Keyboards
Standard Series
The Standard Series of keyboards manufactured by STS Signals Ltd provides the SPT Operator with an interface to a CONCEPT 32 telephone concentrator system.
View Standard Series »1306 Series
The 1306 Series of keyboards manufactured by STS Signals Ltd has been developed in conjunction with Network Rail to provide a modern replacement for the life expired ‘Protowire’ equipment, when used with any CONCEPT 32 telephone concentrator system.
View 1306 Series »Monitor Series
The Monitor Keyboard product offers the reliability of traditional illuminated push-button switch matrix set into a monitor style enclosure with VESA standard mounting.
View Monitor Series »Protowire 528 Replacement
The 1306 Series of keyboards and CONCEPT 32 telephone concentrators manufactured by STS Signals Ltd have been developed to provide a modern replacement for the life-expired Protowire 528 concentrator equipment.
View Protowire 528 Replacement »Serial I/O Card
The Serial Interface card is used in conjunction with a Distribution Board to provide the interface between the keypanel Line Select Keys and the Telephone Interface Card (TIF).
View Serial I/O Card »Latest News
Following successful participation at Infrarail and Innotrans, STS Signals is...
0085/002040 SSI relay STS Signals is pleased to announce product approval for...
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Contact Details
Telecoms Contact Details
STS Signals Ltd
Unit 2, Stone Lane Industrial Estate,
Wimborne, Dorset. BH21 1HD
Telephone +44 (0) 1202 888402
Fax +44 (0) 1202 841717