Installation manual
Table Of Contents
- 1 Kaleido-Alto & Kaleido-Quad
- 2 Installation
- 2.1 Unpacking
- 2.2 Mechanical Installation
- 2.3 Power Connection
- 2.4 Signal and Control Connections
- 2.4.1 HD-SDI Video Inputs
- 2.4.2 SD-SDI Video Inputs
- 2.4.3 Composite Video Inputs
- 2.4.4 DVI Input
- 2.4.5 DVI Resolutions Supported with a KXI-DVI-Bridge Connected to the Kaleido’s HD-SDI Input
- 2.4.6 Analog Audio Inputs (Optional Alto-SA Mezzanine with 10 or 4 Inputs)
- 2.4.7 Digital Audio Input (Optional Alto-AES Mezzanine)
- 2.4.8 PC Audio Input
- 2.4.9 Component Analog (RGBHV) Output
- 2.4.10 DVI Output
- 2.4.11 Audio Monitoring Output
- 2.4.12 GPI Inputs /Outputs
- 2.4.13 Ethernet
- 2.4.14 USB
- 2.5 Dual power supplies (Optional)
- 2.6 Multiple Kaleido-Alto/Quad Installations
- 3 Operation
- 4 Technical Specifications
- Annex – Kaleido Display Resolution
- Contact Us!

Installation Manual
GPI input characteristics:
Signal: 20 short-to-ground inputs
Connector: DB-44S
GPI output characteristics:
Signal: 10 opto-isolated contact
closures
Connector: DB-44S
Characteristics:
• Max differential voltage: 12 VDC
• Max sink current: 70 mA
• Isolation voltage: 2500 VRMS
Figure 2.4.10 GPI I/O characteristics
RS-422 A
DE-9S connector for connecting remote control devices such as routers or the Kaleido-RCP (12V is supplied
through pin 5 to the Kaleido-RCP).
Figure 2.4.11 RS-422 A Connector pinout
RS-232
DE-9P connector to connect to router status information sources for tracking UMDs or inputting time code using
a device such as Miranda’s “Little Red”.
Figure 2.4.12 RS-232 Connector pinout
12 | Kaleido-Alto & Kaleido-Quad