Warning: This will void your warranty, Also this involves working with electrical power systems. Be careful.
The Redline AN–50e
is a wireless backhaul that can beam about 45Mbps of general Ethernet traffic over
long distances. We happened to have one that uses 120V AC power and needed to put
it at a site that has 24V DC power from a
Valere rectifier.
We will also use a Cisco MWR1941-DC
and a Last Mile Gear CTM-1M at this site, all running off DC power.
Do note that this modification most assuredly voids the warranty. This AN–50e
happened to be out of warranty and we have spares, so…
This a Redline AN–50e Terminal:
Supplies
I ordered the following components from onlinecomponents.com.
You might be able to find them cheaper somewhere else, but they had the best price of
out of all the suppliers I checked that actually had the parts in stock.
| Manufacturer | Part number | Price each | Minimum quantity | Description |
|---|---|---|---|---|
| Corcom/Tyco | PS000DD3D | $18.80 | 1 | Power receptacle, EMI filter, and fuse box |
| Molex | 03-12-1026 | $0.34 | 1 | Power plug |
| Molex | 18-12-1222 | $0.059 | 100 | Pins for power plug |
Conversion
Remove the power supply and EMI filter/fusebox/power socket.
There are four screws holding the power supply in place. The AC power socket module snaps in.
You will need to depress the snaps with a screwdriver and wiggle it out.
The power input corner of the case should now look like this:
Use the wires that originally went from the AC power module to the power
supply to connect the DC power module to the system board.
On the board:
The white wire should go to the bottom pin on the power header.
The second pin should go into the empty space on the plug.
The black wire should go to the third pin on the header.
On the power module:
The white wire goes to the bottom blade on the DC power module. It is V++.
The black wire goes to the top blade on the DC power module. It is V--.
The ground wire goes to the blade on the left side of the end of the DC power module.
I pushed the wire through the hole in the blade and soldered it to the shield around the DC power module.
