Buy JRC JLR-21: antenna unit, display, date and service information
Catalogue illustration of the JRC antenna part. The exact model of the sensor, display and cables of a specific delivery are verified by marking and specification.
Request the price and kit of JRC JLR-21When buying a JLR-21 to replace an existing node, it’s important to determine what part of the system is needed. Antenna sensor, display and cables should not be combined into the indefinite word “compass”. Start the application with the markings of the saved parts, the desired result and service details.
Record the composition of the installed node
Send photos of the sensor and display nameplates, line designations and a data consumer diagram. Catalog image of the antenna part helps to understand the appearance, but does not confirm the model of the particular supplied module or the presence of a display in the set. The quotation should be listed in separate lines.
The manufacturer describes the JLR-21 as a GPS compass with an antenna and a display part. To save one of the blocks check its applicability to the proposed set and documentation. The similar family designation JRC does not in itself confirm the interchangeability of all parts.
JLR-21 replacement statement
| Part part | What to send. | What to get back |
|---|---|---|
| Antenna sensor | Model, marking and installation site | Confirmed proposed configuration |
| Display | Designation and retained functions | Possibility of preservation or replacement |
| Lines and consumers | Cables, interfaces and circuitry | List of retained and new elements |
| Services | Versions and known history of work | Agreed verification and documents |
Why you should check the date and service information
JRC has issued a GPS Week Number Rollover notice that lists JLR-21. When buying and restoring a system, it is useful to check the applicability of this notification to the proposed device with a service specialist. You do not need to declare an unknown copy defective in advance; you need accurate information and a verifiable result.
Take photos of the displayed date and time, save available information about the version and the work performed. Correct coordinates on one screen do not answer all questions about service data. The procedure for verification and the necessary actions are determined by JRC documents; informal discharge procedures are not included in the application.
Connected devices should remain in the task
List the devices that receive data from an existing compass and the functions they need. For each connection, the format, interface and configuration are agreed upon. If only one part changes, the retention of the rest is confirmed separately, instead of the promise of a universal direct replacement.
In the catalog photo, only the antenna part can be shown. Therefore, the availability of all cables, mounting, display and documents is checked according to the specification. For quotation comparison, use the same statement: the price of a single sensor and the price of a full node respond to different requests.
Service and post-delivery inspection
In the quotation, highlight the equipment, checking the stored elements and coordinated work. Term and service capability are confirmed for the selected composition. After completion, save the markings, versions, scheme and verification documents: this will help with the next contact.
The DR-309 and other navigation instruments below are standalone design positions. They are not declared to be automatic replacements for JLR-21; the functions of the source, indicator, and consumer are agreed upon separately.
Purchase JLR-21 and agree on the full composition
To buy JRC JLR-21 in St. Petersburg, Moscow, Murmansk, Arkhangelsk, Astrakhan or Vladivostok, send a statement and the city of receipt. For Almaty, Astana, Aktau and Atyrau add the country and details. Availability, price and term will be confirmed after the reconciliation of the composition and configuration.
Primary sources: JRC Notification about GPS Week Number Rollover, Manufacturer's brochure JLR-21. Applicability of documentation is confirmed for the proposed configuration.
Questions before buying
Can I order the JLR-21 from a photo antenna only?
You need to verify the sensor model, display, cables, accessories, and actual quotation documents.
What to report on GPS Week Number Rollover notification?
Markings, versions, service history and displayed date and time; applicability and actions are verified against JRC documents.
Does the new device automatically replace the JLR-21?
Replacement is consistent with the functions, interfaces, consumers, and composition of a particular system.
Main product and related items
The main product from the technical guide is listed first. Related items are discussed separately; compatibility and kit contents are confirmed on assignment and documentation.
