Saving And Recalling Switch Or Relay Driver States; Displaying Switch Details Or Controlling Direct Drivers - JDS Uniphase SCG Series User Manual

To modify a field by using the numeric key pad:
1. Press and release the Channel key until the desired field is activated.
2. Enter a number (one to three digits) using the numeric keypad.
3. Press the Enter key.
Numeric entry is automatically accepted if the maximum number of digits is entered; the Enter
key does not need to be pressed. For example, if the SCG chassis contains less than 10 input
channels, only a single digit can be entered in the input field.
To modify a field by using the or keys:
1. Press and release the Channel key until the desired field is activated.
2. Press the key or key to change the field sequentially.
Output channel 0 is an open circuit, such as when the selected switch is in an unconnected
state. This condition is shown on the LCD as "OFF".

Saving and Recalling Switch or Relay Driver States

The SCG unit has 10 non-volatile memory locations available for storing and recalling SCG unit
data. If expansion hardware is not installed in the SCG unit chassis, the current state of the
eight direct-drive relay lines is stored.
To store and recall the current state:
1. Select a switch or place the direct-drive relay lines in the desired pattern.
2. Press the Store key.
3. Enter a number (0 to 9) using the key pad to assign the stored switch state.
4. To recall the switch state, press the Recall key, followed by the assigned number.

Displaying Switch Details or Controlling Direct Drivers

The Relay key places the unit in driver control mode. In driver control mode, the SCG unit has
four drivers (1, 2, 3, and 4) for driving the external switch modules and four drivers (5, 6, 7, and
8) for driving internal switch modules. The LCD indicates that relay control is active (Figure 14).
Figure 14: Relay Control Display without Expansion Hardware
Operating and Maintenance Instructions – 20