C
ONVERTER
RS-232, RS-422, RS-485
O
PERATION
M
ANUAL
IOA55-1c
August
2009
9
2. Connectors and signalling parts
The following schematics show the front and lower panel view of the TR-55 converter,
where connectors and signalling parts have been placed.
Figure 2. Front panel view of the TR-55 double-fibre converter with two optical ports
Figure 3. Front panel view of the TR-55 double-fibre converter with one optical port
TR
-5
5
6-60V DC
Optical connectors
Transmitter
er
Receiver
RJ45 signal connector
Power connector and
ground
TR-55
6-60V DC
Optical connector
Transmitter
Receiver
RJ45 signal connector
Power connector
and ground
TR-55
RS RS
RS
232 422
485
1.
2.
3.
4.
5.
6.
7.
8.
9.
TXD+
TXD-
RXD+
RXD-
TXD
RXD
D+
D-
GND
SHIELD
6-60 VDC
Optical connector
Transmitter
Receiver
Signal connector and
power connector
TR-5
5
RS RS RS
232 422 485
1.
2.
3.
4.
5.
6.
7.
8.
9.
TXD+
TXD-
RXD+
RXD-
TXD
RXD
D+
D-
GND
SHIELD
6-60 VDC
Transmitter
Receiver
Signal connector and
power connector
Optical connectors
