Pearl Nexus Tech specs

Video inputs

Local video inputs:1(1) 3G SDI
(2) HDMI™ 1.4a2
(2) USB 3.0 (UVC)3 – rear panel
Video over Ethernet:3(1) RTSP
(1) SRT (push)
(2) NDI|HX
(1) Browser
Connectors:(2) HDMI type A (female)
(1) BNC (female)
(2) USB-A (female) – rear panel
(1) RJ-45 (female)
Aspect ratios:3:2, 4:3, 16:9, 16:10, and custom aspect ratios
Standard resolutions:PAL, PAL wide, NTSC, NTSC wide
Input resolution range:640×480 to 1920×1200
Frame rate:Up to 60 fps
Video input color spaces:HDMI: RGB 4:4:4, YCRCB 4:2:2, YCRCB 4:4:4
SDI: RGB 4:4:4, YCRCB 4:2:2
Maximum cable length for 3G-SDI:300 ft
Maximum cable length for USB 3.0:6 ft

Audio inputs

Analog audio inputs:(2) XLR mic level/pro line level (+4.0 dBu) up to 12.3 VRMS +24 dBu (balanced/unbalanced, mono or L/R stereo pair); phantom optional
(2) 1/4″ TRS pro line level (+4.0 dBu) up to to 12.3 VRMS, +24 dBu (balanced/unbalanced, mono or two L/R stereo pairs)
(1) RCA consumer line level -10 dBV (L/R stereo pair)
(1) 3.5 mm stereo input for electret microphones (unbalanced)
Connectors:(2) XLR/TRS combo jacks (female)
(2) RCA (female)
(1) 3.5 mm (female) – rear panel
Digital audio inputs:4(1) SDI5
(2) HDMI
(2) USB (rear panel)
(1) RTSP (from RTSP input over Ethernet)
(1) SRT (from SRT input over Ethernet)
Connectors:(2) HDMI type A (female)
(1) BNC (female)
(2) USB-A (female) – rear panel
(1) RJ-45 (female)
Audio gain control:0 dB to +30 dB
Audio mute:Yes
Configurable audio delay:-300 ms to +300 ms

Video processing

Video output color space:4:2:0, 8 bits per color
Video codec:H.264/AVC (ITU H.264, ISO/IEC 14496-10) 4:2:0, 8-bit color
– Encoding profile: High, Main, Baseline
– Profile levels: 3.0, 3.1,3.2,4.0,4.1
Motion JPEG
Bitrate:1 to 50 Mbps (selectable)
Bitrate control:Constant
Hardware accelerated video encoding:Optional
Video scaling:Software
Key frames:1/2 s and 1 s up to 5 s in 1-second intervals
Remote access:Remote login for rescue troubleshooting and control.
Cloud versions of the Admin panel and Epiphan Live available for Internet access.

Audio processing

Compression:MP3, AAC, and PCM
Sampling rate:MP3: 22 kHz, 44 kHz, 48 kHz
AAC: 16 kHz, 22 kHz, 44 kHz, 48 kHz
PCM: 22 kHz, 44 kHz, 48 kHz
Bitrate:64 to 320 kbps (MP3 and AAC)

Video output

Signal types:(1) HDMI 1.4a
(3) H.264/AVC digital video over Ethernet
Connectors:(1) HDMI
(1) RJ-45 (female)
Encoded channels:Up to three 1080p channels at 30 fps with one full HD video source per channel (recommended)
Streaming protocols:MPEG-TS, and FLV
SRT (push) over UDP
HLS (push) over HTTP/HTTPS
Multi-publish to streaming server / CDN (SRT, RTSP, RTMP, RTMPS)
HLS (pull) – Native Apple HTTP/HTTPS stream for iPad, iPhone and iPod Touch
Multicast streams:RTP, MPEG-TS & RTP, and MPEG-TS over UDP and SAP
Resolution ranges:Recorded: 480p to 1920×1200p
Confidence monitoring: 480p to 1920×1200p
Streamed: 480p to 1920×1200p
Frame rate:Up to 60 fps
Formats:H.264/AVC (ITU H.264, ISO/IEC 14496-10) 4:2:0, 8-bit color
– Encoding profile: High, Main, Baseline
– Profile levels: 3.0, 3.1,3.2,4.0,4.1
Motion JPEG
Network traffic shaping (multicast streams):4 Mbps to 95 Mbps (configurable)

