--- title: "Interface Differences of Akuvox Indoor Monitors" slug: "interface-differences-of-akuvox-indoor-monitors" updated: 2025-12-22T07:47:56Z published: 2025-12-22T07:47:56Z canonical: "knowledge.akuvox.com/interface-differences-of-akuvox-indoor-monitors" --- > ## Documentation Index > Fetch the complete documentation index at: https://knowledge.akuvox.com/llms.txt > Use this file to discover all available pages before exploring further. # Interface Differences of Akuvox Indoor Monitors The table below lists the interface differences of Akuvox indoor monitors. If you want to learn about the interface details and wiring of a specific model, please refer to its Quick Guide. | **Models** | **Interfaces and Ports** | | --- | --- | | **RS485** | **Relays Out** | **Bell In** | **Power In** | **Ethernet Ports** | | S567 | x1 | x1 | x1 | ✔ | PoE x1 | | S565 | x1 | x1 | x1 | ✔ | PoE x1; RJ45 x1 | | S563 | x1 | x1 | x1 | ✔ | PoE x1; RJ45 x1 | | S562 | x1 | x1 | x1 | ✔ | PoE x1; RJ45 ×1 | | S562-S | x1 | x1 | x1 | ✔ | PoE x1; RJ45 ×1 | | S560 | / | / | / | ✔ | PoE x1 | | IT88S | x1 | x2 | x1 | ✔ | PoE x1 | | C319S | x1 | x2 | x1 | ✔ | PoE x1 | | C316S | x1 | x1 | x1 | ✔ | PoE x1 | | C313S | x1 | x1 | x1 | ✔ | PoE x1; RJ45 ×1 | | C313W-2 | x1 | x1 | x1 | ✔ | RJ45 ×1 | | C310 | / | / | x1 | ✔ | PoE x1 | | X933S | x1 | x2 | x1 | ✔ | PoE x1 | | X937A | x1 | x2 | x1 | ✔ | PoE x1; RJ45 ×2 |