Product Details
The Foxboro P0973KJ, also cataloged as the P0973KJ Managed Ethernet Switch, operates as a dedicated hardware component for Layer-2 packet switching and network uplink management within Foxboro I/A Series control networks. The unit processes high-density data traffic via 24 Gigabit SFP ports and dual 10 Gb SFP+ uplink channels, delivering deterministic packet routing for industrial automation nodes without firmware intervention.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | P0973KJ |
| Brand | Foxboro |
| Origin | Standard Manufacturing Facility |
| Weight | Approx. 2.2 kg |
| Dimensions | Standard 1U Rack-Mountable Enclosure |
| Operating Temp | 0 deg C to 50 deg C (32 deg F to 122 deg F) |
| Power Consumption | 35 W max |
| Ports | 24 x 1000Base-X Gigabit SFP ports |
| Uplink Ports | 2 x SFP+ ports (10 Gb capable) |
| Supported Modules | Mini-GBIC uplink modules (e.g., P0973JE for 100Base-FX) |
| Relative Humidity | 5 to 95% non-condensing |
Process DCS Integration and Channel-to-Channel Isolation
When integrated into Foxboro distributed control architectures, the switch provides deterministic backbone connectivity for node clusters supporting 4-20 mA HART loop protocol data aggregators and FOUNDATION Fieldbus field gateways. Internal circuitry implements strict channel-to-channel isolation and galvanic separation across management interfaces to suppress ground loops and electromagnetic interference from heavy industrial power supplies.
Frequently Asked Questions
Q: What is the hot-swap capability of the SFP and SFP+ transceiver modules on the P0973KJ?
A: All SFP and SFP+ transceiver slots support live insertion and removal (hot-swapping) without requiring a system reboot or disrupting Layer-2 switching operations on active copper and fiber links.
Q: How does the switch handle redundant power supply inputs or backplane current loads?
A: The unit accepts dual redundant DC power feeds to ensure uninterrupted operation during power rail failure. Current draw scales dynamically based on loaded SFP modules, maintaining a stable thermal profile within the 50 deg C ambient limit.
Field Installation Guidelines
- Mount the unit within a standard 19-inch industrial control cabinet, ensuring a minimum clearance of 1U above and below the chassis for optimal convective airflow and heat dissipation.
- Terminate all Shielded Twisted Pair (STP) cable shields directly to the cabinet ground bar using low-impedance 360-degree conductive clamps.
- Ensure fiber optic patch cables maintain a bend radius exceeding 30 mm to prevent micro-bend attenuation on 1000Base-X and 10 Gb links.
- Verify supply voltage matches nominal operational limits prior to energizing the primary and secondary DC power terminals.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.






























