Specifications

Alto 818 Installation and Operation
4-6 P/N 66109074001 Rev. D
1. Verify that all installed power supplies to the S-Net are OFF.
2. Carefully cut through the S-Net cable shield.
3. Cut the power lines.
4. Tape and stow the power lines from the upstream S-Net.
5. Connect the downstream power lines to the supply.
6. Connect the downstream shield to chassis ground of the power supply.
7. Connect the fault output to monitor points as required.
4.2.2 POWER INSERTER
The Power Inserter, PI-1 or PI-2, can be equipped with battery backup. Separate connectors
provide power for S-Net devices and door locks. When multiple PIs are used, connectors J1 and
J2 can be used to chain power supplies along the S-Net.
Figure 4-4: Power Inserter End View