The AKCP sensorProbe2+ Basic (SP2+B) is a 0U rack-mountable, network-connected environmental monitoring controller built for server rooms, data centers, network closets, and telecom enclosures. Its four RJ45 sensor ports accept the full range of AKCP autosense sensors - temperature, humidity, water leak detection, thermal maps, smoke detectors, door contacts, and more - making it one of the most capable compact monitoring units available at this price point. Important - active vs. locked ports: The SP2+B ships with 2 of its 4 sensor ports active. The remaining 2 ports are physically present on the unit but locked in firmware. They unlock permanently with a one-time license upgrade (available separately or pre-installed on the SP2+PRO). If you need all 4 ports active from day one, or need a dedicated Modbus RS485 or AKCP expansion port, see the SP2+ Pro. Each sensor port also supports dry contact I/O - up to 20 total across all ports - giving the SP2+B substantial alarm integration capacity for monitoring third-party equipment like generators, UPS units, PDUs, and HVAC systems. An internal buzzer triggers an audible alert on-device when any threshold is crossed, providing a local warning that does not depend on network connectivity. Power options Standard (PSU) models include a 5.5VDC 3A power supply in the box. PoE models draw power from your existing PoE switch (IEEE 802.3af) - no adapter is included or required. Both types support dual-input power redundancy via optional external DC-DC conversion boxes, accepting 12–24VDC or 48–60VDC - useful in telecom enclosures with cabinet-based DC power or data centers with dual PDUs. No software required Access your sensorProbe2+ from any web browser - real-time sensor dashboard, configurable thresholds, alert rules, event log, and trend graphs are all built in. For centralized management of multiple AKCP devices with advanced visualization and analytics, add Quicklime Sensor Monitoring Software. Ready to grow The SP2+B is designed to expand with your needs. The Pro license is available as a software upgrade - all Pro features activate on your existing device with no hardware swap. Add virtual sensors, Modbus integration, IPv6, SNMP v3, VPN, and RADIUS without replacing any hardware - the Pro license activates all of these in firmware. See the comparison table below, or visit our Basic vs. Professional Comparison Chart for the full breakdown. Feature Basic (SP1+B) Pro (SP1+PRO) Event Log ✓ ✓ Notifications (Email, SNMP, SMS) ✓ ✓ MQTTS ✓ ✓ Sensor Graphs ✓ ✓ HTTPS ✓ ✓ SNMP v1/v2 ✓ ✓ Virtual Sensors — 5 included (up to 80) Maps — ✓ 3rd Party Modbus — ✓ IPv6 — ✓ SNMP v3 — ✓ VPN — ✓ Access Control Users — Up to 500 RADIUS / TACACS — ✓ Heartbeats — ✓ Cloud Integration — ✓ Advanced Authentication — ✓ What's in the Box SP2+B (PSU model): • sensorProbe2+ unit with 4 RJ45 sensor ports • 5.5VDC 3A power supply (100–240V input) • Mounting hardware (compatible with AKCP DIN rail clips; 0U rack-mountable) • 2 ports active, 2 ports locked in firmware (can be unlocked with an unlock license) SP2+B-POE (PoE model): • sensorProbe2+ unit with 4 RJ45 sensor ports • Mounting hardware • No power adapter - unit is powered via your PoE switch (IEEE 802.3af) • 2 ports active, 2 locked (can be unlocked with an unlock license) Order Options SKU Power Manufacturer Part # (MPN) GC-AK-SP2-PLUS-B Power Supply SP2+B GC-AK-SP2-PLUS-B-POE POE SP2+B-POE
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