Rs-232/422/485 Serial Port (Com1, Com2); Hdmi Cable Holder Installation; Figure 3-15: Hdmi Cable Holder Screw; Table 3-2: Rs-232/422/485 Serial Port Pinouts - IEI Technology HTB-100-HM170 User Manual

HTB-100-HM170 Medical Box PC

3.7.2 RS-232/422/485 Serial Port (COM1, COM2)

The RS-232/422/485 mode selection of COM1 and COM2 is made through the system
BIOS. Please refer to Section 4.3.3.1.1 and 4.3.3.1.2 for selecting COM port mode. The
default setting for COM1 and COM2 is RS-232.
The RS-232/422/485 serial port pinouts are listed in the following table.
PIN NO. RS-232
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI

Table 3-2: RS-232/422/485 Serial Port Pinouts

3.8 HDMI Cable Holder Installation

The HDMI cable connected to the HTB-100-HM170 can be secured with a cable holder to
prevent disconnection. To secure the HDMI cable, please follow the steps below.
Remove the HDMI cable holder screw on the front panel (Figure 3-15).
Step 1:

Figure 3-15: HDMI Cable Holder Screw

RS-422 RS-485
TXD422- TXD485-
TXD422+ TXD485+
RXD422+ --
RXD422- --
-- --
-- --
-- --
-- --
-- --
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