Testing and Commissioning Fixed Telephony - Railway Technology
Join Our Newsletter - Get important industry news and analysis sent to your inbox – sign up to our e-Newsletter here

Testing and Commissioning Fixed Telephony

One of the main responsibilities of Firstco recently was to test and commission the telephone and public address / voice alarm systems within the new T5 rail station and tunnels.

The phone systems there consist of over 100 analogue telephone lines. These serve general-purpose telephones and lift intercom and passenger help points, among other devises. The public address / voice alarm system provided both passenger information announcements and voice evacuation message in the case of a fire alarm.

One day Firstco’s engineers will be tracking down faults on the speaker lines; the next they will be completing the final drawing showing the connections of the phones in one of the escape shafts in the tunnel.

More About This Company