6
S4TEF10xx-10x
Installation
-- Continued
Switch Set #2 - Serial Options
6 - not in use
7 - not in use
8 - not in use
9 - not in use
switches 6, 7, 8, & 9 are not in use
9
8
7
6
10 - Fiber Loop-Back
up - Enables fiber loop-back.
down - disables fiber loop-back.
The loop-back setting is used for installation
and network debugging procedures. When
the fiber loop-back function is enabled, the
fiber port loops all T1/E1 signals from the
receive ports back to the transmit ports. The
loop-back test scenarios are described in
detail on page 17.
up
down
Disables Loop-Back
Enables Loop-Back
10
7
.
Installation
-- Continued
Hardware/Software Jumper
The hardware/software jumper is inside the media converter housing and is
located near the back end of the upper circuit board.
Hardware The media converter mode is determined by
the switch settings (see pages 3 - 6).
Software
The media converter mode is determined by
the most-recently saved, on-board
microprocessor settings.
Hardware Mode
Software Mode
S
H
S
H
To set the jumper:
1.
Using a small screwdriver, remove the four (4)
screws that secure the cover and carefully
remove the cover from the media converter.
2.
Locate the hardware/software jumper.
3.
Using small needle-nosed pliers or similar
device, move the jumper to the desired position
(see above).
4.
Carefully replace the cover on the media
converter and replace the four (4) screws that
secure the cover to the media converter.
Power the Media Converter
1.
Connect the barrel connector on the power adapter to the media
converter’s power port (located on the back of the media converter).
2.
Connect the power adapter plug to AC power.
3.
Verify that the media converter is powered by observing the illuminated
LED power indicator light.
NOTE: For DC power, consult the user’s guide for the Transition Networks
SPS1872-xx DC external power supply.
hardware/software
jumper
