
CompuLab Ltd. FACE Modules – HW Specifications Page 28 of 63
4.4.5 RJ-11 Serial Ports
The serial ports are arranged as COM ports differently on different motherboard configurations, as
detailed in Table 2. The physical locations of the ports are depicted in Figure 1.
Table 6 – Serial Ports Arrangement
The pinout of RJ-11 serial ports is detailed in Table 3.
Table 7 – RJ-11 Pinout
Notes:
1. FM-SER is classified as DTE (Data Terminal Equipment) in terms of RS232 standard definition
2. FM-SER supports full duplex RS485
3. The port numbering is specified in Table 2
4.4.6 RJ-45 CAN Bus Pinout
Table 8 – RJ-45 Pinout
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