Westermo ODW-621, Руководство пользователя

Страница: 8 / 20

8
6650-2223
STATUS
C
NO
NC
LED’s
Switches
CH 1
SFP
Fibre transceiver
TX
RX
Internal
Electronics
RS -232
SHIELD
DCD
RD
TD
SG
DSR
RTS
CTS
ODW-621
COM
COM
+VA O
V
P
+VB
POWER
O
V
P
Functional description
OVP Over Voltage Protection
OCP Over Current Protection
Converter serial interface – optical fibre
ODW-621 is a fibre optic modem that converts between electrical RS-232 and a fibre
optic link.
ODW-621 can also be used to convert from RS-232 to RS-485 by using one ODW-621
and one ODW-631.
Data rate up to 250 kbit/s
ODW-621 converts data using rates from 300 bit/s up to 250 kbit/s.