Telephone Optical Terminal Application Fields and Buying Guide

📅Oct 10, 2012

Brief：Telephone optical terminals are mainly used in military and government units, small and medium-sized companies, IP phone shops, highways, and some temporary construction sites that require rapid deployment of telephone and data services, as well as the ongoing village-level telephone access projects.

[Telephone Optical Terminal](
         Telephone optical terminals, due to their unique performance and application fields, have relatively complex manufacturing processes and product parameters. How to procure a telephone optical terminal suitable for one's own project has become a concern for many consumers.
         Every manufacturer should provide users and engineering contractors with mature products rather than research prototypes, so practicality must be considered. When selecting a telephone optical terminal, users and engineering contractors can evaluate from the perspective of equipment practicality. First, practicality issues are easy for users and engineering contractors to judge; second, it is hard to believe that a manufacturer that cannot handle practicality well can deliver good reliability and technical specifications in telephone optical terminals. Here we briefly discuss the practicality of optical terminals from the following perspectives.
         1. Neat appearance and reasonable structure
Telephone optical terminals are highly technical products. Their appearance should be compact, refined, and aesthetically pleasing, and the overall structure should conform to engineering installation requirements as much as possible. Generally, indoor **[digital video optical terminals]( besides being mountable in a 19-inch cabinet, should also accommodate desktop or wall-mounted installation needs in engineering projects. In addition, telephone optical terminals must have good heat dissipation and electrical contact performance.
         2. Rich interfaces and reasonable layout
         In addition to sufficient video interfaces, telephone optical terminals may also require or potentially require other feature-rich interfaces, such as high-fidelity audio interfaces, telephone interfaces, asynchronous data interfaces, Ethernet interfaces, and switch quantity interfaces. This requires that the selected digital video optical terminal must have system upgrade capability, so that the equipment does not need to be completely replaced due to network upgrades or system function changes, thereby protecting the user's initial investment.
         Telephone optical terminals have many types and quantities of interfaces, and some may be accompanied by mode-setting DIP switches. All these elements should form a user operation interface with a reasonable layout, leaving adequate operating space between interfaces to facilitate engineering installation and maintenance.

     For example, if video interfaces are too densely arranged, an awkward situation may arise in actual use where, to repair one video connector, other normal video connectors must be unplugged.
         3. Clear indicator light meanings for convenient commissioning and maintenance
         To facilitate engineering commissioning and maintenance, telephone optical terminals should be equipped with indicator lights with clear meanings. In addition to the power indicator, both the transmitting and receiving units of the digital video optical terminal must have video presence indicators to show whether video signals are being input or output on the corresponding video channels. Engineering personnel and users can then, during the commissioning and maintenance phases, judge the status based on the video indicators, locate fault points, and resolve potential issues as quickly as possible.

← Back to Service & Support