Comprehensive Product Summary – ORing TPS‑3882GT‑M12‑BP1‑24V Industrial Managed Ethernet Switch

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### 1. Product Overview

Product Name: TPS‑3882GT‑M12‑BP1‑24V
Model: TPS‑3882GT‑M12‑BP1‑24V
Series: TPS‑3882GT‑M12‑BP1 Series
Article Number: TPS‑3882GT‑M12‑BP1‑24V
Manufacturer: ORing Industrial Networking Corp., Taiwan
Website: [www.oring-networking.com](http://www.oring-networking.com)
Contact: support@oring-networking.com | sales@oring-networking.com

Product Type: Industrial Managed Ethernet Switch with PoE and Bypass Function
Intended Applications: Railway, rolling stock, vehicle, and other mission‑critical industrial environments requiring EN50155‑compliant networking hardware.

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### 2. Key Features

- Industrial‑grade Managed Switch: Designed for harsh environments with EN50155 railway compliance and IP‑40 metal enclosure.
- High Port Density: 16 × 10/100Base‑T(X) Fast Ethernet ports (8 with PoE P.S.E. capability) and 2 × 10/100/1000Base‑T(X) Gigabit Ethernet ports.
- PoE P.S.E. Functionality: Eight IEEE 802.3af‑compliant ports providing up to 15.4 W per port, total PoE budget up to 120 W.
- Bypass Function: Two Gigabit ports with hardware bypass to maintain network continuity during power loss or device failure.
- Redundant Power Inputs: Dual DC inputs via M23 5‑pin connector (24 VDC nominal, 12–57 VDC range).
- Advanced Redundancy Protocols: Supports ORing proprietary O‑Ring (<10 ms recovery), O‑Chain, Open‑Ring, MRP (IEC 62439), and standard STP/RSTP/MSTP.
- Comprehensive Management: Web GUI, Telnet, CLI (RS‑232 console), SNMP v1/v2c/v3, Modbus TCP, and ORing Open‑Vision centralized management utility.
- Security & Control: 802.1x authentication, IP/MAC security, port security, VLAN segregation, SNMPv3 encryption, and access control lists.
- Environmental Robustness: Operating temperature −40 °C to +70 °C, vibration/shock‑resistant M12 connectors, and 5 %–95 % non‑condensing humidity tolerance.
- Diagnostics & Alerts: Fault relay output (3 A @ 24 VDC), SYSLOG, SNMP traps, and SMTP e‑mail notifications.
- Compliance: EN50155, EN50121‑3‑2, EN60950‑1, FCC Part 15 Class A, CISPR 22 Class A, IEC 60068‑2‑6/‑27/‑32.
- Warranty: 5 years standard manufacturer warranty.

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### 3. Technical Specifications

| Category | Specification |
|---------------|------------------|
| Ethernet Ports | 16 × 10/100Base‑T(X) (8 × PoE P.S.E.), 2 × 10/100/1000Base‑T(X) |
| Connectors | M12 D‑coding (Fast Ethernet), M12 A‑coding (Gigabit Ethernet), M23 5‑pin (Power), M12 A‑coding (Relay Output & Console) |
| Console Port | RS‑232 (M12 A‑coding), 9600 bps, 8 data bits, no parity, 1 stop bit |
| PoE Standard | IEEE 802.3af P.S.E., 15.4 W per port (max 120 W total) |
| Switching Capacity | 7.2 Gbps non‑blocking |
| Switching Latency | 7 µs (store‑and‑forward architecture) |
| MAC Address Table | 8192 entries |
| VLANs | 4096 IEEE 802.1Q VLANs, Q‑in‑Q supported |
| Priority Queues | 4 hardware queues (802.1p QoS) |
| Processing | Store‑and‑Forward with wire‑speed filtering |
| Power Input | Dual DC inputs 24 VDC nominal (12–57 VDC range) via M23 connector |
| Power Consumption | 8.88 W (24 V model, without PoE load) |
| PoE Output Power | 60 W @ 12–24 VDC / 120 W @ 24–57 VDC |
| Protection | Overload current and reverse polarity protection |
| Enclosure | IP‑40 metal housing |
| Dimensions (W×D×H) | 260 × 91.3 × 216 mm (10.24 × 3.59 × 8.5 in.) |
| Weight | ≈ 2140 g (24 V model) |
| Mounting | Wall mount kit included / DIN‑rail optional |
| Operating Temperature | −40 °C to +70 °C |
| Storage Temperature | −40 °C to +85 °C |
| Humidity | 5 % to 95 % non‑condensing |
| Shock/Vibration | IEC 60068‑2‑27 / ‑6 / ‑32 compliant |
| Safety | EN 60950‑1 |
| EMI/EMS | FCC Part 15 Class A, EN 55022 Class A, EN 61000‑4‑2/‑3/‑4/‑5/‑6/‑8/‑11 |
| Railway Standard | EN 50155 (EN 50121‑3‑2, EN 50121‑4, EN 55011) |
| Warranty | 5 years limited hardware warranty |

