HDSD9545DLY - PRO Profanity Bypass Delay Manual
INSTALLATION
Revision
1.3.7
Page 2-3
2.1.5. Serial I/O and GPI/O Connections
REMOTE CTL
This 9 pin female D connector provides an RS-232 serial interface used for updating the
firmware. This port is wired at the factory as an RS232 DCE port as shown in Table 2-1.
Pin
#
Name Description
1 GND
Chassis
ground
2
TxD
RS-232 Transmit Output
3
RxD
RS-232 Receive Input
4
5
Sig Gnd
RS-232 Signal Ground
6
7
RTS
RS-232 RTS Input
8
CTS
RS-232 CTS Output
9
Table 2-1: Remote CTL Port Pin Definitions
GPI/O
This female DB-25 pin connector provides 8 General Purpose Opto-isolated inputs (GPIs) and
4 General Purpose isolated relay outputs (GPOs).
Vint
pr5Volts from the unit and
Vext
is used to provide external power to the opto-isolators. Typically
Vint
and
Vext
are
connected together so that the isolators may be powered from the unit. Table 2-2 shows the
pin definitions of the GPIO connector. Figure 2-2 shows a schematic of the GPIO circuitry.
See section 2.7 for more information on connecting the General Purpose inputs and outputs.
The GPIs are used as additional triggers to initiate a transition such as a video and/or audio
switch. The GPOs are used to trigger external devices and a transition tally capability. The
GPI and GPO functions can be programmed using the
TRANSITION
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