diff --git a/BBU/DCU on STDRI BBU.md b/BBU/DCU on STDRI BBU.md
index 019c36e..364733a 100644
--- a/BBU/DCU on STDRI BBU.md	
+++ b/BBU/DCU on STDRI BBU.md	
@@ -17,26 +17,39 @@ Workshop RPI5 (Лиза Желтова)
 	py исполняемые скрипты - jenkins - json - RC 
 
 **ARCHITECTURE**
-1. Питание 
+1. **PSU** 
 	1. DCDC 12V - 5V на малину (SY81020VDC)
 	2. DCDC 3v3 1v1 1v0 (EN и PG)
-2.  Led state
-	1. LED x3 (AD16DS)
-3. FPGA (GW2A-LV55PG848C8/17) 
+2.  **State Indicators**
+	1. LED x3 (AD16DS) - control on RPI5
+3. **FPGA** (GW2A-LV55PG848C8/17) 
 	1. 1-WIRE (x2)
 		1. Temp & Humidity Sensors
 	2. OpenCollector (x6)
 		1. Inductive sensor
 	3. SPI 
 		1. Flash (w25Q16JVSNIQ)
-	4. OpenCollector
+	4. I2C ADC (x3) - ==уточнить количество входов == 
+	5. I2C (Imon Vmon) - INA226 ==уточнить количество входов == 
+	6. I2C DC Load (x3) - 
+	7. MDIO (ETH Switch) RTL8367RBI-VH-CG
+		1. ETH1 ... ETH5 of MUX 
+	8. MDIO - PHY DAP8211R 
+		1. ETH - LPJG4806-8GENLK
+	9. OpenCollector
 		1. Step Motor Driver (EM542S)
-	5. DC OK`s
+	10. DC OK`s
 		1. 12V
 		2. 24V_DUT
 		3. 24V
 		4. 48V
-4. Raspberry Pi 5
+	11. ON / OFF 
+		1. Case Fans (x2)
+	12. RS485 Trancievers 
+	13. CMOS, OD, LVDS Buffers (External control)
+	14. EN - Hot Swap (-48V)
+	15. EN & PG (x5) - to Hot Swap 
+4. **Raspberry Pi 5**
 	1. Ethernet - connect to PC
 	2. USB
 		1. USB - JTAG (Adafruit FTDI FT232H)
@@ -44,8 +57,7 @@ Workshop RPI5 (Лиза Желтова)
 		1. UART 
 		2. I2C
 		3. GPIO 
-	4. Power (5V
-	5. 
+	4. 
 **SCH** 
 
 ##