Avaya G860 Installing And Operating page 98

Avaya G860 Media Gateway
Open or Normally Closed methods. See the diagram of the SA/RTM in 'SA/RTM
Panel' on page 34.
The SA/RTM provides two connectors – one is soldered on the SA PCB and the
second is a terminal block. The Terminal block contains 3 dry contact relays for
connecting to Telco alarm equipment. This connection method is recommended for
providing a high availability solution.
The alarm outputs are rated for 2A at 30V.
standard copper wire may be used.
To connect the contact relays to Telco alarm equipment, take
these 6 steps:
1. Check the equipment to be connected.
2. Open the screws that connect the terminal block to the PCB's connector.
3. Unplug the terminal block.
4. Select one of these two methods to connect the relays of both SA/RTMs either
using normal logic or inverse logic:
•
If the equipment has NO (Normally Open) and COM terminals, use normal logic
scheme.
•
If the equipment has NC (Normally Closed) and COM terminals, use inverse logic
scheme
5. Make connections according to the appropriate diagram below.
98 Installation & Operation Manual
A maximum gauge of 20 AWG for