Desktop Board DH57JG Manual

Installing and Replacing Desktop Board Components

Chassis Intrusion Header

Figure 20, E shows the location of the chassis intrusion header. This header can be

connected to a mechanical switch on the chassis to detect if the chassis cover is

removed. This switch should be in the open position when the chassis cover is

installed and closed when the cover is removed.

Table 12 shows the pin assignments and

signal names for

the chassis intrusion header.

Table 12. Chassis Intrusion Header Signal Names

Pin Description

1 Intruder#

2 Ground

Serial Header

Figure 20, F shows the location of the serial header. Table 13 shows the pin

assignments and signal names for the serial header.

Table 13. Serial Port Header

Pin Signal Name Pin Signal Name

1 DCD (Data Carrier Detect) 2 RXD# (Receive Data)

3 TXD# (Transmit Data) 4 DTR (Data Terminal Ready)

5 Ground 6 DSR (Data Set Ready)

7 RTS (Request To Send) 8 CTS (Clear To Send)

9 RI (Ring Indicator) 10 Key (no pin)

S/PDIF Header

Figure 20, G shows the location of the S/PDIF output header. Table 14 shows the pin

assignments and signal names for the S/PDIF output header.

Table 14. S/PDIF Header Signal Names

Pin Description

1 Ground

2 S/PDIF Out

3 Key (no pin)

4 +5 VDC