Hollyland SYSCOM 421 Quick start guide
SYSCOM 421
USER NOTE
V1.0, 07/16/2020
PRODUCT FEATURES
1. 4 TX Synchronized A&V Transmission
2. Up to 1,800ft Range
3. 0.07S Latency
4. SDI + HDMI Input & Output
5. 1080PFull HD
6. RS422/RS485 Control
7. Tally Control
8. RTSP(Real-Time Streaming Protocol) Streaming
PRODUCT PARAMETERS
TRANSIMITTER RECEIVER
Interface
1*HDMI Input
1*SDI Input
4*Antenna( RP-SMAMale)
DC Input, USB port (Type C)
Channel button
RS485/ RS422 port、1000M-RJ45 port
OLED
TALLY output
4*HDMI Output
4*SDI Output
4*Antenna( RP-SMAMale)
DC Input, USB port (type C
Pairing button, Channel button
RS485/ RS422 port、1000M-RJ45 port
Power Supply Range 7-36V DC 7-36V DC
Power Consumption <10W <26W
Net Weight 467g 1539g
Size(mm) (L x W x H): 144*88*28mm (L x W x H): 222*144*22mm
Frequency 5.1-5.9GHz
SDI: 3G, HD, and SD-SDI, SMPTE-259/274/292/372/424/425
Modulation Mode OFDM
Transmit Power Max 23dBm
Bandwidth 40MHz
TRANSMITTER INTERFACE
TX 4*Antennas
OLED Screen + Button
L-Series Battery Mount
TRANSMITTER INTERFACE
TALLY OUT Interface
HDMI IN Interface
TYPE C Upgrade Interface
SDI IN Interface
2-Pin Lemo Interface
Cooling Fan
RS422/485
RJ45 Interface
RECEIVER INTERFACE
RX 4* Antenna
OLED Screen
V - Mount Battery Plate
RECEIVER INTERFACE
RS485/422 Interface
HDMI OUT x4
RJ45 Interface
SDI OUT x4
2-Pin Lemo Interface
TYPE C Interface
Power Switch
CONNECTION DIAGRAM
OLED DISPLAY
RECEIVER
•Signal Strength
•Scene Mode
•Device SSID
•Power Supply Voltage
•Video Format
•Channel Display
TRANSMITTER
•Signal Strength
•Channel Display
•Device SSID
•Power Supply Voltage
•Video Format
TRANSMITTER MENU PICTURE MODE: prioritize the video monitoring over
image quality when there is interference.
BALANCE MODE: balance the image quality and latency of
the video monitoring when there is interference.
SPEED MODE: prioritize the video monitoring over low
latency when there is interference.
LANGUAGE: support multiple languages
SERIAL PORT: RSS422/RS485 and BAUD RATE settings
PAIR: pair the transmitter and the receiver
RESET DEFAULTS: reset the device to default settings.
Long-press the “OK” button
to enter the root menu on the
transmitter
RECEIVER MENU
CHANNEL SCAN: Channels with “X” indicate that they
are with interference
LANGUAGE: support multiple languages
SERIAL PORT: RSS422/RS485 and BAUD RATE settings
PAIR: pair the transmitter and the receiver
RESET: reset the device to default settings
Long-press the “OK” button
to enter the root menu on the
receiver
FAQ
1. How to switch to a different channel?
Press the “ Up” or “ Down” button on the Transimtter and Press “OK” button to confirm selection.
2. How to choose a clean channel?
•Go to the menu of the Receiver
•Select “Channel Scan”
•Choose the frequency with “√”
3. What is function of RS485/RS422 Interface?
This feature is designed for PTZ camera wireless control.
4. What is the function of the RJ45 interface?
It is designed for RTSPstreaming and PTZ camera wireless control.
THANK YOU
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