How does shipping work for orders on MRO Exchange?

Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

What payment methods does MRO Exchange accept?

MRO Exchange accepts all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available, with payment due prior to shipment. Custom terms are available for established accounts.

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Giddings & Lewis 503-19770-10 I/O Communications Board

$349.99 USD

Sale Sold out

✓ 30-day returns on every item — return policy

ConditionSurplus - Untested MPN503-19770-10 Stock #0226-00540

30-day returns on every item. Photos reflect the actual item’s current condition — see our return policy and condition guide.

Shipping Estimate

⚡ Same-day shipping available — order by 11 am CT ($100 add-on at checkout)

✓ Free domestic UPS Ground shipping — applied automatically at checkout.

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Product Specifications

Manufacturer: Giddings & Lewis
MPN / Model: 503-19770-10
Product Type: I/O Communications Board
Assembly Number: 501-04314-01
Revision: REV-2
DC/DC Power Module: Ericsson PKA 2212 P
U11 Label: 502-57972-00 / 94203-01
U9 Label: 502-52937-00 / 89165-01
Condition: Surplus - Untested

Product Description

This is a Giddings & Lewis 503-19770-10 I/O Communications Board. The silkscreen reads I/O COMMUNICATIONS BOARD, 501-04314-01 and REV-2, plus a partial line ending in 28-00 (the start is covered by a label). A white label on the board reads 503-19770-10. The blue power module reads Ericsson PKA 2212 P. ROM labels read 502-57972-00 / 94203-01 at U11 and 502-52937-00 / 89165-01 at U9. The edge connector is marked 2-164045-4 19-97. No serial number or date code is visible in the photos, and the rear of the board is not shown. Ratings, standards, certifications and country of origin are not readable in the photos.

The board has three modular jacks and a brass-colored bar along the left edge, a red FOT connector, PASS and FAIL switch positions, test points TP1 and TP2, jumper pins TP3-4 and TP5-6, an Intel device at U12, a crystal at Y1, and a multi-pin edge connector on the right side. No physical damage is visible in the photos.

Sold as surplus, untested. This unit has not been powered on or tested by MRO Exchange, and the function and communication performance have not been verified.

Stock # 0226-00540

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Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.