modbus communication error

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Allen-Bradley 1756-A7/B Control Logix 7 Slot Chassis w/ 1756-PA72/B

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Littelfuse KLC 150 Rectifier fuse Fuse Lot Of 4 UCFL 211 32 modbus communication errorLittelfuse KLC 150 Rectifier fuse Fuse Lot Of 4 Used Good Visual Condition Tested E Ok 10 21LB SS234 R CABINET 31 J CC 125869 2. 00# Return Policy Returns accepted within 30 days. Items sold as is cannot be returned, unless description is in error. Buyer pays return freight. Shipping Policy We ship almost all items with 1 business day of cleared payment. We ship USPS and UPS. We can ship on your account. If you will be shipping freight, please be sure