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HPE7-A03 · Question #94

What type of cable is needed for a direct connection between two CX 8325 equipped with Aruba 100G QSFP28 SR4 transceivers?

The correct answer is A. one 12-strand MMF type-B cable with a maximum length of 100 m. A 100G QSFP28 SR4 module uses 4 optical lanes in each direction, requiring a 12-fiber MPO/MTP Type-B multimode cable. SR4 supports up to 100 meters over OM4 MMF, matching the requirement for a direct 100G link between two CX 8325 switches.

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Question

What type of cable is needed for a direct connection between two CX 8325 equipped with Aruba 100G QSFP28 SR4 transceivers?

Options

  • Aone 12-strand MMF type-B cable with a maximum length of 100 m
  • Bone 8-strand MMF type-A cable with a maximum length of 100 m
  • Cone duplex SMF LC cable with a maximum length of 300 m
  • Done duplex MMF LC cable with a maximum length of 95 m

How the community answered

(24 responses)
  • A
    83% (20)
  • B
    4% (1)
  • C
    4% (1)
  • D
    8% (2)

Explanation

A 100G QSFP28 SR4 module uses 4 optical lanes in each direction, requiring a 12-fiber MPO/MTP Type-B multimode cable. SR4 supports up to 100 meters over OM4 MMF, matching the requirement for a direct 100G link between two CX 8325 switches.

Topics

#QSFP28 SR4#100G interconnects#multimode fiber#fiber cabling

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