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Serial ports, Rear panel rs-232 port, Front panel configuration port – Extron electronic Fiber Optics Fox 4G DA8 User Manual

Page 13: Remote control

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FOX 4G DA8 • Remote Control

Remote Control

FOX 4G DA8 • Remote Control

3-3

3-2

Serial Ports

The FOX DA has two serial ports that can be connected to a host

device such as a computer running the HyperTerminal utility,

an RS-232 capable PDA, or a control system. These ports make

serial control of the DA possible. The serial ports are:
• The rear panel RS-232 port on a 3-pin captive screw

connector

• The front panel Configuration (RS-232) port, a 2.5 mm

mini stereo jack

The protocol for both ports is as follows:
• 9600 baud

• no parity

• 8 data bits

• 1 stop bit

• no flow control

Rear panel RS-232 port

Do not tin the wires!

Controlling

Device

Ground ( )
Receive (Rx)
Transmit (Tx)

Ground ( )
Receive (Rx)
Transmit (Tx)

Bidirectional

RS-232

Tx Rx

Function

Pin

TX

RX

Gnd

Transmit data
Receive data
Signal ground

Figure 3-1 — RS-232 connector pin assignments

Front panel configuration port

The optional Extron 9-pin D to 2.5 mm mini jack TRS RS-232

cable, part #70-335-01 (figure 3-2) can be used for connection to

the Configuration port.

6 feet

(1.8 m)

Part #70-335-01

5

1

9

6

Sleeve (Gnd)

Ring

Tip

9-pin D

Connection

TRS Plug

Pin 2

Computer's RX line

Tip

Pin 3

Computer's TX line

Ring

Pin 5

Computer's signal ground

Sleeve

Figure 3-2 — Optional 9-pin TRS RS-232 cable