Tektronix 2200 Manual Do Utilizador

2-70

When all the Tally Expansion Chassis are installed and set up: 

1. Turn the power off to the switcher frame and plug the control cable into 

J2 on the GPI Module (C4 on the back of the switcher frame). 

2. Turn the switcher power back on. 

3. At the rear of each Tally Expansion chassis plug both power cords into 

the chassis and a source of power (90 to 132 VAC or 180 to 264 VAC). 
The power supplies automatically selects either 115 or 220 volt source, 
depending on the input. 

4. At the front of each Tally Expansion chassis, open the door, turn on 

both power switches, and verify that both power supply lamps are lit. 

The Maintenance port allows a text-only monitor to be connected to the 
switcher frame. The monitor is normally used for maintenance purposes 
only. Refer to 

1. Connect a cable from the input port of a RS-232 terminal to J1 

(MAINTENANCE port) on the GPI Module in Slot B4.

The Data cable must be wired in a standard RS-232 configuration with pin 
assignments as follows:

■

— Protective Ground

■

— TxD (From the Terminal)

■

 — RxD (To the Terminal)

■

 — Signal Ground

2. Ensure that the settings of the terminal matches the parameters of the 

Model 2200 given below:

■

9600 baud 

■

8 data bits 

■

1 stop bit 

■

No parity 

See the monitor’s manual for its settings.

GPI

MAINTENANCE

TALLY EXP

1

2

3

4

G

GPI INPUTS

J1

+5

J2

1

2

3

4

G

+5

TB1

TB2

GPI OUTPUTS

TB3

1

2

3

4

G

TB4

1

2

3

4

G

C4

G

G