Global 21 - The TCD -
Telemetry Communications Device
The TCD is the hardware in the control panel that provides the gateway to the Global 21 service. The TCD establishes secure IP connections through the customer router/firewall for both the primary path; using the wired IP network, and the secondary path using Optus’s GPRS wireless network, to the Monitoring Centre, across the Emizon Service Platform.
The TCD

Key Benefits

TCD - Distributors
MCM Electronics - contact details
MCM Electronics Pty Ltd |
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Security Merchants
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Future Proof
Exacting Standards
Remote Servicing
Complete Flexibility
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