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KEY DIGITAL, Switchers

KD-MS8x8G-2

Control
IP, RS-232 (default TCP)
Encoding
ASCII
IP
TCP port 23
RS-232
57600 baud, 8N1
Line ending
CR
Roles
Switcher
More from this makerKD-MS4x4G-2

Commands

12 commands
INPUT4
INPUT 1 SPO A SI 01
Ending: cr
INPUT 2 SPO A SI 02
Ending: cr
INPUT 3 SPO A SI 03
Ending: cr
INPUT 4 SPO A SI 04
Ending: cr
ROUTING8
SEND IN TO OUT SPO %o SI %n
Ending: cr
OUT1 IN1 SPO 01 SI 01
Ending: cr
OUT1 IN2 SPO 01 SI 02
Ending: cr
OUT1 IN3 SPO 01 SI 03
Ending: cr
OUT1 IN4 SPO 01 SI 04
Ending: cr
AV SWITCH SPO %o SI %n
Ending: cr
AUDIO SWITCH SPO %o SA %n
Ending: cr
VIDEO SWITCH SPO %o SB %n
Ending: cr

Cheat sheet

driver.cheatSheet()

What it is

The Key Digital KD-MS8x8G-2 is an 8x8 4K 18G HDMI Matrix Switch with independent audio routing, digital optical, and analog balanced/unbalanced audio de-embedding. It is designed for routing and distributing 8 HDMI source signals to 8 displays.

Specs

Resolution: 4096x2160 or 3840x2160 24/25/30/60hz at 4:4:4 (signals up to 18Gbps bandwidth)

Frame Rate: 24/25/30/60hz

Signal Type: HDMI

Inputs: 8 HDMI Type A, 19 Pin Female

Outputs: 8 HDMI Type A, 19 Pin Female, 8 Balanced/unbalanced line level audio on 6-pin terminal block, 8 TOSlink optical digital audio

Setup

First Use: Connect HDMI sources to inputs, HDMI displays to outputs, analog/digital audio outputs to amplifiers/receivers/soundbars, control system to TCP/IP or RS-232, and power supply. Connect PC to USB micro port for configuration.

Video Optimization: EDID configuration via KDMS Pro software or control commands.

CEC: Not supported.

Control: KDMS Pro software (USB), Key Digital iOS App, Web UI, IR remote, RS-232, TCP/IP.

Support

Tech Support Phone: +1 914-667-9700 Opt 2 (Sales), +47 90250100 (Europe), +971 58 508 7788 (APAC/MENA)

Tech Support Email: sales@keydigital.com, sales@keydigitaleurope.eu, andrey@keydigital.com

Factory Reset: Press and hold Output 1 + Output 8 buttons simultaneously for 10 seconds on the front panel.

About this driver

driver.source()

Confirm each command on your device before you rely on it. Provided as is, with no warranty. To correct something or ask for it to come down, write to info@ctrlbot.io. Licensed CC BY 4.0: credit CTRLbot and link back when you share it. Product page. Manufacturer site.

Revision
1
Updated
2026-11-05
Catalog date
2026-11-12
License
CC-BY-4.0