Description
1. Product Title
Foxboro RH102AN (X440‑G2‑24fx‑GE4)‑ Industrial Managed Fiber Ethernet Switch for I/A‑Series DCS Network
2. Product Overview
RH102AN (X440‑G2‑24fx‑GE4) is a ruggedized Layer2/3 managed industrial switch re‑branded by Foxboro (Schneider‑Electric), based on Extreme Networks X440‑G2 hardware platform, used as core network device for Foxboro I/A‑Series DCS control network. It adopts multi‑mode 100Base‑FX LC fiber ports for long‑distance, high‑EMI‑resistance interconnection between controllers, workstations and remote Compact200 I/O racks. Running ExtremeXOS operating system, it supports ring redundancy, stacking, VLAN, rapid spanning‑tree and industrial security functions. It supports dual redundant hot‑swap power supplies to eliminate single‑point network failure. Widely deployed in petrochemical, chemical and power‑plant DCS control rooms, used as spare replacement for existing running control system backbone network equipment.
3. Technical Specifications
- Brand: Foxboro (Schneider Electric / Extreme Networks)
- Model: RH102AN, commercial model X440‑G2‑24fx‑GE4
- Warranty: One Year
- Condition: 100% New & Original
- Port Configuration:
- 24 × 100Base‑FX multi‑mode fiber ports (LC connector)
- 4 × 1G Base‑X SFP uplink expansion slots
- Switch Capacity: 12.8 Gbps switching capacity, 9.5 Mpps forwarding rate
- OS: ExtremeXOS; supports CLI, Web‑UI management
- Network Features: Stackable (max 8 units), RSTP, VLAN, static routing, ACL security control
- Power: 100‑240VAC input, supports dual redundant hot‑swap power modules
- Cooling: Hot‑swappable fan modules
- Operating Temperature: ‑40 °C ~ +70 °C
- Humidity: 5‑95 % RH non‑condensing
- Mounting: 19‑inch 1U standard rack‑mount
- Dimension: 440 mm × 44 mm × 220 mm; Weight approx 3.93 kg
- Compatibility: Foxboro I/A‑Series DCS control network backbone
- Compliance: CE, UL‑cUL certified

5. Application Scenarios
- Chemical Plant DCS Control Room: Backbone fiber‑switch interconnecting DCS controllers, operator stations and remote Compact200 I/O racks, resisting heavy field electromagnetic interference.
- Petroleum Refinery Automation System: Redundant control‑network core switch for fractionation‑unit DCS system, realizing long‑distance fiber transmission between control‑room and field I/O cabinets.
- Combined‑Cycle Power‑Generation Facility: Industrial network equipment for turbine‑boiler DCS system, guaranteeing stable real‑time data exchange for critical control loops.
Foxboro hardware summary update:
- FBM201(P0914SQ) ↔ RH916XG
- FBM204(P0914SY) ↔ RH916XK
- FBM207(P0914TD) / FBM207B(P0914WH) / FBM207C(P0917GY) ↔ RH916XL
- FBM208(P0914WM) ↔ RH916XT
- Baseplate power supply:P0970WU
- Operator keyboard:P0903CW
- DCS fiber network switch:RH102AN (X440‑G2‑24fx‑GE4)







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