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Goldstar S30238-K87842X-3-X501 is a legacy plug-in circuit board designed by Goldstar (now LG Electronics), likely used in telecom switching or industrial control systems. The part belongs to a proprietary board family used in backplane-based rack assemblies, common in the late 1980s and early 1990s. Board Manufacturer: Goldstar Co., Ltd. (now LG Electronics) Model Number: S30238-K87842X-3-X501 Country of Origin: South Korea Board Function: DRAM memory expansion or buffer board for telecom/industrial systems Visible Memory Chips: 16 × KM44C256AJ-8 DRAM (256K x 4-bit) = 2MB total (4MB if configured as 8-bit banks) Component Types: DRAM, relays, discrete logic, diodes, transistors, signal protection elements Relay Count: 12 sealed electromagnetic relays (likely signal switching or isolation) Board Interface: Gold-finger edge connector (for backplane/rack slot) PCB Construction: Multilayer, through-hole dominant Power Input: Via backplane connector (likely 5V DC) Mounting: Vertical plug-in to rack chassis Use Case: Central office telecom systems, exchange processors, memory buffering or routing control If used in a telecom system, this board would typically support switching matrix control, data path buffering, or relay state management in conjunction with other CPU or I/O cards. Please review pictures carefully and let us know if you have any questions!
Condition: Used
Weight: 1.14
Depth: 20.00
Length: 20.00
Width: 20.00
SKU: 5016 4.S1.10.5F
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