LimpidEmergency Telephones Design

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Rail Systems Emergency Telephones

Button-operated SIP telephones for metro and tram

IP66DS Series IP rating
SIPTelephones on an IP line
4Rail system projects
Rail systemsPlatform · tunnel · along the line

What is a
rail system SOS telephone?

It is the point where a passenger can speak with the control center on the platform, in the tunnel or along the line. Pressing the button is enough; the call is sent to the PBX over the IP (SIP) line.

01 · Protection

Against dust and moisture

The DS Series has an IP66 rating once installation is complete and comes with an IP67 stainless steel button. The LMD-12 enclosure is also IP66 and TSE certified.

02 · Use

One press of the button is enough

Button-operated models are used in rail systems: the DS Series and the hands-free B model of the S-109. The telephone is mounted on its own or in an enclosure.

03 · Line

IP (SIP) and a single PBX

The telephones run on an IP (SIP) line. All Limpid products work on the same PBX and cabling, so the system can be extended along the whole line.

Products for rail systemsButton-operated models

Button-operated telephone,
enclosure

Yellow (RAL 1023) button-operated telephones are used in rail system projects; the telephone is mounted on its own or in an enclosure.

DS SERIES

Compact, single button

The smallest enclosure, for narrow recesses and installation inside cabinets. Single aluminum casting with electrostatic powder coating.

IP ratingIP66
MountingWall
ButtonIP67
ReferencesRail system projects

The lines
we work on

Projects where Limpid telephones are in service on metro and tram lines.

Metro

Narlıdere Metro

İzmir

Tram

Antalya Tram

Antalya

Tram

Bursa Tram

Bursa

Tram

İzmir Tram

İzmir

FAQRail system emergency telephone

Common
questions

What is a rail system emergency telephone?

It is a fixed telephone that lets a passenger speak with the control center on the platform, in the tunnel or along the line. Pressing the button is enough; the call is sent to the PBX over the IP (SIP) line.

Which telephone model is used in rail systems?

Button-operated models are used: the DS Series and the hands-free B model of the S-109. The telephone is mounted on its own or in one of the LMD-10, LMD-11 and LMD-12 enclosures.

Which IP rating is suitable for a rail system?

The DS Series has an IP66 rating once installation is complete; the LMD-12 enclosure is also IP66 and TSE certified. The required IP rating is set by the project specification.

Which color is used in rail systems?

Yellow (RAL 1023, traffic yellow) telephones are used in rail system projects. The enclosure color is chosen to order.

Which rail system projects do you work on?

Limpid telephones are in service on Narlıdere Metro and the Antalya, Bursa and İzmir tram lines.

How do I get a quote for a rail system project?

On the Design page you can choose the telephone and enclosure and get the product code, or you can write to us from the contact page.