Venus User Manual Rev 1.1e
www.diamondsystems.com
Page 19
6.1.4
USB 3.0 Port (J18, J19)
There are two USB3.0 headers with identical pinouts Each USB3.0 header also provides access to two USB 3.0
ports with USB 2.0 backward compatibility. The pinout for the connector is compatible with the Intel standard for
USB 3.0 motherboard connectors.
USB1 Pwr
1
USB1 SSRX-
2
19
USB2 Pwr
USB1 SSRX+
3
18
USB2 SSRX-
Ground
4
17
USB2 SSRX+
USB1 SSTX-
5
16
Ground
USB1 SSTX+
6
15
USB2 SSTX-
Ground
7
14
USB2 SSTX+
USB1 Data-
8
13
Ground
USB1 Data+
9
12
USB2 Data-
ID
10
11
USB2 Data+
Connector used is WUIR-19A1N4BU3N Top entry type.
Mating Cable: DSC 6980100
6.1.5
Serial Ports (J6,J7)
There are two serial port connectors with identical pinouts, two ports per connector. All ports are configurable for
RS-232, RS-422, or RS-485. The pinout for the first connector is shown here.
Pin RS-232
RS-422
RS-485
1
TX1
TX1+
TX/RX 1+
2
RX1
RX1+
NC
3
RTS1
TX1-
TX/RX 1-
4
CTS1
RX1-
NC
5
Ground
Ground
Ground
6
TX2
TX2+
TX/RX 2+
7
RX2
RX2+
NC
8
RTS2
TX2-
TX/RX 2-
9
CTS2
RX2-
NC
10
Ground
Ground
Ground
Connector used is SM10B-GHS-TB Side entry type. Pinout is derived from DS-MPE-SER4M.
Mating Cable: DSC 6980500
6.1.6
Ethernet (J16)
Port 1 DA+
1
2
Port 2 DA+
Port 1 DA-
3
4
Port 2 DA-
Port 1 DB+
5
6
Port 2 DB+
Port 1 DB-
7
8
Port 2 DB-
Port 1 DC+
9
10
Port 2 DC+
Port 1 DC-
11
12
Port 2 DC-
Port 1 DD+
13
14
Port 2 DD+
Port 1 DD-
15
16
Port 2 DD-
Port 1 Shield
17
18
Port 2 Shield
N/C
19
20
N/C
Connector used is SM20B-GHDS-GAN-TF Side entry type. Pinout is derived from Aries.
Mating Cable: DSC 6980513