Operating instructions

TransTel Model TD-824-I Digital Telephone System – System Installation
Page 37
Power On and Operational Test
Before connecting the TD-PWU to AC power:
• Verify that input voltage and input voltage selection jumper on
TD-PWU are correct before you power up the system.
• Plug the power cord into a power outlet.
• Verify the system boots properly by checking the display of a
telephone set.
• You may now connect the battery back up unit if applicable.
Operational Tests
Check each telephone and CO line to verify that outgoing lines
are connected properly.
Check that intercom calls can be made from extension to
extension.
WARNING:
DISCONNECT THE POWER SUPPLY FROM THE AC POWER SOURCE BEFORE WIRING OR
CHANGING ANY WIRING.
Connect the Battery Backup AFTER AC power has been connected to the Power Supply.
Disconnect Battery Backup BEFORE disconnecting AC power from the Power Supply.
NOTICE:
ONCE THE SYSTEM OPERATES PROPERLY, PROCEED TO SYSTEM PROGRAMMING. (REFER
TO THE SYSTEM PROGRAMMING MANUAL.)