Owner manual
Table Of Contents
- 1 Introduction
- 2 Unpacking
- 3 Connectors
- 3.1 Peripheral Interface Connectors
- 3.2 Internal Peripheral Connectors
- 3.2.1 Audio Connector
- 3.2.2 Battery Connector
- 3.2.3 CompactFlash® Slot
- 3.2.4 Digital I/O Connector
- 3.2.5 Fan Connector (CPU)
- 3.2.6 Fan Connector (System)
- 3.2.7 Front Panel Connector
- 3.2.8 Keyboard/Mouse Connector
- 3.2.9 Backlight Inverter Connector
- 3.2.10 LVDS1 LCD Connector
- 3.2.11 Parallel Port Connector
- 3.2.12 PCI-104 Connector
- 3.2.13 PCIe Mini Card Slot
- 3.2.14 12V Power Connector
- 3.2.15 SATA Drive Connectors
- 3.2.16 SATA Power Connector
- 3.2.17 Serial Port Connectors (RS-232)
- 3.2.18 Serial Port Connector (RS-232/422/485)
- 3.2.19 SMBus Connector
- 3.2.20 SPI Flash Connector
- 3.2.21 TPM Connector
- 3.2.22 USB Connectors
- 3.3 External Peripheral Interface Connector Panel
- 4 Installation
- 4.1 Anti-static Precautions
- 4.2 Installation Considerations
- 4.3 Unpacking
- 4.4 SO-DIMM Installation
- 4.5 Jumper Settings
- 4.5.1 AT Auto Button Power Select Jumper Settings
- 4.5.2 AT/ATX Power Select Jumper Settings
- 4.5.3 Clear CMOS Jumper
- 4.5.4 COM 3 Function Select Jumper
- 4.5.5 COM 3 RS-422/485 Function Select Jumper
- 4.5.6 CompactFlash® Card Setup
- 4.5.7 CompactFlash® Voltage Selection
- 4.5.8 LVDS1 Screen Resolution Selection
- 4.5.9 LVDS Voltage Selection
- 4.5.10 PCI-104 Voltage Setup
- 4.6 Chassis Installation
- 4.7 Internal Peripheral Device Connections
- 4.8 External Peripheral Interface Connection
- 4.9 Software Installation
- 5 BIOS Screens
- A BIOS Menu Options
- B One Key Recovery
- C Terminology
- D Watchdog Timer
- E Hazardous Materials Disclosure

NANO-PV-D4251/N4551/D5251 EPIC SBC
Page 31
PIN NO. DESCRIPTION
1 +5V
2 GND
Table 3-18: SATA Power Connector Pinouts
3.2.17 Serial Port Connectors (RS-232)
CN Label:
COM2, COM4, COM5
CN Type:
10-pin header (2x5)
CN Location:
See
6Figure 3-18
CN Pinouts:
See
6Table 3-19
These connectors provide RS-232 communications.
Figure 3-18: COM Connector Pinout Locations
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 Data Carrier Direct (DCD) 2 Data Set Ready (DSR)
3 Receive Data (RXD) 4 Request To Send (RTS)
5 Transmit Data (TXD) 6 Clear To Send (CTS)
7 Data Terminal Ready (DTR) 8 Ring Indicator (RI)










