Your question about Siemens S30817-Q920-B601-B701 MB4/4 -Hicom E 112
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Order-No.: 698 Manufacturer: Siemens Condition: Rebuilt Part number.: S30817-Q920-B601-B701 MB44 -Hicom E 112
The MB (Motherboard) 4/4 is the central control board for the Hicom 112 E. It offers 4 UP0 interfaces for the connection of digital phones (ie. Optiset E) and 4
analogue interfaces a/b.