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Black Box Corporation
MT14230A-SM-SC
$2,885.00
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Manufacturer Black Box Corporation
Manufacturer Part Number MT14230A-SM-SC
Manufacturer Website Address https://www.blackbox.com
Brand Name Black Box
Product Model MT14230A-SM-SC
Product Name T1/E1 to Fiber Mux, Single-Mode Duplex SC, 30 km, with LAN Connector
Marketing Information 
  • It also has an integrated 10BASE-T/100BASE-TX copper LAN port for Ethernet connections.
  • Ideal for extending T1 and Ethernet communications over fiber to a remote PBX and other equipment.
  • Local loopback on both the copper and fiber ports.
  • It also offers remote fiber loopback and circuit test modes.
  • Configurable alarm relay contacts enable you to set up audio/visual fault notification.

Get extra distance for your T1/E1 and 10-/100-Mbps Ethernet communications with a pair of T1/E1 to Fiber Muxes. Unlike ordinary fiber-based T1 extenders, the four-port muxes eliminate the requirement that each channel have its own fiber link.

In a typical enterprise application, these unmanaged muxes use optical media to aggregate and extend four T1 or E1 channels from a local PBX to four T1/E1 connections at a remote PBX.

Use them also for mobile backhaul applications where you want a cost-effective, multiservice platform that's capable of delivering Ethernet and TDM services over a fiber link. Extend four T1 lines from your TDM network and an Ethernet connection from the IP network to a cell site, for instance.

With fiber optics, your T1/E1 and Ethernet communications also receive the benefits of security, immunity against EMI and RFI, and protection against the harmful effects of ground loops.

The T1/E1 to Fiber Muxes offer simple installation and use. DIP switches are used to configure the units for T1/E1 line operation and enabling port alarm relays. For troubleshooting, the T1/E1 to Fiber Mux offers local loopback on both the copper and fiber ports, as well as remote fiber loopback and circuit test pattern modes - minimizing the need for testing functions at both ends of the link.


Product Type Data Multiplexer
Management Port No
Number of Network (RJ-45) Ports 1
Number of RJ-48 Ports 4
Number of SC Ports 1
SC Port Type Duplex
Connectivity Technology Wired
Media Type Supported Optical Fiber
Twisted Pair
Ethernet Technology Fast Ethernet
Network Technology Supported 100Base-FX
10/100Base-TX
Maximum Data Transfer Rate 100 Mbit/s
Fiber Mode Supported Single-mode
Maximum Distance Supported 18.6 Mile
Input Voltage 120 V AC
230 V AC
Form Factor Desktop
Height 1.90" (48.26 mm)
Width 6.70" (170.18 mm)
Depth 5.50" (139.70 mm)
Weight (Approximate) 1.13 kg
Certifications & Standards CE
Country of Origin United States
TAA Compliant Yes
Environmentally Friendly Yes
Limited Warranty 2 Year