ERA® WCS and e-POI Subracks and Power Supply Unit Installation Guide M0201ABK_uc
Page 36 © June 2021 CommScope, Inc.
Power Supply Unit Subrack and Rectifier Modules
57 Vdc Power Rectifier Module
The 57 Vdc Rectifier Module (PN 7663468-xx) supplies Power over Cat6A to UAPs, Copper CAP Ls, and
connected devices.
• Fiber APs and CAP Ls with local DC do not require 57 Vdc Rectifier Module support.
• A 57 Vdc Rectifier Module is not required
– if the CAN/TEN will not be powering APs
– for Switching CANs or WINs.
• The 57 Vdc Rectifier Module has an operating temperature range of -10 to +55 °C (+14 to +131 °F).
57 Vdc Power Rectifier LEDS
The PSU Rectifier Modules are hot swappable; you do not need to power down the PSU subrack to add
or remove a module.
Condition AC OK DC OK Service Fault
Unit is functioning to specification. On On Off Off
Thermal shutdown; ambient temperatures over the operating range of 55°C (131°F) triggers the shutdown. On On On Off
Defective fan, blown AC fuse in Power Module, boost stage failure, over voltage latched shutdown. On Off Off On
No AC <15 ms (single unit) Off On Off Off
AC present but not within limits of 85 to 264 Vac. Blinks Off Off Off
AC not present Off Off Off Off
Over current On Blinks Off Off
Non-catastrophic internal failure (any detectable fault that does not shut down the unit) On On Off On
Internal communications to a specific PSU module is lost. On On Off Blinks
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