■ 8K/60p YCbCr 4:2:0(12-bit), 4K/120p YCbCr 4:4:4(12-bit) transmission by HDMI 2.1
■ 4K/60p is transmitted by one channel of 12G-SDI.
■ Max.4 slot-type interface units can be selected from HDMI 2.1, 12G-SDI, HDMI2.0b 3G or 6G, 
  DisplayPort 1.2a, V-by-One and Analog.
■ By synchronizing 4 or 2 units of VG-879, 8K/120p or 8K/60p signals are supported by V-by-One® HS.
■ HDMI 2.1 test functions supported
  CTA-861-G Timing Format including 8K/60p YCbCr 4:2:0 and 4K/120p YCbCr 4:4:4
  eARC/ARC status check
  SCDC, FRL link status check

  ITU-R BT.2020 color bar and video output setting
  HDR Test Patterns supported
  HDCP 1.4/2.3 certification test
■ HDMI 2.1 Pre Compliance Test (MOI) 
■ High bit Rate Audio Generation (VT-8500-0006)
■ Optional 8K Evaluation Image(VT-7010).


HDMI 2.1 unit (VM-1876B-MD)

■ Signal generation by FRL (Max.48Gbps) and TMDS (Max. 18Gbps) modes.
■ Uncompressed 8K/60p YCbCr4:2:0 and 4K/120p YCbCr4:4:4 signal.
■ HDCP1.4/2.3
■ Supports DSC1.2.
■ HDMI2.1 Compliance Test.

HDMI x 1
Data RateMax. 48Gbps (FRL), Max 18Gbps (TMDS)
Video Timing StandardRGB, YCbCr 4:4:4, 4:2:2, 4:2:0
Color Depth8, 10, 12, bit
HDCPVer. 2.3 / 1.4
Audio FormatHDMI : L-PCM, AAC, AC3
            Option : VT-8500-0006 (Dolby Digital Plus, DTS HD, etc.)
COAX OUT : for ARC and eARC

HDMI 6G & HDCP2.3 unit (VM-1876-M8)

■ 4K/60p (RGB/YCBCR 4:4:4) output from each channel.
■ HDCP2.3 and 1.4 are selectable.
■ HDMI2.0 Compliance Test (CTS).

HDMI x 2ch (CEC, 3D, ARC, HDCP(1.4&2.3) supported)
Timing formatCEA-861F (except VIC91 and 92)
Standard timings only.
Pixel clockMax. 600MHz (Max. 6Gbps)
AudioOutputHDMI : 8ch
InternalSine wave, Compressed Audio (AAC/AC3 and optional HBR audio)

HDMI unit (VM-1876-M7)

■ 4K/60p(YCBCR 4:2:0) output is supported.
■ 8K/30p is supported by using 4ch.
■ HDCP2.3 and 1.4 are supported. (following sink capability)

HDMI x 4ch (CEC, 3D, ARC)
Timing formatCEA-861F (max. 300MHz or 4K 4:2:0 format) Standard Timings only.
Dot Clock(Data Rate)Max. 300MHz (Max. 3Gbps)
HDCPVer1.4 and Ver2.3
AudioOutputHDMI : 8ch
InternalSine wave, Compressed Audio (AAC/AC3 and optional HBR audio)

HDMI 3G unit (VM-1876A-M0)

■ 4K/60p(YCBCR 4:2:0) output is supported.
■ 8K/30p is supported by using 4ch.
■ HDCP1.4 is supported.

HDMI x 4ch (CEC, 3D, ARC, HDCP(1.4) supported)
Timing format
CEA-861F (max. 300MHz or 4K 4:2:0 format) Programmable timings.
Dot Clock(Data Rate)
Max. 300MHz (Max. 3Gbps)
HDMI : 8ch, COAX : 1ch (for ARC test)
InternalSine wave, Compressed Audio (AAC/AC3 and optional HBR audio)

DisplayPort unit (VM-1876A-M1)

■ DisplayPort Ver.1.2a based. 4K/60p is transmitted by single channel.
■ SST (Single Stream Transport) and MST (Multi Stream Transport) are supported.
■ 4K/120p output is available by using 2 ports.
■ HDCP is not supported.

Timing format
VESA DisplayPort Standard Ver.1.2a
Dot Clock(Data Rate)
Max. 600MHz
Video Format
RGB, YCBCR 4:4:4 / 4:2:2
Color Depth
8,10,12-bit (*Only YCBCR 12-bit is available on 12-bit output)
DisplayPort (8ch)

V-by-One HS unit (VM-1876-M2)

■ 4K/120p and 8K/30p are transmitted by one unit.
■ 8K/120p (4 pcs of 4K/120p) is transmitted by 4 slot units in one VG-879.
■ This unit requires custom made cables.  Please contact your local agents for details.

