Humanity 2channel SDI video RS485 data over fiber optical multiplexer support 1080p video

$350.00 - $1,000.00
Min. Order
1 Pair
Choose your specifications
Company Information

Beijing Human Information Technology Co., Ltd.

CN Trading Company
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Response Rate:
US$ 4,000+
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Quick Details

Port: Beijing
Payment Terms: T/T,Western Union,MoneyGram
Supply Ability: 1500 Pair/Pairs per Week
Place of Origin: Beijing China
Brand Name: Humanity
video: 2channel video with BNC
type: SD/HD SDI
RS485: 1channel RS485
other services: audio, contact closure, data
optical default: singe fiber, single mode, 20km, FC
optical module: customized
Power: DC12V
Packaging Detail: one unit per box

HM-SV621N SD/HD SDI video multiplexer realizes 2channel SD/HD SDI signal, 1channel RS485 and other customized flexible services over fiber optical line. It is widely used in live television broadcast, HD video conference, HD video monitor etc.

One transmitter and one receiver is included as one pair to realize the function. Transmitter is with box type, receiver is available for box type or card type in chassis with 19inch 4U. Chassis are available for 16pcs hot swappable cards and with CLI and SNMP NMS for easy maintenance.


Main Features

Comply with SMPTE-292M HD-SDI and SMPTE-259M SD-SDI standard, support 1485Mb/s and 270Mb/s

Support 1080p@30, 25,24,29.97,23.98, 1080I@59.94,60,50, 720P@59.94, 60, 50, 30, 29.97,25, 24, 23.98 and 625i,525i

One extra service slot available for customized services, including audio, data, contact closure.

With cable equalization function to make up transmission loss.

Build-in ESD protection circuit and protect from static damage.

Support optical loss, remote power detection alarm, output signal status alarm etc.

APC circuit with stable TX power and wide dynamic range.


Technical Parameters




Connector: BNC

Signal format: HD/SD SDI video

Impedance: 75Ω

Rate: auto-adapt 1.485Gb/s or 270Mb/s

Return loss>15dB

Lightening-protection voltage:

not less than (1.2/50us)+4.0KV

Lightening-protection current:

not less than (8/20us)+1.0KA

Connector: terminal block

1channel reversed RS485

Half duplex

Rate: 115.2Kb/s

Error rate: <10-9

Working mode: half duplex

Extra Service

Available customized services for option

Connector: terminal block

The services are customized according to different requirement.

Available for option services:

* 2channel forward/reversed audio

* 4channel forward/reversed audio

* 1channel bidirectional audio

* 2channel forward/reversed contact closure

* 1channel bidirectional RS422

* 2channel bidirectional RS485

* 1channel bidirectional RS232




Single fiber, SM, FC, 1310nm, 20km(Default)

Customized optical specifications

Device with DC12V, AC/DC power adapter offered

Working temperature: -20~ 70℃

Storage temperature: -40~80℃

Relative humidity: ≤95%, non-condensing



Application Diagram

flexible over fiber.jpg


Contact Us

Beijing Human Information Technology Co.,Ltd.


Contact: Nancy Liu

Skype: converter110

E-mail: nancy@hm-it. com

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