Audio output

Analog audio output:(1) 3.5 mm stereo headphone jack – front panel
Digital audio outputs:RTSP and SRT audio over Ethernet
HLS audio over HTTP/HTTPS
HDMI audio (embedded)

Monitor and control

USB keyboard:Connect a standard USB keyboard (optional)
USB status light:Connect a single USB status light (optional); supported models:
– Kuando BusyLight UC Alpha and UC Omega
– Delcom Products USB HID single-color and multi-color signal indicators

Recording and storage

Record formats:AVI, MOV, MP4, and MPEG-TS
File upload formats:JPEG, PNG
Internal storage:1 TB SSD
SD card:Available in future firmware6
File system for SD card:TBD
File transfer protocols:FTP, SFTP, SCP, AWS S3 client, and WebDAV client RSync
Network file share protocols:CIFS/SMB
File system for USB storage:FAT16, FAT32, XFS, EXT2, EXT3, EXT4, NTFS
External USB ports:(1) USB 3.0 0.9A – front panel
(2) USB 3.0 0.9A (UAV/UAC) – rear panel
Bitrate:Up to 50 Mbps


USB standards:USB 1.1, USB 2.0, and USB 3.0
HDCP compliant
Serial port:(1) Bidirectional RS-232 (via a USB to serial adapter)
Serial protocols:Data bits: 7 or 8 (default)
Stop bits: 1
Parity: None
Flow control: None, Hardware or Software
Serial port baud rate:19200 bps
Ethernet host port:(1) RJ-45 (female)
Ethernet data rate:10/100/1000 Base-T, half/full duplex with autodetect
Maximum Transmission Unit:68 to 1500 MTU (configurable)
Network discovery/announce:SAP

Network security

802.1x EAP methods:PEAP, EAP-TLS, EAP-TTLS

Administration and control

Admin panel:Local web UI for full administration.
Epiphan Live:Local web-based UI to easily control streaming, recording, and switching.
Secure access:Multiple user accounts and passwords.
HTTPS for secure Admin panel and Epiphan Live access, as well as local network access to the live channel broadcast.
Remote access:Epiphan Cloud™ for remote device management and remote login7.
API:Yes (HTTP/HTTPS or RS-232)


Content management systems:Kaltura
Cloud access and management:
Epiphan Edge
Control platforms:Crestron:

AC/DC power adapter

Model:ADP 60KD BA
Input power rating:90 to 240 VAC, 47 to 63 Hz
Output power rating:12 VDC, 5.0 A, 60 W
Active efficiency (average):88%
Efficiency (10% load):95%
No load consumption:0.21 W
Power adapter manufacturer:Delta Electronics Inc.
3 Tungyuan Road, Chungli Industrial Zone, Taouyan City 32063, Taiwan


Operating temperature:32° to 104° F (0° to 40° C)
Cooling:Fan air flow: side to side
Form factor:1RU (Rackmount Unit) with detachable mounts
Dimensions ( W × D × H ):19” × 7 1/2” × 1 3/4” (483 mm × 190 mm × 43 mm)
Rackmount brackets installed, rubber feet removed
Weight:5.3 lbs (2.4 kg)
Power supply:External: 1.5 A, 100-240 VAC, 50 to 60 Hz (60 W); 1.3 A, 100-240 VAC, 50 to 60 Hz (84 W)
Input power rating:12 VDC, 5.0 A (maximum / 60 W PSU); 12 VDC, 7.0 A (maximum / 84 W PSU)
Regulatory compliance:FCC compliance: Part 15
CE compliance:
Directive 2014/30/EU – Electromagnetic Compatibility
Directive 2014/35/EU – Low Voltage Directive
Directive 2011/65/EU – RoHS
1Pearl Nexus supports up to three HD video sources in a single channel with two picture in picture layouts under certain conditions.
2HDCP compliant.
3You can connect a USB, RTSP, or an SRT source to Pearl Mini; however, using multiple digital sources can affect performance depending on your setup. If you experience performance issues, check CPU usage and take remedial actions like: remove some configured layouts, reduce the channel’s frame rate, or remove a video input.
4Digital audio is de-embedded from the digital source.
5SD-SDI audio is not supported.
6SD card slot will be available for use in future firmware versions. SD cards will be reserved for system use and not for transferring files to other devices. Use a USB memory device or network file transfers. Recording space can be virtually unlimited with offload to networked storage.
7Remote login requires an Epiphan Cloud Pro account.