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### 4. Functionality

Operational Concept:
The TPS‑3882GT‑M12‑BP1‑24V acts as a managed Layer 2 Ethernet switch providing both data and power transmission over M12‑terminated copper links. It integrates PoE P.S.E. modules to power IEEE 802.3af‑compliant devices such as IP cameras, wireless access points, or VoIP phones. The two Gigabit M12 ports include a hardware bypass circuit that automatically bridges traffic during power loss, ensuring uninterrupted communication in daisy‑chain or ring topologies.

Use Cases & Applications:
- Railway and rolling‑stock onboard networks (EN50155 certified).
- Industrial automation and SCADA systems.
- IP surveillance and transportation monitoring.
- Vehicle and mining communication networks.
- Redundant backbone or edge aggregation in harsh environments.

Compatibility:
Interoperable with standard Ethernet devices (IEEE 802.3/802.3u/802.3ab). Supports ORing’s Open‑Vision management suite and third‑party SNMP tools. Compatible with Modbus TCP SCADA systems.

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### 5. Components & Accessories

Included Items:
- TPS‑3882GT‑M12‑BP1‑24V switch unit
- Wall‑mount kit with screws
- Quick Installation Guide and User Manual
- Product CD or download link for Open‑Vision utility

Connectors & Interfaces:
- M12 D‑coding (4‑pin): Fast Ethernet and PoE ports (P1–P16)
- M12 A‑coding (8‑pin): Gigabit Ethernet ports (G1–G2)
- M23 5‑pin female: Dual DC power input (V1+/V1−, V2+/V2−, FG)
- M12 A‑coding 5‑pin male: Relay output (3 A @ 24 VDC)
- M12 A‑coding 5‑pin: RS‑232 console port

Optional Accessories:
- DIN‑rail mounting bracket
- M12 Ethernet cables (D‑coding and A‑coding)
- M23 power cables
- Open‑Vision network management software license

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### 6. Installation & Setup

Mounting Options:
- Wall Mount: Use the keyhole apertures on the rear panel; secure with four screws (leave ≈ 2 mm gap for sliding).
- DIN‑Rail (optional): Attach DIN bracket to rear panel for cabinet installation.

Power Connection:
- Connect dual redundant DC inputs to M23 connector (V1+/V1− and V2+/V2−).
- Tighten outer ring to ensure vibration‑proof connection.
- Ground the unit to earth before powering on.

Network Cabling:
- Use CAT 5/5e UTP (100 Ω) for 100/1000 Mbps links up to 100 m.
- M12 D‑coding for Fast Ethernet (4‑pin), A‑coding for Gigabit (8‑pin).
- PoE pins 1–4 carry data and power per IEEE 802.3af.

Console Access:
- RS‑232 (M12 A‑coding) 9600 bps, 8‑N‑1 for CLI configuration.
- Default IP 192.168.10.1 / mask 255.255.255.0 / gateway 192.168.10.254.
- Default credentials: admin / admin.

Configuration Interfaces:
- Web browser (HTTP)
- Telnet session
- Serial CLI console
- SNMP manager or Open‑Vision utility

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### 7. Performance & Capabilities

Switching Performance:
- Non‑blocking 7.2 Gbps fabric ensures wire‑speed forwarding on all ports.
- Store‑and‑forward architecture with 7 µs latency for 100 Mbps frames.
- 8192 MAC addresses and 1024 multicast groups supported.

PoE Performance:
- 8 × P.S.E. ports (15.4 W each).
- Intelligent power management with port priority (Critical/High/Low).
- Ping Alive Check and PoE Scheduling for remote device control.

Redundancy & Recovery:
- O‑Ring recovery < 10 ms (250 nodes).
- O‑Chain multi‑ring expansion and Open‑Ring interoperability.
- MRP (IEC 62439) recovery ≤ 80 ms (50 devices).
- STP/RSTP/MSTP for standard redundant topologies.
- Hardware Bypass on Gigabit ports maintains link during power loss.

