TR-4800E
Tally Router
Page - 26 Revision 1.1
4.3.2 Configuring the Front GPIO Binding Posts (+BP16 option only)
When the TR-4800E has been ordered with the +BP16 option, there will be 16 GPIO available on the
front panel through banana-type binding posts. Each of these GPIO can be configured as a GPI or a
GPO, Wet or Dry. Please refer to section XXX for more information.
First select the GPIO (1-16) you wish to configure in the “Select Front Channel” control. Once the
GPIO is selected, any changes below will be applied to that GPIO only. There are 7 controls that are
used to configure the GPIO:
1. Configure the GPIO as an input (GPI) or output (GPO) using the “Input or Output” control.
2. Configure the GPIO as either Wet or Dry using the “Wet or Dry” control.
The next three controls only apply if the GPIO is configured as an output (GPO):
3. A GPO can be manually forced open or closed with the “Relay State” control. Note that if
MAGNUM-TALLY is running it may immediately override this setting.
4. The GPO may be put into “Pulse” mode. In pulse mode, whenever the GPO is turned On, the
GPO instead pulses On then goes back to Off.
5. If the GPO has pulse mode enabled, select the duration of the GPO On pulse with the “Front
Panel Pulse Width” control.
The last two controls only apply if the GPIO is configured as an input (GPI):
6. A GPI may be put into “Edge Trigger” mode. In edge trigger mode the GPI reports On only
when the GPI transitions between driven and undriven states. The GPI reports Off when the
opposite transition happens.
7. When a GPI has edge triggering enabled, select the type of transition to go On using the
“Trigger Edge” control.
8. When the selected GPIO is configured as an input, the “Input Level” displays the current state
of the GPI.
4.3.3 Configuring the Rear GPI
There are a total of 32 GPIs on the rear of the unit that are configured in the “Rear GPI Settings” tab.
The GPI to be configured (1-32) is first select the “Select GPI” control. Once the GPI is selected, any
changes below will be applied to that GPI only. There are 2 controls that are used to configure the GPI:
1. A GPI may be put into “Edge Trigger” mode with the “Trigger” control.
2. When a GPI has edge triggering enabled, the “Trigger Edge” control selects which transition
should turn the GPI On.
3. The “Input Level” displays the current state of the selected GPI.
4.3.4 Configuring the Rear GPO
There are a total of 48 GPOs on the rear of the unit that are configured in the “Rear GPO Settings” tab.
The GPO to be configured (1-48) is first select the “Select GPO” control. Once the GPO is selected,
any changes below will affect that GPO only. There are 4 controls that are used to configure the GPO:
1. The “Relay State” control can be used to manually turn the GPO On or Off.
2. A GPO may be put into “Pulse” mode with the “Pulse” control.
3. When a GPO has pulse mode enabled, the “Pulse Width” control selects how long the GPO will
turn On before turning back Off again.
4. The “Output Busy” displays the current state of the selected GPO.
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