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Electronic Annunciator Exchange The AM-10 is a rugged, efficient and modern annunciator exchange for magneto telephones that replaces the TCA 3352 type of Multiway Telephone Annunciator for 25 years vintage. As a radial hub, the AM-10 can form a practical and economic network in critical areas. It's capability to link long distances through heavy interference makes it ideal for communication with LC gates and similar railway locations. Models AM-5, AM-10 and AM-15 can handle 5,10 and 15 telephones respectively. Manufactured by the same unit that has produced over 50,000 magneto telephones for railways in India and abroad, the AM-10 incorporates may useful features such as:
- Sleek cabinet in ergonomic, aesthetic and compact size.
- Snug fitting cradle handset and hook switch.
- Hand generator replaced by push-button calling system
- Toggle switches replaced by micro-switches
- Sealed relays for all switching activities
- Dual-colour LEDs to indicate annunciation and line selection
- Incoming call LED remains on till call is answered.
- Auto call termination when handset is replaced on cradle
- Solid-state circuitry with modular connectors
- Electronic ringing system with piezo-ceramic tone callers
- Complete secrecy for all channels
- Operator can conference with up to three extensions
- Works on AC mains or back-up supply of 12V DC
- Siemens type handset with dynamic transducers
- Heavy duty cords with funnel grommets
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