BIS-2
Integrated Signal Unit
Description
BIS-2 integrated signal unit
BIS-2 is the transliterated catalogue designation of the БИС-2 aircraft block. Aviation component catalogues identify the unit by the functional name “integrated signal unit.” The reviewed open sources do not publish a reliable circuit description, system designation or aircraft effectivity for this exact execution, so the card does not assign functions from other БИС products with similar abbreviations.
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Documented limits of identification
A separate product named SSP-FK-BIS appears in aviation surplus records, but this does not establish that it is the same unit or that BIS-2 belongs to that system. The designation БИС may be reused in different equipment families. BIS-2 should therefore be treated as an avionics signal-processing block whose exact input, output and installation are verified from the passport and aircraft documentation.
Selection and compatibility
Confirm the full BIS-2 / БИС-2 marking, any drawing or factory number, connector arrangement and mounting. BIS2 and БИС2 are compact search forms, not separate approved designations. Similar housings or a matching first part of the abbreviation do not prove interchangeability. Compatibility requires the same system version, electrical interfaces, pinout and acceptance documentation.
Inspection and enquiry
Incoming inspection covers the case, connector contacts, fastening points, seals and nameplate. Bench testing requires a known circuit and approved procedure because unverified signal levels may damage the unit. An enquiry should include clear photographs of every plate and connector, aircraft or equipment reference, quantity, condition and required documents. Related signal and measurement units are listed under Electronic Control Units.
BIS-2 relationship to the BNS-1-2 set
An aviation component listing identifies BIS-2 as a unit supplied from the BNS-1-2 set. This is a useful system-level identification, but the listing does not disclose the signal equations, connector pinout or aircraft effectivity. For that reason the BNS-1-2 relationship is recorded as confirmed catalogue context while all electrical characteristics remain subject to the exact set manual.
Technical details
- Product Type
- Aircraft integrated signal unit
- Confirmed Functional Name
- Integrated signal unit
- Specific System
- Not confirmed in the reviewed open technical sources
- Aircraft Application
- Verify in the illustrated-parts catalogue
- Primary Designation
- BIS-2
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- Original Cyrillic Designation
- БИС-2
- Alternative Designations
- BIS-2; BIS2; БИС-2; БИС2
- Relationship to SSP-FK-BIS
- Not established; do not treat as the same product
- Supply, Signals and Pinout
- Verify in the exact product passport
- Selection Basis
- Full marking, drawing number, system, connectors and mounting
- Documented Equipment Set
- BNS-1-2
- Catalogue Relationship
- Listed as a unit from the BNS-1-2 set
- Circuit Description
- Not disclosed by the located inventory record
Payment & delivery
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Availability, lead time, delivery cost and payment terms are confirmed for your order before payment.
Payment & delivery terms