8.4
Connecting Backup and Redundancy Connectors
WARNING
Before connecting one Midspan to another, disconnect both Midspans from AC main.
Implement Power Backup and Power Redundancy modes by using Cable kit which includes DC Cable and
signal COM.
To connect the connectors:
1.
Verify Midspans are mounted securely on the rack.
2.
Verify Midspans are not connected to AC mains.
3.
Connect DC cable*; two red wires (+), two black wires (-), and one yellow/green wire, as shown in
4.
Connect COM cable*.
5.
Connect Midspans to AC outlet.
6.
Verify Power Indicator LED is ON (Green LED).
Note:
When connecting a midspan to midspan, connect the earth ground cable between both units Earth Ground
connection.
Notes:
• If power indicator LED is not lit, refer to
.
• Backup functionality can be monitored through NMS as described in
.
• *Consult Microchip for information on DC and COM cables.
PD-90XXG
Power Backup and Power Redundancy Connection
©
2021 Microchip Technology Inc.
and its subsidiaries
User Guide
DS50003153B-page 19
