2
24-Hour Technical Support:
1-800-260-1312
-- International:
00-1-952-941-7600
CRS2F31xx-100
Installation
CAUTION:
Wear a grounding device and observe electrostatic discharge
precautions when setting the switches and jumper.
Failure to observe this
caution could result in damage to, and subsequent failure of, the media
converter.
Set the DTE/DCE Switch
The DTE/DCE switch is located on the side of the media converter. How the
DTE/DCE switch is set depends on the type of device connected to the media
converter:
•
DTE
(Data Terminal Equipment).
•
DCE
(Data Communication Equipment).
... and the type of RS-232 cable:
•
Straight-through
configuration cable.
•
Null-modem
configuration cable.
Using Straight-Through RS-232 Cable
DTE Configuration
SRS2F31xx-100
switch set to
DTE
SRS2F31xx-100
switch set to DCE
DTE
device
DCE
device
straight-through
RS-232 cable
straight-through
RS-232 cable
Set the switch to
DTE
configuration
if the media
converter is connected to a
DCE
device via a
straight-
through
RS-232 cable.
Set the switch to
DCE
configuration
if the media
converter is connected to a
DTE
device via a
straight-
through
RS-232 cable.
DCE Configuration
-- Click the
“Transition Now”
link for a live Web chat.
3
Set the Loop-Back Switch
The loop-back switch is located on the front panel of the media converter and
is used to debug network faults. (See page 10 in the “Troubleshooting”
section.)
To set the switch, use a small flat-blade
screwdriver or a similar device.
Norm
Set the switch to “Norm” for
normal operation.
Loop
Set the switch to “Loop” to
enable both fiber and copper
loop-back.
Normal
Operation:
Norm
Loop
Fiber and Copper
Loop-Back:
Norm
Loop
Installation
-- Continued
Using Null-Modem RS-232 Cable
DCE Configuration
SRS2F31xx-100
switch set to
DCE
SRS2F31xx-100
switch set to DTE
DTE
device
DCE
device
null-modem
RS-232 cable
null-modem
RS-232 cable
Set the switch to
DCE
configuration
if the media
converter is connected to a
DCE
device via a
null-modem
RS-232 cable.
Set the switch to
DTE
configuration
if the media
converter is connected to a
DTE
device via a
null-modem
RS-232 cable.
DTE Configuration
