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Kaleido-MX 4K (1RU)
Hardware Description & Installation Manual
Input Modules
Input module connectors on Kaleido-MX 4K 16 × 1 (same rear panel as Kaleido-MX 16 × 4)
The following table lists the function of each connector associated with the input modules.
GPI I/O Module
The GPI-1501 module supports 20 GPI inputs, and 8 configurable GPI input/output
terminals. The pinout of the associated DB-44 connector, labelled GPI-I/O, is as follows:
Connector label Connector type Function
3G/HD/SD IN 1 to
3G/HD/SD IN 16 DIN 1.0/2.3 SD-SDI, HD-SDI, or 3G-SDI video inputs
ABT/MADI IN DIN 1.0/2.3 Multiplexed audio from an external device (e.g., MADI
multiplexer, or Audio Bridge Terminal)
LTC IN DIN 1.0/2.3 Time code input
REF IN DIN 1.0/2.3 Reference signal to genlock the multiviewer to the
local plant.
Pin Signal Pin Signal Pin Signal Pin Signal
1 GPIO-1 + 12 GPI-I 7 23 RS422-TX + 34 GPIO-5 –
2 GPIO-3 – 13 GPI-I 4 24 GPI-I 19 35 GND
3 GPIO-4 + 14 GPI-I 1 25 GPI-I 17 36 GPIO-7 +
4 GPIO-6 – 15 GND 26 GPI-I 13 37 RS422-RX –
5 GPIO-7 – 16 GPIO-1 – 27 GPI-I 11 38 GPI-I 20 / LTC
6 GPIO-8 + 17 GPIO-2 + 28 GPI-I 8 39 GPI-I 16
7 RS422-TX – 18 GPIO-4 – 29 GPI-I 5 40 GPI-I 14
8 GPI-I 18 19 GPIO-5 + 30 GPI-I 2 41 GND
9 GPI-I 15 20 GPIO-6 + 31 GND 42 GPI-I 9
10 GPI-I 12 21 GPIO-8 – 32 GPIO-2 – 43 GPI-I 6
11 GPI-I 10 22 RS422-RX + 33 GPIO-3 + 44 GPI-I 3