Description
Black Box T1/E1 to Fiber Mux, Single-Mode Duplex SC, 30 km
- Ideal for extending T1 connections over fiber to remote PBX 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 or E1 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 has 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 TDM services over a fiber link. Extend four T1 lines from your TDM network to a cell site, for instance.
With fiber optics, your T1 or E1 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.
Multimode versions of the T1/E1 to Fiber Mux are also available, as well as both multimode and single-mode models with an integrated copper Ethernet connection.
- Duplex single-mode fiber port supports leased-line extensions up to 30 kilometers (18.6 mi.).
- Order a second unit for the remote conversion back to T1/E1 lines.
- Aggregates four independent T1/E1 channels onto a fiber optic segment.
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
