BRX Power Injector Installation Guide
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180-0192-001-R01
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Principles of Operation and Specification Summary
The BRX Power Injector offers the following features:
Wall-mount and Pole Mount options
Can be ordered in 8, 16 or 24 pairs configurations
Field upgradable by installing up to a total of three (3) 8-pair power modules
Flexible Power Input
Local -48Vdc, or
Local 110-220VAC with factory installed AC-DC Converter, or
Express (line) Powering: 1 or 2 pairs with factory installed: GE or ALPHA Down
Converter (±190Vdc to -48Vdc)
Output Pairs with BRX Power
Connected via standard 110 punch-down connectors
Diagnostics:
Status LED per pair: indicates Power to the BRX and Error Condition (if any)
The following block diagram (figure 2) highlights the inside of the BRX Power Injector:
Figure 2: Inside the BRX Power Injector
The power source of the BRX Power Injector can either be a local -48Vdc source, a local 110-220Vac
or express power pairs. A single express power pair is sufficient to power 24 pairs with BRX devices.
Support for a second express power pair is included whenever redundancy is required. When using a
local AC input, the BRX Power Injector is factory installed with a 110-220VAC to -48VDC power
supply. When using express pairs, the BRX Power Injector is factory installed with a down converter
module (±190Vdc to -48Vdc) from either Alpha Technologies or from GE Lineage.
Note
: You need to
make sure to use the same brand of up converter (-48Vdc to ±190Vdc) and down converter for full