INS_FDX4D_REV–
08/23/10
PAGE 1
INSTALLATION AND OPERATION MANUAL
FDX4D(M)(S)1
4 BI-DIRECTIONAL DATA CHANNELS
The ComNet™ FDX4D(M)(S)1 Series data transceiver series provide transmission
of four bi-directional data channels over one optical fiber and are ideal for use in
unconditioned roadside or out-of-plant installations. The data channels can be set
independently for RS232, RS422 and 2 or 4-wire RS485 with tri-state support. See
Figures 3 – 5
starting on
Page 3
for a description of data settings.
Each transceiver incorporates a bi-color (Red/Green) indicating LED for monitoring
proper system operation. See
Figure 6
on
Page 5
for LED Indicator explanations.
The FDX4D(M)(S)1 may be directly plugged into the ComNet Rack (Part C1) or can
operate as a standalone module. See
Figure A
on
Page 6
for mounting instructions.
See
Figures 1 – 6
for complete installation details.
