Clearport/Extron SIS

Extron SIS

Simple Instruction Set is Extron’s command/response control language. Serial, Telnet-like and secure service mappings vary by product; SIS is not a single universal network port.

Scope: Extron SIS — requirements depend on the selected profile.

protocol · Catalog reviewed 2026-09-27

By Extron

ControlProprietary

Infrastructure Requirements

  1. The exact product command guide, supported transport and configured listener
  2. correct serial wiring where used
  3. authorized control credentials.

Network & Physical Requirements

Port / allocationTransportConnection / signal flowFeature and requirementEvidence
23 (default)TCPThird-party controller → Extron device

Optional · Legacy TCP SIS

SIS socket control

FOX Matrix example; confirm model configuration

Source checked 2026-09-27

Programming Guide > Ethernet (LAN) Port; Ethernet Connection (Telnet); telnet port command
22023TCPThird-party controller → NAVigator

Optional · NAVigator SIS

NAVigator third-party SIS

NAVigator revision F

Source checked 2026-09-27

NAVigator NAV LAN table, p. 2; OOB table, p. 4: TCP 22023

Physical, link and configuration requirements

physical · Optional · Serial SIS

Serial SIS uses the model’s documented electrical interface, baud/framing and command set.

Extron model-specific serial SIS

Gotchas & IT Notes

  • ⚠Use the actual model command reference and authentication settings. Do not apply legacy TCP 23 to every Extron product.