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Engineered Accessories for
Mission-Critical Environments
Engineered Accessories for
Mission-Critical Environments
Enhance performance, connectivity, and usability
with our versatile accessory lineup.
Engineered Accessories for
Mission-Critical Environments
Engineered Accessories for Mission-Critical Environments
Enhance performance, connectivity, and usability with our versatile accessory lineup.


CRD880-M12 — Rugged Tablet Accessories & Replacement Parts — Rugged Tablets, Vehicle MDTs & Industrial Computing | TOPICON

CRD880-M12
CRD880-M12
CRD880-M12
Removable cradle with lockable M12 Ethernet for MDT880
CRD880-M12 vehicle dock for MDT880 rugged tablet. Threaded M12 Ethernet replaces RJ45 for high-vibration fleets. TYPE-A adds RS232/RS485, GPIO; DC12-32V.
DOCKING STATION

CRD880-M12 Vehicle Docking Station for MDT880

Vehicle docking station for the MDT880 8-inch 5G rugged tablet with threaded M12 Ethernet. Replaces the standard RJ45 jack with a lockable M12 industrial connector for deployments where vibration, moisture, or washdown conditions would loosen a conventional Ethernet plug. Combines serial communication, USB OTG expansion, GPIO control, and stable vehicle power in a single secured cradle.

The CRD880-M12 is available with two cable configurations — TYPE-A (full features) and TYPE-B (basic features) — that differ in serial channel count and GPIO capability. Both share the same physical dock, the same pogo-pin tablet interface, and the same M12 Ethernet architecture. The difference is in the cable harness.

TYPE-A · FULL FEATURES

CRD880-M12 Cradle with Full Features Cable (TYPE-A)

Provides a dedicated RS232 channel connected to the tablet CPU, a second configurable RS232/RS485 channel over USB, and four GPIO lines for sensor and relay control. Suitable for deployments that require simultaneous serial peripherals, GPIO-based automation, and lockable M12 Ethernet connectivity in high-vibration environments.

CRD880-M12 TYPE-A full features cable wiring diagram showing VCC/IGN DC12-32V, 2x USB-A OTG, 1x USB-C charge, 1x M12 Ethernet, 1x RS232 CPU, 1x RS232/RS485 USB, 4x GPIO

Interface Summary

VCC / IGN
DC12–32V input
USB-A (OTG)
Peripheral devices
USB-C (Charge)
Auxiliary charging
M12 (Ethernet)
Threaded lockable
RS232 (CPU)
Dedicated serial
RS232/RS485 (USB)
Configurable dual-mode
GPIO
2× Input · 1× Output · 1× ADC
TYPE-B · BASIC FEATURES

CRD880-M12 Cradle with Basic Features Cable (TYPE-B)

Provides a single RS232 serial channel, lockable M12 Ethernet, and USB OTG expansion without GPIO. Suitable for deployments where the tablet is used primarily for vehicle power, rugged wired networking, and one serial peripheral — such as a receipt printer, weighbridge interface, or diagnostics dongle — in environments where a standard RJ45 plug would not survive.

CRD880-M12 TYPE-B basic features cable wiring diagram showing VCC/IGN DC12-32V, 1x M12 Ethernet, 1x RS232, 2x USB-A OTG, 1x USB-C charge

Interface Summary

VCC / IGN
DC12–32V input
M12 (Ethernet)
Threaded lockable
RS232
Serial peripheral
USB-A (OTG)
Peripheral devices
USB-C (Charge)
Auxiliary charging
M12 ETHERNET

Why M12 Instead of RJ45

A standard RJ45 connector relies on a plastic retention clip that releases under sustained vibration, allowing the plug to work loose from the socket. In vehicles with high chassis vibration — mining haul trucks, agricultural machinery, construction equipment — an RJ45 Ethernet link can drop intermittently, interrupting vehicle network traffic. The M12 connector uses a threaded coupling that mechanically locks the plug to the socket, maintaining contact through vibration, moisture, and washdown conditions.

Deployment Scenarios for M12 Ethernet

Mining & Heavy Machinery

Continuous vibration and dust exposure that would loosen or contaminate a standard RJ45 connector.

Agricultural Equipment

Field washdown and chemical spray environments where IP-rated connections are required.

Outdoor Fleet Vehicles

Extended exposure to rain, road spray, and temperature cycling — where moisture ingress damages RJ45 contacts.

CRD880 Family Comparison

InterfaceM12 TYPE-BM12 TYPE-ACRD880-CAN
VCC / IGN InputDC12–32VDC12–32VDC12–32V
Ethernet Connector1× M12 (threaded)1× M12 (threaded)1× RJ45
USB-A (OTG)
USB-C (Charge)
RS232 (CPU)
RS232/RS485 (USB)1× (dual-mode)1× (dual-mode)
GPIO4× (2 In / 1 Out / 1 ADC)5× (3 In / 1 Out / 1 ADC)
CAN Bus2× (J1939)

When to Choose CRD880-M12

Select CRD880-M12 when your deployment requires a lockable Ethernet connection that will not loosen under vibration or moisture exposure — mining haul trucks, agricultural machinery, washdown environments, and outdoor fleet vehicles. It is the appropriate choice when the tablet must maintain a reliable wired network link to vehicle systems over months of continuous operation. For controlled-cab deployments where standard RJ45 retention is sufficient, the CRD880 with RJ45 offers the same interface set at lower cost. For deployments requiring hardware-level CAN Bus vehicle integration, the CRD880-CAN adds dual J1939 channels.

OPTIONAL ACCESSORY

EXT-USB-CAN-01 — USB to CAN Bus Adapter Cable

EXT-USB-CAN-01 USB to CAN Bus adapter cable for MDT880 docking stations with USB-A OTG port

Adds CAN Bus capability to any MDT880 docking station equipped with a USB-A OTG port. One adapter cable supports up to 2 CAN Bus channels, enabling hardware-level vehicle network access without replacing the existing cradle — ideal for retrofit deployments, pilot fleets, or vehicles that require CAN data only in specific configurations.

Key Specifications

Adapter Cable
Field-installable
CAN Bus Channels
J1939-compatible
USB-A
OTG Host Port
Dock cable connection
Part Number
EXT-USB-CAN-01

Note: Connects to the dock cable's USB-A OTG port and presents a CAN Bus interface to the Android OS through the standard SocketCAN driver stack. CAN Bus termination and baud rate configuration are handled at the software level.

Explore EXT-USB-CAN-01 →
Wiring notice

Wiring examples shown — not all configurations. Pin-out details, cable lengths, M12 connector coding (A-code / D-code), and cable part numbers may vary by production batch. For the full datasheet with dimensioned drawings and M12 termination specifications, contact our engineering team.

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    Hardware built around your project with long-term support.