The PedalSnake Seven Channel 18 foot BaseSnake has 7 channels: Six
3-wire and One 5-wire and are 18 feet long. All channels accept Pigtails to make
GLines and PLines. Bare channels can be used for DIN-plug applications, like
MIDI.

7M18 BaseSnake Features

• 7M18 has three 3-wire channels and one white 5-wire channel, all with 5pin
  DIN connectors.
• Any channel can be configured with Pigtails to be a 1/4 inch GLine
  (GuitarLine), or a 2.1mm PLine (PowerLine, with standard Boss type power
  connectors)
• Channels can also be used bare, without Pigtails, for MIDI, certain
  footswitches, and any other 5pin DIN applications.
• The 5-wire channel has special functions, and can be used:
• For MIDI5 (MIDI signal plus phantom power for footcontrollers)
• For 5pin DIN footswitches (like Mesa Boogie and others)
• With an MF1-H (PLine Pigtail) when a pedal has a power supply rated at more
  than 1600mA
• With -I PLine Pigtails to mix DC- and AC-output supplies on one channel, or
  when ground isolation is needed between two supplies.