Detailed Product Description

The Model277/A Series converter is equipped with a multiple interface circuit that can handle RS-232 serial interfaces and multi-mode or single- mode fiber. Model277/A converters are used to extend serial transmission distance up to 2 km (multi-mode fiber) or up to 20-100km (single- mode fiber). Note that the RS-232 interfaces cannot be used on the same Model277/A at the same time to convert to fiber.Auto Baud Rate Detection
The Model277/A Series incorporates a method for automatically detecting the serial signal baud rate by hardware. This is an extremely convenient feature for the user. Even if a device's baud rate is changed, the signal will still be transmitted through the RS-232 to fiber converter without any problem.
Features
1.Auto sense serial signal rate, zero delay automatic transmit
2.Support 5V Volt input, consumption 2W
3.Internal or external power optional.
4.Multi-mode 2KM, signal-mode 20-100KM
Communication

Standard	Accord EIA RS-232standard
RS-232 signal	TX, RX, GND
Fiber signal	IN, OUT
Working format	Asynchronism, point to point
Direction control	Adopt automatic send data control , auto distinguish and control data transfer direction
Band rate	0-120Kbps, auto serial band rate test
Fiber wavelength	Multi-mode 850nm, signal-mode 1310nm
Electricity port transmission	RS-232 port 15M
Optic port transmission	Multi-mode 2KM, signal-mode 20-100KM                    Single-mode: 8.3/125, 8.7/125, 9/125, or 10/125 μm Multi-mode: 50/125, 62.5/125, or 100/140 μm
Loading	point to point
Interface protection	600W surge protection, 15KV ESD protection
Electricity port connector	DB-9 female
Optic port connector	Multi-mode adopt ST/SC connector, signal-mode adopt FC/ST/SC connector

Environment

Working temperature	-25 to 70
Storage temperature	-40 to 85
Humidity	Relative humidity 5% to 95%

Power

Input power	5VDC power supply
Consumption	2W

Dimension

L*W*H	100mm*69mm*22mm
Shell	Iron
Color	White
Weight	230g