The ST-TC1 is intended to be connected to an on-site telephone system switching unit KSU. It is NOT intended to be connected directly to a telephone CO line. Connections from the ST-TC1 go into the telephone switching unit as if the ST-TC1 was an incoming phone line.
When the KSU seizes the line to the ST-TC1, a relay contact closure is provided which can be used to control a variety of equipment, such as a paging system or radio system. The closure is maintained as long as the line is seized. A 600 transformer-isolated audio feed is available for audio input to or output from the telephone switching unit. The ST-TC1 will pass DTMF audio from a telephone keypad or other DTMF generating device.The ST-TC1 may be utilized to add paging zones or radio system interface to a telephone system. When any instrument in the telephone system seizes the line associated with the ST-TC1, the relay closes to activate the radio or paging function, and the audio spoken into the handset is broadcast. The ST-TC1 can not be connected to a phone line that has ringer voltage present.
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Features:
- Simulate a Telco CO Line
- Connect to local telephone switch or instrument
- Add Radio Control or Paging to KSU
- Contact Closure when Line is Off-hook
- Audio Input/Output from Telephone Switching Unit
The ST-TC1 can be used in conjunction with RDL’s ST-VOX1 modules to provide two-way communication. The ST-VOX1 will provide the necessary push-to-talk function to key the two-way communications systems.
Fast shipping and professional packing
Because of our long-standing relationship with UPS FedEx DHL, and other major global carriers, we are able provide various shipping options. Our warehouse personnel will pack each item according to our strict specifications. Prior to shipping the goods are thoroughly inspected and secured. Every day we ship hundreds of packages to our customers across many countries. The fact that we're dedicated to becoming the largest online retailer in the world is evident. The warehouses and centers of distribution are in Europe and the USA.
Note that orders containing more than one item are processed according to the particular item.
We will inspect each and every one of the products before they are shipped. Today, the majority orders will be shipped within 48 hours. The delivery time will be between 3-7 working days.
Returns
The stock market is always changing. It's not entirely managed by us, since we are involved with multiple organizations, such as the factory and the storage. The actual levels of stock can change at any time. Please understand it may happen that your order is out of stock when the order has been placed.
Our policy runs for a period of 30 days. However, if the 30 days have elapsed from the date you purchased the product, we are unable to give you a refund or exchange.
For your item to be eligible for return, it must be unopened and in the condition you received it in. It should also be in the original packaging.
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