ESW
Locomotive Ethernet Switch
The ESW is a fully featured managed Layer 2 Ethernet switch for any locomotive LDARS or on-board business network application
Insight into ESW Technology
The ESW employs a versatile communications architecture that incorporates two fully featured and manageable Ethernet switches with advanced QOS, VLAN, and port isolation features. In its simplest port expansion application, the ESW functions as a basic 10-port switch where any port can be used to expand to all others utilizing the AAR 8-pin M12 standard connector. However, the ESW is structured with network versatility, PoE, and sensor bridging applications in mind:
- 8 x 10/100/1000 Ethernet
- 2 x 10/100 Legacy Ethernet
- 1 x RS-422/485 Synchronous/Asynchronous
- 1 x RS-422 PWM Input
- 4 x 150V/4-20mA Isolated Analog Inputs
- 6 x 74V Digital Isolated Inputs
- 15V @ 200mA isolated power output
- 2 x Power Over Ethernet PSE Class 0
Your Network at Your Fingertips
As a simple managed Ethernet Switch, the CRM ESW resides at LDARS 10.255.255.253 where the ESW can be configured and where the customer can query the ESW for port connectivity metrics for example.
The ESW is part of the CRM Enabling Technologies suite of products whose focus is to allow customers to leverage their own networks and data mining infrastructure to connect to on-board sensors. The ESW is designed as a cost-competitive and space-sensitive approach to address the increasingly common issue of adding sensors to locomotives and bridging the sensor data to the on-board network.
The ESW conveniently normalizes digital, analog, and serial sensor telemetry to the Ethernet network, where sensor data can be readily consumed by predictive maintenance algorithms, for example. The ESW supports license-free Class C broadcast of all raw sensor telemetry, and also supports AAR ITCSM.
Precision Navigation Module
CRM’s equipment portfolio includes the ESW, the Ethernet Switch. The ESW is a fully featured managed Layer 2 Ethernet switch for any locomotive LDARS or on-board business network application. In addition, the CRM ESW supports a wide range of optional features including a standalone acoustic fuel sensor interface and user-definable analog and digital inputs to enable custom analytics. These features are available in a compact wall-mount or LSI-rack 2U enclosure.
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