Quality of Service (QoS):
- 802.1p CoS and ToS/DSCP prioritization.
- Weighted Fair Queue (8:4:2:1) or Strict Priority scheduling.
- Port‑based and VLAN‑based priority assignment.

Security Features:
- 802.1x port‑based authentication with RADIUS server support.
- IP security filtering for management access (HTTP/Telnet/SNMP).
- MAC blacklist and static MAC binding.
- DHCP snooping and relay agent with Option 82.
- SNMP v3 authentication and encryption.

Management & Diagnostics:
- Web GUI with real‑time port status and statistics.
- CLI command set for system, port, VLAN, QoS, SNMP, and redundancy control.
- SYSLOG and SMTP event notification.
- SNTP/PTP time synchronization.
- Backup & Restore via TFTP or local file.
- Firmware upgrade through TFTP or Web interface.

Limitations:
- PoE output limited to 120 W total budget.
- Copper link length ≤ 100 m per IEEE 802.3 standard.
- Bypass distance between active switches must not exceed 100 m.

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### 8. Standards & Compliance

Ethernet Protocols:
IEEE 802.3 (10Base‑T), 802.3u (100Base‑TX), 802.3ab (1000Base‑T), 802.3x (Flow Control), 802.3ad (LACP), 802.1D (STP), 802.1w (RSTP), 802.1s (MSTP), 802.1Q (VLAN Tagging), 802.1p (CoS), 802.1x (Authentication), 802.1AB (LLDP), 802.3af (PoE).

Environmental & Safety Compliance:
- EN 50155: Railway electronic equipment standard (temperature, shock, vibration, EMC).
- EN 50121‑3‑2 / EN 50121‑4: Railway EMC requirements.
- EN 60950‑1: Electrical safety for IT equipment.
- IEC 60068‑2‑6/‑27/‑32: Vibration, shock, and free‑fall tests.
- EN 61000‑4‑2 to ‑11: ESD, RS, EFT, Surge, CS, magnetic field, and voltage dip immunity.
- FCC Part 15 Class A / CISPR 22 Class A: EMI emission standards.

Quality Assurance:
Manufactured under ISO 9001 quality management system with full functional testing and burn‑in validation.

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### 9. Additional Information

Warranty & Support:
- Standard 5‑year limited hardware warranty covering defects in materials and workmanship.
- Technical support via e‑mail and phone from ORing Industrial Networking Corp.
- Firmware updates and Open‑Vision software available from manufacturer website.

Maintenance & Service:
- Periodic inspection of M12 connectors for tightness and corrosion.
- Keep ventilation clear to maintain ambient temperature within −40 °C to +70 °C.
- Use only qualified personnel for firmware upgrades and electrical connections.

Firmware & Configuration Management:
- Backup and restore via TFTP or local PC.
- Auto‑Provision feature for firmware update on boot.
- Configuration save required after changes to retain settings after reboot.

LED Indicators Summary:
- PWR1/PWR2 (Green): Power input status.
- R.M. (Green): Ring Master mode active.
- Ring (Green): O‑Ring topology active.
- Fault (Amber): Power failure or port link down.
- LNK/ACT (Green): Port link and activity.
- PoE (Green): Port supplying power.
- DPX/COL (Amber): Duplex or collision status.
- 100M (Amber): 100 Mbps speed indicator on Gigabit ports.

Reset & Recovery:
- Press Reset 2–3 s to reboot; hold 5 s to restore factory defaults.
- Factory default IP 192.168.10.1 / admin credentials.

Safety Notes:
- Ensure proper grounding to avoid ESD damage.
- Disconnect power before wiring or maintenance.
- Maintain adequate airflow and avoid mechanical stress on connectors.

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### Summary

The ORing TPS‑3882GT‑M12‑BP1‑24V is a rugged, fully managed industrial Ethernet switch engineered for railway and transportation networks requiring high reliability, redundant connectivity, and integrated PoE power delivery. With 18 M12 connectors, dual DC inputs, and a hardware bypass mechanism, it ensures continuous network operation even under power loss or vibration. Its comprehensive management suite—covering web, CLI, SNMP, and Modbus TCP—combined with advanced redundancy (O‑Ring, O‑Chain, MRP, STP/RSTP/MSTP) and security (802.1x, SNMPv3, IP/MAC filters) makes it ideal for mission‑critical industrial automation and railway communication systems.

Built to EN50155 standards, the switch withstands extreme temperature, shock, and vibration while maintaining stable performance. The 5‑year warranty and ORing’s global support ensure long‑term reliability and lifecycle maintenance for demanding industrial deployments.