24
NLB 60E Operation Manual
To activate the new settings, press the OK button to
reboot. If you would like to verify that the settings
have taken effect, check the “Bridge Info” pages.
Gateway setting is currently redundant. No
modifications are needed regardless of
application.
9.3.5.4 General Purpose Input (GPI) settings
NLB 60E has three General Purpose Input (GPI)
connections which can be utilized in a variety of
configurations.
Configuration of each GPI is achieved via a small
set-up “Wizard”. First a primary state is selected,
and then the corresponding secondary state. For
example, if Mute is selected as the primary state,
it will not be possible to select Power on as the
secondary state. The only choices available will be
Unmute or disabled.
First select the GPI port for which you desire to
change settings (GPI 1, 2 or 3). Mute/Unmute will
show as a default. Press OK if you wish to modify.
A second display allows you to choose the action
triggered by the change of state. Use the Adjust up/
down keys to select the desired action. Disabled
shows as a dash (-).
Low High Ok
Mute
High Low Ok
Unmute
When you have made your selection, press OK.
The following display allows the opposite action to
be set (e.g. from high to low):
When you have made your selection, press OK.
The settings have been modified and saved and the
screen will revert to the initial display.
At any time during these procedures it is possible
to press ESC to revert to the initial display without
changing settings.
Following is a list of the possible settings for
all three GPIs, stated as Primary or Secondary:
First Choice Second choice
Mute
- (Disabled); Unmute
Unmute
- (Disabled); Mute
Disable
- (Disabled); Power ON; Power OFF;
Mute; Unmute
Power ON
- (Disabled); Power OFF
Power OFF
- (Disabled); Power ON
GPI default settings:
Defaults
Low / Open High / Closed
GPI 1 (Low/High)
Mute
Unmute
GPI 2 (Open/Closed)
Power Off
Power On
GPI 3 (Open/Closed)
Mute
Unmute
GPI 1 specific information:
GPI 1 is a Voltage sensing type.
Low state is defined as a DC voltage below 10V.
High state is defined as a DC voltage above 10V.
The GPI is able to handle DC up to 48V.
GPI 2 and 3 specific information:
Low High Ok
Mute
High Low Ok
Unmute
9 oPeRAtIon AnD conFIGURAtIon
