UT-277SM/MM, Custom 460KBPS, RS-232 / 422 / 485 to optical media Fiber to Serial Converter

Interface

Supports?RS-232/RS-485/RS-422?interfaces

Asynchronic?transmission

point-to-point?with?a?rate?as?high?as?460KBPS

Transmission?distance

4,000?meters?for?multi-mode?and?20,000?meters?for?single-mode

Working?temperature

-40℃?to?80℃,?relative?humidity?from?5%?to?95%

Working?wave?length

1310nm?(multi-mode)?and?1310nm(single-mode)

Electric?interfaces

RS-232:?pole-shaped?connector.

RS-485/422:?pole-shaped?connector

Fiber?interface

ST?interface?(SC/FC?interface?can?be?customed)

RS-232?interface?features

Standard?RS-232?three?line?interface?15KV(anti-static),?ESD?protection,?maximum?rate

?of?460KBPS.

Input?voltage?DC9-48V@350mA

RS-485/422?interface?features

Self-adaptive?interface?technology?enables?the?self?adaptation?of?rate?regulation?from?interface,

?no?switch?needed,?and?the?15KV(antistatic)?ESD?protect?supports?as?much?as?32?points?

of?polling.and 600W?surge?protection?each?line?for?RS-422?and?RS-485?interfaces

Connector

(PIN)

Signal

RS-422Full-duplex

RS-422Full-duplex

1

T/R+

Send(A+)

RS-485?(A+)

2

T/R-

Send(B-)

RS-485?(B-)

3

RXD+

RXD(A+)

N/C

4

RXD+

RXD(B-)

N/C

5

TXD

RS-232(Send)

6

RXD

RS-232(RXD)

7

GND

RS-232(GND)

8

VCC

Power?input?(DC9-48V)

9

GND

GND

10

ETH

ETH