Appendix I
Service Manual for the LuMon™ System
29 of 33
8.2.2
USB ports
The USB port is a standard USB 2.0 Type A port supporting USB-IF BC1.2 downstream charging with 1A current limit. The USB
ports of the LuMon™ Monitor is designed to be used with memory devices without external power supply. For service use also
keyboard/mouse can be connected.
8.2.3
Serial port 1 (RS-232)
Figure 8-2: Serial port 1
Table 8-2: Serial port 1 - signals
Pin(s)
Signal
Description
1
+5V
+5V, max 1A for sensor supply only, controlled by LuMon™ Monitor
2
RXD_TIC
Received Data (RX, to LuMon™ Monitor)
3
TXD_TIC
Transmitted Data (TX, from LuMon™ Monitor)
4
SYNC OUT
Digital 0V – 5V eit frame synchronization output
5
GND
Signal ground
6
UI CH3
Digital 0V – 3.3V I/O (reserved)
7
+12V
+12V, max 0.4A for sensor supply only, controlled by LuMon™ Monitor
8
UI CH2
Digital 0V – 3.3V I/O (reserved)
9
SYNC IN
Digital 0V – 5V eit frame synchronization input with built-in pull-up resistor
N
OTE
The current software does not support any functionality over this interface. This interface is reserved for factory use only.
8.2.4
Serial port 2 (RS-232)
Figure 8-3: Serial port 2
Table 8-3: Serial port 2 - signals
Pin(s)
Signal
Description
1
GPIO 3
Digital 0V – 3.3V I/O (reserved)
2
RXD
Received Data (RX, to LuMon™ Monitor)
3
TXD
Transmitted Data (TX, from LuMon™ Monitor)
4
DTR
Data Terminal Ready
5
GND
Signal ground
6
DSR
Data Set Ready
7
RTS
Request to Send
8
CTS
Clear to Send
9
GPIO 7
Digital 0V – 3.3V I/O (reserved)
N
OTE
The current software does not support any functionality over this interface. This interface is reserved for factory use only.