Description
The Siemens TZC-8B Firefighter’s Telephone Zone Card is a communication interface module designed for use in Siemens Desigo Fire Safety Modular Systems. It enables reliable voice communication between emergency response personnel located throughout a building during fire or emergency situations. The module provides eight supervised telephone zones with built-in tone indicators and integrates seamlessly into compatible Siemens control enclosures.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Fire Alarm System Components |
| Part Number |
TZC-8B |
| Subcategory |
Firefighter Telephone Zone Card |
| System Compatibility |
Desigo Fire Safety Modular / FireFinder-XLS / Cerberus PRO Modular |
| Number of Zones |
8 Firefighter Telephone Zones |
| Installation Type |
Plug-in module for CC-2 or CC-5 Card Cage |
| Circuit Type |
Power-limited, Class B (Style Y) |
| Communication Bus |
CAN Bus |
| Tone Indicators |
Off-hook acknowledge tone, Command-console busy tone |
| Controls |
Reset switch and address switches |
| Indicators |
20 LEDs for system status monitoring |
| Certifications |
UL864 & CAN/ULC-S576 Listed |
| Operating Status |
Active Product |
| Manufacturer |
Siemens Industry, Inc. |
| Unit of Measurement |
Each (EA) |
| Weight |
4 lbs |
Information About TZC-8B
The TZC-8B is part of the Siemens Desigo and FireFinder-XLS modular fire safety systems. It plugs into either a CC-2 or CC-5 card cage and provides up to eight dedicated firefighter telephone circuits. The card allows emergency responders to connect via portable or fixed fire telephones distributed across a facility, ensuring clear and continuous communication during critical events. Each circuit is power-limited, supervised for Class B (Style Y) operation, and features acknowledge and busy tone indicators for enhanced operational feedback.
Key Features:
- Eight Communication Zones: Supports up to eight firefighter telephone zones for distributed communication.
- Modular Installation: Plugs directly into two-slot (CC-2) or five-slot (CC-5) Siemens card cages.
- Acknowledgement and Busy Tones: Provides off-hook acknowledge and command-console busy tone alerts.
- Power-Limited Circuits: Designed for safe, energy-efficient operation in life-safety systems.
- Warden Page Option: Allows for optional integration with warden paging systems.
- System Supervision: Continuously monitors all circuits for Class B (Style Y) operation.
- CAN Bus Communication: Interfaces with the system control via a CAN bus for reliable signaling and data transfer.
- UL and ULC Certification: Listed to UL864 and CAN/ULC-S576 standards for fire alarm systems.
- The TZC-8B delivers the reliability and precision required for mission-critical firefighter communication in large building safety systems.
The TZC-8B delivers the reliability and precision required for mission-critical firefighter communication in large building safety systems.