Fiber 100Mb Ports, Int Jump Set For 100Mb Fixed - GarrettCom Magnum Quad-Series Installation And User Manual

Magnum Quad-Series Fiber Switches
See Section 4.4 for additional information on auto-negotiation functionality.
3.5 Fiber 100Mb ports, internal jumper settings for 100Mb fixed Half- or
Full-Duplex, per port
The factory (default) setting is for full-duplex on all fiber 100Mbps ports, which is
generally popular. FDX works well under most circumstances, but cannot always be
depended upon to work as expected. If full-duplex on 100Mbps will not function
properly in your setup, internal jumpers allow the mode of the Q-Series fiber
Jumper Settings for 10 or 100Mbps Fiber Half or Full Duplex
Jumper
JP1-2, 6-7, 9-10
JP1-2, 7-8, 11-12
9 10 11 12
J1
5 6 7 8
1 2 3 4
Printed Circuit card
1
2
3
4
Figure 3.5. Fiber ports, internal jumper settings.
Note: Be certain that the main power is disconnected before opening the unit or
changing any internal jumper setting
quad-ports to be fixed, even if the attached device may or may not support full-duplex.
This is desirable when there are unknown devices presently or potentially connected,
which will not operate correctly with full-duplex. Examples include hubs that support
only half-duplex by default.
Therefore, the default setting of full-duplex (fiber ports) is generally desirable
because it is widely used and allows for the connection of various devices without re-
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Function
Port
Pin 1-2, 6-7, 9-10
FDX @100 config
Pin 1-2, 7-8, 11-12
HDX@100config
Factory S ettings 100Mbps Full
J1
1 2 3
J1 J2
TOP
LED
Installation and User Guide (06/03)
Factory Settings
YES
NO
1
100Mbps Half
Duplex
J1
100 Mb
1 2 3
4 4
Jumper Settings for HDX/FDX
Bottom QPM Retaining
J3 J4
Two(50) Pin
QPM Connectors
(inserts into main board
21
Speed
100 Mb
100 Mb
Duplex
100 Mb
)