Campbell Scientific SC32B SC32B Optically Isolated RS-232 Interface - Page 8

Specifications, Connector Descriptions

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SC32B Optically Isolated RS-232 Interface 2. Specifications Operating Temperature: -25° to +50°C (typical) Power: Powered by datalogger; see Section 4, Operation Ports: 9 pin female RS-232 configured as DCE. 9 pin male CS I/O Baud Rate: 1200 bps to 115.2 kbps; see Section 4, Operation Size: 4.1 x 2.3 x 7.6 cm (1.6 x 0.9 x 3 in) Weight: 45.4 g (1.6 oz) 3. Connector Descriptions TABLE 3-1. SC32B Connector Descriptions RS-232 9 Pin Female Connector Pin # I/O Description 1 Out DCD 2 Out RXD 3 In TXD 4 In DTR 5 Ground 6 Out DSR 7 In RTS 8 Out CTS 9 No Connection CS I/O 9 Pin Male Connector Pin # I/O Description 1 In +5 V 2 Ground 3 Out Ring 4 Out RX 5 In ME 6 In PE (SDE) 7 No Connection 8 No Connection 9 In TX 3.1 RS-232 The DB9 RS-232 port is configured as Data Communications Equipment (DCE) for direct cable connection to Data Terminal Equipment (DTE). Most computers are configured as DTE. For connection to DCE devices such as modems, the SC932 or SC932A should be used in place of the SC32B. 3.2 9 Pin The CS I/O port connects to the datalogger through the SC12 Two Peripheral Cable supplied with the SC32B. Pin descriptions and direction (Input/Output) are given in TABLE 3-1. 2

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SC32B Optically Isolated RS-232 Interface
2.
Specifications
Operating Temperature:
–25° to +50
°
C (typical)
Power:
Powered by datalogger; see Section 4,
Operation
Ports:
9 pin female RS-232 configured as DCE.
9 pin male CS I/O
Baud Rate:
1200 bps to 115.2 kbps; see Section 4,
Operation
Size:
4.1 x 2.3 x 7.6 cm
(1.6 x 0.9 x 3 in)
Weight:
45.4 g (1.6 oz)
3.
Connector Descriptions
TABLE 3-1.
SC32B Connector Descriptions
RS-232
9 Pin Female Connector
CS I/O
9 Pin Male Connector
Pin #
I/O
Description
Pin #
I/O
Description
1
Out
DCD
1
In
+5 V
2
Out
RXD
2
Ground
3
In
TXD
3
Out
Ring
4
In
DTR
4
Out
RX
5
Ground
5
In
ME
6
Out
DSR
6
In
PE (SDE)
7
In
RTS
7
No Connection
8
Out
CTS
8
No Connection
9
No Connection
9
In
TX
3.1
RS-232
The DB9 RS-232 port is configured as Data Communications Equipment
(DCE) for direct cable connection to Data Terminal Equipment (DTE).
Most
computers are configured as DTE.
For connection to DCE devices such as
modems, the SC932 or SC932A should be used in place of the SC32B.
3.2
9 Pin
The CS I/O port connects to the datalogger through the SC12 Two Peripheral
Cable supplied with the SC32B.
Pin descriptions and direction (Input/Output)
are given in TABLE 3-1.
2