Ds-80249 -p Rev 1.2 Schematic !!link!! Info

Report: DS-80249-P Rev 1.2 Schematic Analysis

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: If this is part of an evaluation kit (such as those from NXP, STMicroelectronics, or Texas Instruments), the schematic is usually found in the "Design Resources" or "Tools & Software" section of the specific product page [4].

• Symptom: Communication drops under load.
• Schematic check: Locate the biasing resistors on the RS-485 bus (usually 560Ω pull-up, 560Ω pull-down). Rev 1.2 increased these to 1.2kΩ to reduce loading. If your board has 560Ω, someone installed a pre-revision module.

DS-80249-P Rev 1.2

The is a primary system board (motherboard) used in Hikvision Digital Video Recorders (DVRs) , as well as rebranded versions like the JFL DHD-2008N. ds-80249 -p rev 1.2 schematic