3onedata 277 Series Quick Installation Manual

MODEL277 Series
Serial Port to Fiber MODEM
Quick Installation Manual
3onedata Co., Ltd.
Address: 3/B, Zone 1, Baiwangxin High Technology
Industrial Park, Song Bai Road, Nanshan
District, Shenzhen, 518108, China
Website: www.3onedata.com
Tel: +86 0755-26702688
Fax: +86 0755-26703485

【Package Checklist】

Please check the integrity of package and accessories before
using the product.
1. Serial port to fiber MODEM
3. Quick installation manual
5. 5VDC power supply adapter or 220VAC power supply
cord
If any of these items are damaged or lost, please contact our
company or dealers, we will solve it ASAP.

【Product Overview】

The series products are serial port to fiber MODEM that
converts RS-232/485/422 serial port signal to optical signal.
Models as follows:
Model I. MODEL277 (1 RS-232/485/422 + 1 fiber port)
Model II. MODEL277A (1 RS-232 + 1 fiber port)
Model III. MODEL277B (1 RS-485/422 + 1 fiber port)

【Panel Design】

Front view and Side view

2. Warranty card
4. Certification
Top view

Bottom view

External power supply:
Built-in power supply:
1. Power supply indicator
2. Fiber port receiving data indicator
3. Fiber port sending data indicator
4. Mounting lug
5. Fiber port
6. RS-232 serial port (DB9F)
7. RS-485/422 serial port
8. 12~48VDC power supply input terminal
9. RS-232/485/422 serial port (terminal block)
10. 5VDC power supply input (round-head)
11. -48VDC power supply input terminal
12. 220VAC power supply input socket and switch

【Mounting Dimension】