1-4 MTX-P front panel close-up with LCD displaying 'BLACK BOX FT1-4 V2.04 C', keypad, and illuminated ALARM LED under Network indicators
$50.00
Was: $100.00
Current Stock: 3

Sold Out

Description

Black Box FT1-4 MTX-P Voice Data T1 FT1 External Multiplexer 4-Channel V2.04

A 4-channel voice and data multiplexer for T1/FT1 lines operating at 1.544 Mbps. This unit combines multiple voice and data channels onto a single T1 connection for telecommunications and data network applications.

Specifications & What's Included

  • 4-channel T1/FT1 external multiplexer
  • Data rate: 1.544 Mbps (T1)
  • Network interface: RJ-45 (rear panel)
  • Channel interfaces: DB-25 (Ch 3 & 4), RJ-style (Ch 1 & 2)
  • Selectable LBO attenuation: 0 dB, -7.5 dB, -15 dB
  • Management ports: Printer, Terminal, AUX
  • LCD display with 4-button keypad
  • Status LEDs: TEST, CARRIER, SYNC, ALARM (network); TEST, TD, RD, RTS, CD (channels)
  • Firmware: V2.04 C

Applications

FT1 multiplexers route voice and data traffic across T1 lines in legacy telecommunications networks. Commonly deployed in PBX systems, data centers, and WAN connections to consolidate multiple analog and digital circuits. Compatible with standard T1 infrastructure and terminal equipment requiring channel-level access.

Condition: Used
This Black Box FT1-4 MTX-P Voice-Data External Multiplexer has been inspected and appears to be in good condition. The chassis is intact with normal cosmetic wear consistent with prior use. The front-panel LCD powers on and displays 'BLACK BOX FT1-4 V2.04 C' as visible in our photos. The ALARM LED is illuminated in the photos — buyers should be aware of this and inspect accordingly upon receipt. Rear-panel connectors and the LBO attenuation selector appear intact. 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.
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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:
Black Box
Model:
FT1-4
MPN:
MTX-P
Secondary Model:
MTX-P
SKU:
31577
Type:
Voice-Data T1/FT1 External Multiplexer
Number of Channels:
4
Interface Type:
T1 / FT1
Data Rate:
1.544 Mbps (T1)
Network Interface:
RJ-45 (Network port, rear panel)
Channel Interfaces:
DB-25 (Ch 3 & 4); RJ-style (Ch 1 & 2)
Management Ports:
Printer, Terminal, AUX (rear panel)
Level/Attenuation:
LBO: 0 dB, -7.5 dB, -15 dB selectable
Firmware Version:
V2.04 C
Front Panel:
LCD display; Network: TEST, CARRIER, SYNC, ALARM LEDs; Channel: TEST, TD, RD, RTS, CD LEDs; 4-button keypad
Form Factor:
Desktop / Tabletop
Country/Region of Manufacture:
United States
Condition:
Used – Inspected and in Good Condition
Seller Notes:
Unit only; inspected and in good condition. Firmware V2.04 C displayed on LCD.
Condition Notes:
Black Box FT1-4 MTX-P T1 Multiplexer inspected and in good condition. Normal cosmetic wear. LCD displays firmware V2.04 C. ALARM LED lit in photos — note before purchasing. Rear connectors intact.
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