4ch (4Lanes per channel, maximum 16Lanes by all 4ch)
Dot clock8bit/10bit : 20 to 85MHz per lane, 12bit : 20 to 75MHz per lane
Colors8, 10, 12bit
FormatRGB, YCBCR 4:4:4

12G-SDI unit (VM-1876-MB)

■ 4K/60p is transmitted by one channel of 12G-SDI, two channels of 6G-SDI or four channels of 3G-SDI.
■ The payload is editable.
■ Eight channels of audio and time code packet can be embedded.
■ This unit is installed in VG-879 only.

Video Out



Video Format

12G-SDI SMPTE 2082-0
6G-SDI SMPTE 2081-0
3G-SDI SMPTE 425M, 428.1M
HD-SDI SMPTE 274M, 296M, 372M, 428.1M
Color depth10, 12-bit (depends on timing format)
Audio Out48kHz sampling (Max. 8ch embedded)
PayloadSMPTE 352M
Time CodeFree-run time code

HDBaseT Unit (VM-1876-MC)

■ HDBaseT2.0(HDMI1.4) compliant. 4K/30p and 1080p signal can be transmitted by single LAN cable.


4ch (RJ-45/LAN) 


HDMIVer1.4b (CEA-861-E)

TMDS Clock

Max. 300MHz

Video Format

RGB, YCbCr4:4:4, 4:2:2, 4:2:0


SourceInternal sine wave, Compressed audio

iTMDS Unit (VM-1876-M9)

■ Able to support 4K/60p by one unit, 4K/120p (Cross split, Vertical 4-Split) by two units.
■ 4K/60p LVDS output is possible by using two sets of IA-1540 converter.

Video Out DVI-I (Digital output only)
Dual Link×2

Dot Clock

DVI Mode8-bit25-165MHz: Single Link
50-330MHz: Dual Link
iTMDS Mode8 to 10-bit25-165MHz: Single Link
50-330MHz: Dual Link
12-bit25-150MHz: Single Link
50-330MHz: Dual Link
Multi channel Mode10 to 16-bit25-165MHz: Dual Link
50-330MHz: Quad Link
4K×2K (Full HD 240MHz) mode8 to 12-bit297-660MHz: Quad Link
Timing SettinglimitationCross split: setting unit 4 dot, 2 line
Vertical 4-Split: setting unit 8 dot, 1 line
Video FormatRGB / YCBCR 4:4:4

Analog unit (VM-1876-MA)

Video Out
Component, Composite, VGA
Colors (MAX)RGB each 8-bit
Dot Clock5 to 165MHz
HDTV1080p / 1080i / 720p
PCProgrammable / Internal Timing
FunctionsTeletext, Closed Caption, V-chip, Macrovision (Option)
Audio OutInterfaceRCA×2ch
Channel2ch L / R
Frequency32, 44.1, 48, 88.2, 96, 176.4, 192kHz
Output Level0 to 4000mV

Synchronizing unit (VM-1876-MX)

■ 8K/120p timing is output by synchronizing four units of VG-879 by V-by-One® HS.
■ Please install one video interface and one synchronizing unit in each VG-879.

InterfaceMultilink Input×1ch, Output×1ch

VG-879 (General Specification)

General specification
Power voltage
AC100 to 240V, 50/60Hz
Power consumption260W MAX
Dimensions430(w)x177(H)x310(D)mm (excluding projected parts)
Operating temperature range+5 to 40℃
Operating humidity range20 to 80% (no condensation)

Rear View


■ TIFF 10/12-bit image converting software (SP-8871)
■ HDMI One Bit Audio and High Bit Rate Audio (VT-8500-0006)
■ MPEG-4 AAC Audio (22.2ch supported) (VT-8500-0021)
■ Luminance measuring software for Konica Minolta Spectroradiometer CS-2000 (SP-8870-BM)
■ 8K/4K HDR Image Library with 8K Monoscope (VT-7010) [Data Sheet]
■ 8K/4K HDR Image Library with HDR scale patterns (VT-7009) [Data Sheet]
■ ITU-R BT.2020 (8K and 4K)  Image Library (ITE images) (VT-7007) [Data Sheet]
■ Dolby Vision Image Library (VT-7012)
■ HDR10+ Test Programs (VT-7013)
■ DVI/iTMDS to LVDS converter (IA-1540)


Description video

*How to upgrade firmware

*How to select timings

*How to test HDCP

*How to test EDID