Differences

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--- infra:led-display-sign [2025/07/05 16:15] – atluxity
+++ infra:led-display-sign [2025/07/05 22:38] (current) – [Resources] bernes1
@@ Line 15: / Line 15: @@
 ===== Ports =====
-The sign has a **RJ-style modular port** on the back panel with:
+{{:infra:led-sign2.png?100 |}}The sign has a **RJ-style modular port** on the back panel with:
   * RS-232 IN
   * RS-485 IN
   * RS-485 OUT
 It also has an IR sensor hidden behind a red sticker, visible when removing a panel.
 ===== Dongle =====
-A small dongle with resistors was included, likely serving as a **RS-485 termination and bias dongle**.
+{{:infra:led-sign3.png?100 |}}A small dongle with resistors was included, likely serving as a **RS-485 termination and bias dongle**.
 ===== Communication =====
@@ Line 44: / Line 45: @@
 ===== Resources =====
   * [[https://www.alpha-american.com/Technical-Manuals.html|Alpha American Technical Manuals]]
+  * [[https://www.alpha-american.com/alpha-manuals/M-Protocol.pdf| Alpha® Sign Communications Protocol]]