Do the two units deliver identical power capacity and outlet configuration?

Yes — both the UPX-OL1500R-2 and UPX-RLNK-OL1500R-2 are rated identically at 1500VA and 1350W, with 8 NEMA 5-15R receptacles organized in bank-controlled groups. Both draw from a NEMA 5-15P plug on a 6 ft (1.8 m) cord and output 110–127 VAC at up to 15A. The online (double-conversion) topology is shared, meaning both continuously regenerate clean sine-wave output and provide zero-transfer-time switchover — no spec difference exists in raw power delivery between these two models.

How do the two models differ in remote monitoring and outlet management capability?

This is the primary functional distinction. The UPX-RLNK-OL1500R-2 carries the 'RLNK' designation in its SKU and model name, indicating the inclusion of Middle Atlantic's RLinkX remote power management card. This enables network-based monitoring, outlet-level switching, and remote reboot — critical for unmanned rack deployments. The base UPX-OL1500R-2 does not carry this designation; the provided specs do not list any network management interface for it. Buyers requiring remote visibility into UPS status, load metrics, or individual outlet control should note this distinction, as the RLNK variant provides that capability per its SKU designation.

Neither product lists TAA compliance. Both share identical certifications: cTUVus safety listing, Energy Star 2.0, and FCC REACH. The RLNK model additionally lists RoHS (noted as 'Patents' in the spec field), while the base model does not list RoHS at all in the provided data.

Are there any physical or environmental differences that affect rack installation planning?

Physical dimensions are identical: 19 in W × 16 in D × 3.5 in H (48.3 × 40.6 × 8.9 cm), 4 mounting points, fitting a standard 19-inch 2U rack bay. Minimum rack depth required is 22 in, maximum 34 in (86.4 cm). Both units weigh 44.7 lbs (20.3 kg) and operate within the same thermal envelope of 32°–104°F (0°–40°C). The only measurable physical difference is shipping weight: the RLNK model ships at 51.85 lbs (23.5 kg) versus 51.68 lbs (23.4 kg) for the base unit — a 0.17 lb delta consistent with the added network card hardware. No differences in mounting hardware, cord, plug, or receptacle type are specified.

Which should you choose: the OL1500R-2 or the OL1500R-2?

Our take: The UPX-RLNK-OL1500R-2 is the stronger choice when network-based remote management of UPS status and individual outlet control is required. Both units are electrically and physically identical — 1500VA/1350W, online double-conversion, 8 NEMA 5-15R bank-controlled outlets, 19-in 2U chassis, and a shared 32°–104°F operating range. The RLNK variant's network card (indicated by its SKU designation) adds remote monitoring and outlet-switching capability absent from the base UPX-OL1500R-2. The shipping weight difference of 0.17 lbs (51.85 vs. 51.68 lbs) and the RLNK model's listed RoHS notation are the only other spec-level distinctions. For unmanned equipment rooms, distributed AV/security racks, or any deployment where IT staff need remote reboot and load visibility, the RLNK model is the appropriate selection. For cost-sensitive local-only managed installations where a technician is on-site, the base OL1500R-2 delivers identical power protection.

Side-by-Side Comparison

Spec-for-spec, from manufacturer data.

Frequently Asked Questions

Related Resources

• Middle Atlantic OL1500R-2 product page — full specs and to add to a quote
• Middle Atlantic OL1500R-2 product page — full specs and to add to a quote