Grass Valley Kaleido-MX (3RU) v.7.80 - Manual (Page 53)

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Kaleido-MX (3RU)
Hardware Description & Installation Manual
LTC Inputs
The Kaleido-MX (3RU) models support up to five unbalanced LTC inputs, for clock
synchronization.
Communication
GPI-1501 GPI I/O module
A GPI-1501 card supports 20 GPI inputs, and 8 configurable GPI inputs/outputs.
LTC Inputs (3, 4, or 5)
Signal SMPTE ST 309-1999, SMPTE ST 12-1995 (EBU-3259-E)
Level 500 mVp-p to 10 Vp-p
Impedance >12 k
Connector DIN 1.0/2.3
Ω
Ethernet (2, or 3)
Signal 10/100 BASE-T
Standard IEEE 802.3
Connector RJ-45
Serial ports (1, or 2)
Signal RS-422 (SMPTE ST 207, EBU-3245), RS-485
Connector RJ-45
USB (1, or 2)
Standard USB version 2.0
Peripherals supported Mouse, keyboard, memory stick
Connector USB type A
GPI INPUT (up to 40)
Description Contact closure to GND
Connector DB-44
Pull-up voltage 2.3 Volts
Source current 2 mA when input shorted
Low-level activation 0.8 Volts max
Over voltage 25 Volts max