7700FR/7800FR MultiFrame
7800TR-32x24 Modular Tally Router
Revision 1.2 Page - 1
1 OVERVIEW
The 7800TR-32X24 is a Tally Router module that is housed in a 7700FR or 7800FR MultiFrame. It
provides an Ethernet-controlled interface for 32 General Purpose Outputs (GPOs) and 24 General
Purpose Inputs (GPIs). All General Purpose I/O (GPIO) are provided on two, 62-pin high density D-Sub
connectors on the rear plate. A gigabit 1000baseT Ethernet connection is used to configure and control
the unit.
The unit is configured with SNMP using the VistaLINK™ software. Advanced features such as edge
triggering on inputs, and variable-length pulse outputs are easily setup with the graphical user
interface. Each input or output can be set to normal logic (normally-open) or inverted logic (normally-
closed). In addition, the state of the inputs and outputs can be monitored or changed manually for
debugging purposes.
The Tally Router provides wet power on both of the rear 62-pin D-Sub connectors. This can be used to
power passive devices (tally lights, buttons, buzzers, etc) and to simplify wiring to GPIs and GPOs. The
wet power can be configured to come from either a 5V or 12V internal power source.
The MAGNUM control system with the MAGNUM-TALLY software module integrates the GPI and GPO
from the Tally Router into a single unified interface. The GPI and GPO of the Tally Router are
represented graphically as a virtual tally pin grid. Each GPI and GPO signal is given a source and
destination name. Custom triggers and behaviors can be easily setup to activate tally lights on
cameras, trigger Under Monitor Displays (UMDs), activate switchers, replay and record systems, and
more.
The 7800TR-32X24 occupies two slots in a 7700FR or 7800FR multiframe. The rear plate contains all
I/O connectors and is fixed to the rear of the frame. The 7800TR-32x24 module is hot-swappable from
the front of the frame. This means the module can be removed and re-inserted without disconnecting
the rear plate or any of the cabling.
Figure 1-1: 7800TR-32x24 with Accompanying Rear I/O Module (Rear plate)
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