The PVS 204SA is a four‑input, two‑output twisted‑pair audio and video switcher that includes a built‑in two‑channel power amplifier. It is part of Extron’s PoleVault system and is designed for ceiling‑mount installations using the PMK‑450 pole mount kit.
This manual covers safety warnings, mounting, power and A/V connections, control options (front panel, RS‑232, IR, MediaLink), audio configuration, firmware updates, and reference specifications. It also provides wiring diagrams, DIP‑switch settings, and troubleshooting tips.
| Inputs / Outputs | Four video/audio inputs (2 RGB, 2 composite) and two outputs |
|---|---|
| Built‑in Amplifier Power | 13 W per channel into 4 Ω (7 W into 8 Ω) |
| Power Supply | 12 V DC, 3 A max |
| Control Interfaces | RS‑232, MediaLink (MLC), IR remote |
| Audio Output Mode Selection | Rear‑panel DIP switch selects stereo or dual‑mono |
All servicing must be performed by qualified service personnel; the unit has no user‑serviceable parts and opening it can expose dangerous voltage.
Use the rear‑panel DIP switch; set it up (up) for stereo or down for dual‑mono operation.
The switcher operates from a 12 V DC supply with a maximum current draw of 3 A.