OptiCon SBG-1000 Quick Start Guide
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1.2 PSTN Back-up Types
PSTN Back-up functions can be supported with ONLY one of the following daughter board types assembled from the
factory.
Daughter board types for PSTN Back-up
Resources
Remark
CIU4 installed in OptiCon SBG-1000
4 CO Port
CO Interface Unit
In the event of a power failure, the 1
st
CO port is automatically connected to SLT port as basic so that the system
works for PFT (Power Failure Transfer).
1.3 Installation of PSTN Back-up
PSTN Back-up can be optionally mounted on OptiCon SBG-1000 system.
To install PSTN Back-up board, perform the following Steps:
1. Remove the screws.
2. Open the cover carefully.
3. Install PSTN Back-up board.
Figure 1.2 Board installation
Note: The system must need to reset to Default after PSTN Back-up installation.