Considerations When Incorporating DC Power in Pole or Wall Mount Enclosures

Back-up power is a critical element in the reliability of any network. Configuring a system that will survive in the intended application requires close attention to detail. Large systems/central office applications typically utilize well engineered/integrated DC systems with a goal of providing five 9’s reliability (99.999%). Remote sites and wall/pole mounted enclosures are in similar need of high reliability but …

New 48VDC, 3000 Watt Rackmount Power Inverter

Powering the Network by Newmar with a new 3000 watt, 48VDC power inverter, model 48-3000RM. The new DC-AC inverter is ideal for critical communication equipment or remote sites that are sensitive to the loss of AC power. The new rackmount inverter provides seamless back-up when AC powered equipment needs to be protected from loss of utility power due to a …

Newmar Expands Power Range of DIN Rail DC UPS Series

Newmar’s DIN Rail DC UPS Series now includes 6 models which provide essential DC power functions all-in-one DIN Rail mount unit: Battery Charger, Power Supply, Low Voltage Disconnect, Battery Diagnostics, and Alarm Contacts. Three new ratings include: 12 volt, 35 amp; 24 volt, 20 amp; and 48 volt, 5 amp.

Public Safety: Keep BDA/DAS In-Building Networks Ready for Emergencies

We offer three models in 48, 24 and 12 volt output with 10 amp power rating, all of which are single DIN rail mount units providing power and alarm functions. Other solutions require supplementary components to achieve the full range of features that are built-in Newmar’s DIN rail DC UPS series: a power supply, a charging circuit to maintain the …

Tapping into Light Pole Power for a DIN Rail DC UPS System For Wireless Cameras

Enclosures containing wireless cameras and back haul transmitters are ideally deployed in pole mount configuration which provides height for surveillance, optimum rf path, and theft protection. Parking lot and street light poles are preferred mounting locations where AC power  present in the light fixture, but unfortunately only available at night as the lights are controlled by a photocell so there …

Site Power Monitor Reduces Copper Theft

Going wireless is generally a good thing, except when it’s a result of thieves breaking into your remote site and stealing the copper and fiber cables. This frequently occurring scenario happened to a gas pipeline operator who was experiencing a rash of wire loss at their remote pumping/monitor stations, rendering the site useless, causing extended down time and high expense …

Remote Monitoring Reliability With DIN-UPS

Reliable power for remote monitoring has never been easier with Newmar’s new all-in-one DIN Rail Mount power solutions. These compact yet powerful radio and RTU ready systems are easy-to-install correctly on any DIN Rail. Simply connect Raven X, GE-MDS, Freewave, or Phoenix Contact Radio and RTU or PLC and you are ready to go. Systems are designed to provide convenient …

DST-8-RB: Reboot -48V DC Equipment Without Getting Your Shoes Dirty

Picture this scene at the network operations center: Friday night, 4:45. The call comes in, “Hey Joe, looks like the 48 volt router on our Signal Hill site has locked up, get in the truck and get up there and do the reset.” Joe responds, “I ain’t doing it, last time it took me 4 hours driving through the snow …

“Negative” 48 Volt Power: What, Why and How

Configuration Defined Telecom and wireless networks typically operate on 48 volt DC power. But unlike traditional 12 and 24 volt systems which have the minus (-) side of the battery connected to ground (i.e. called negative ground systems), telecom batteries have the plus (+) side of the battery connected to ground, called a positive ground system, also designated as “negative …