Serial UPS Power Management Communication Cable D-Sub 2.77-Pitch DB9 9-Pin Female to Male Partial Straight-Thru 5-Wire Transmit-Only Hardware Handshaking Unbranded Molded Connector 4FT SKU 091011

Serial UPS Power Management Communication Cable
D-Sub 2.77-Pitch DB9 9-Pin Female to Male Partial Straight-Thru 5-Wire
Transmit-Only Hardware Handshaking
Unbranded Molded Connector 4FT SKU 091011
CB-DB9F-DB9M-xxx

Features:

Description: Serial UPS Power Management Communication Cable D-Sub 2.77-Pitch DB9 9-Pin Female to Male Partial Straight-Thru 5-Wire Transmit-Only Hardware Handshaking Unbranded Molded Connector 4FT SKU 091011
Manufacturer: Not Specified
Brand Name or Distributor: Unbranded
Model: (Equivalent & Compatible)
- Seller's SKU 091011
Connector:
- D-Sub DB9 2.77mm Pitch 9-Pin Female Molded Connector
- D-Sub DB9 2.77mm Pitch 9-Pin Male Molded Connector
Pinout: (Wiring Circuits checked with an Ohm Meter, not a Spec, for reference only.)
- Partial Straight-Thru 5-Wire custom Transmit-Only Hardware Handshaking Cable
  - DB9F 1 - DB9M 1
  - DB9F 2 - NC
  - DB9F 3 - DB9M 3
  - DB9F 4 - DB9M 4
  - DB9F 5 - NC
  - DB9F 6 - NC
  - DB9F 7 - DB9M 7
  - DB9F 8 - DB9M 8
  - DB9F 9 - NC
  - Shield - Shield
Cable Marking:
- NA
Item Length:
- Overall : 4FT
- Wire: 3.6FT
Weight: 2 oz (estimated shipping weight 5 oz)
Condition: (Subject to Availability)
- SKU ______A - Aged Open Box, not been used, with signs of cosmetic wear.
- SKU ______N - New
- SKU ______B - Bulk New, seller repackaged.
- SKU ______E - Excess Inventory, not been used, may have signs of age.
- SKU ______P - For Parts, Unused Open Box, Proprietary Pinout Brand & Model specific compatibility NOT for standard Serial, RJ11, RJ45, or USB.
- SKU ______O - Open Box, unused, may have signs of cosmetic wear.
- SKU ______R - Refurbished to working condition.
- SKU ______U - Used, with signs of cosmetic wear.
Package: Non-retail packaging, in Unprinted or Reused Box or Plastic Bag.
For use with or pulled from: (for reference only)
- UPS management cables are not universally interchangeable, while many use standard-looking connectors but the internal wiring (pinout) is often proprietary to the manufacturer.
- A proprietary Non-standard serial cable for certain legacy or industrial UPS Battery Backups.
- Partial Straight-Thru custom Transmit-Only Hardware Handshaking Cable for One-Way Data Logging or Monitoring where the receiving device must never send data back to the source.
- Used in
  - Certain legacy or industrial UPS Battery Backups.
  - High-Security environment to ensure that no commands or 'malware' can be sent back to the prime system.
  - Legacy Serial Printers (older industrial label or receipt printers) only require a transmit line but never need to 'talk back' to the PC.
  - Radio / Telemetry Transmitters simply 'broadcast' data like a GPS puck or a Weather Station often omit the receive line to simplify the cable or prevent accidental interference.
  - Some specialized scientific or photography equipment uses Pin 7 (RTS) and Pin 4 (DTR) as electronic triggers to snap a photo or start a timer, using Pin 3 only for basic status pulses.
- Serial Number(s) Available or Sold:
  - SN 0099187 For Parts, Unused Open Box
  - SN 0099188 For Parts, Unused Open Box
  - SN 0099189 For Parts, Unused Open Box