3-FIBMB2 | Edwards Fiber Optic Interface Card, Multi-Mode/Single-Mode, Class A/B/X

Edwards · Industrial Automation & Electrical

Description  The Edwards 3-FIBMB2 (part number 3-FIBMB2) is a fiber optic communications interface card for EST3 fire alarm and emergency communication systems. It enables copper-to-fiber or fiber-to-fiber conversions, supporting both single-mode and multi-mode fiber optic networks for data and audio transmission. The 3-FIBMB2 allows up to four fiber transceivers and ensures Class B, Class A, or Class X supervised circuits for robust system integration.     Technical Specifications  Condition New/Never Used Surplus Brand Edwards Category Computer Part Number 3-FIBMB2 Subcategory Communication Card Operating Voltage 24 VDC Supported Media Copper, single-mode fiber, multi-mode fiber Transceiver Support 1–4 modules (SMXLO, SMXLO2, SMXHI, SMXHI2, MMXVR) Fiber Connectors Duplex SC (SMX series), ST (MMXVR) Fiber Budget (Examples) SMXLO/SMXLO2: 15 dBm, SMXHI/SMXHI2: 25 dBm, MMXVR: 10 dBm Network Data Circuit Class B, Class A, or Class X Data Rate (Network) 19.2Kbps, 38.4Kbps Data Rate (Audio) 327Kbps Copper Network Length 5,000 ft (1,524 m) max between three panels Copper Circuit Resistance 90 Ω max Copper Circuit Capacitance 0.3 µF (data), 0.09 µF (audio) Wire Type (Copper) Twisted pair, 18 AWG (0.75 mm²) minimum Current Rating 105 mA + 79 mA per SMXLO/SMXLO2/SMXHI/SMXHI2, +20 mA per MMXVR Compatible CPUs 3-CPU1 and later Operating Temperature 32°F to 120°F (0°C to 49°C) Relative Humidity 0–93% non-condensing Mounting ½ footprint in 3-CHAS7 chassis or 3-CAB5 enclosure Weight 1.00 lbs     Information About 3-FIBMB2 The 3-FIBMB2 is a plug-in module for 3-CPU processors, designed to extend EST3 networking capabilities through fiber optic connectivity. It supports one to four single-mode or multi-mode transceivers, each enabling transmission and reception of digitized audio and network data between nodes. With compatibility for duplex SC and ST connectors, the module offers flexible installation options depending on the transceiver type. The 3-FIBMB2 can also support copper connections, allowing hybrid network configurations across large-scale life safety systems. Its built-in constant output test signal simplifies installation and troubleshooting of multi-mode fiber circuits, while redundant power options ensure communication continuity even during servicing.  Key Features: Fiber Optic Interface: Supports single-mode and multi-mode fiber network connectivity. Hybrid Networking: Allows copper-to-fiber and fiber-to-fiber communication format transitions. Multi-Transceiver Support: Accommodates up to four fiber optic transceivers. Class A/B/X Circuits: All circuits configurable as supervised Class B, Class A, or Class X. High-Speed Data Transfer: Supports network data at 19.2K/38.4Kbps and digitized audio at 327Kbps. Extended Network Range: Up to 5,000 ft (1,524 m) with copper, longer with fiber optic media. Test Signal Feature: Built-in constant test signal simplifies installation and verification of multi-mode fiber. Fail-Safe Operation: Secondary 24 VDC power input maintains communications during servicing. Wide Compatibility: Works with EST3 CPUs (3-CPU1 and later). Environmental Tolerance: Operates from 32°F to 120°F (0°C to 49°C) and 0–93% humidity. The 3-FIBMB2 delivers the performance and adaptability required for reliable EST3 fiber optic network communications.

Brand: Edwards · Category: Industrial Automation & Electrical

Key features

• Fiber Optic Interface: Supports single-mode and multi-mode fiber network connectivity.
• Hybrid Networking: Allows copper-to-fiber and fiber-to-fiber communication format transitions.
• Multi-Transceiver Support: Accommodates up to four fiber optic transceivers.
• Class A/B/X Circuits: All circuits configurable as supervised Class B, Class A, or Class X.
• High-Speed Data Transfer: Supports network data at 19.2K/38.4Kbps and digitized audio at 327Kbps.
• Extended Network Range: Up to 5,000 ft (1,524 m) with copper, longer with fiber optic media.
• Test Signal Feature: Built-in constant test signal simplifies installation and verification of multi-mode fiber.
• Fail-Safe Operation: Secondary 24 VDC power input maintains communications during servicing.
• Wide Compatibility: Works with EST3 CPUs (3-CPU1 and later).
• Environmental Tolerance: Operates from 32°F to 120°F (0°C to 49°C) and 0–93% humidity.

Specifications

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