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Magnum Quad-Series Fiber Switches Installation and User Guide (06/03)
FDX/HDX LED to indicate full-duplex mode when lit (or half-duplex when off), and a
“s
For the QPM-RJ45 Crossover Push-button -
peed” LED indicating 100Mb when lit (or 10 Mbps when off).
Important Note:
kstations and user node connections. OUT for wor
connections to other hubs, switches, etc. IN for Up-Link
(TP crossover push-button DOWN) are per the standard
wiring: 1 = receive+, 2 = receive-, 3 = transmit+, 6 =
. When the TP crossover push-button is UP, the pins
andard for up-links using twisted pair wiring, i.e., the
airs are exchanged: 1 = transmit+, 2 = transmit-, 3 =
not used.
r SC
tances up the IEEE-
andard 100Mbps distance limits, i.e., typically 2km at full-duplex and 412m at half-
y d a jumper on the
rece
whe
off).
Mbp
The RJ-45 pins normally
for hubs-to-users twisted pair
transmit-, other pins not used
of the RJ-45 port are per the st
transmit and the receive p
receive+, 6 = receive-, other pins
5.2.7 QPRJ-MSC, “3 + 1” 3@10/100Mb RJ-45 and 1@100Mb Fibe
Multi-mode Connector, “Combo” Quad-Port Module
The QPRJ-MSC “3+1
Combo” quad-port supports three auto-
negotiating twisted pair ports at
10/100BASE-T and 100BASE-FX Combo
Quad-Port Connectors
10/100Mbps FDX / HDX, and one fiber
port with 100Mbps multi-mode FX SC
connector. The three RJ-45 ports on the
right operate the same as those in the
same place on the QPM-RJ45 module.
The fiber SC connector
functions as a fiber optic transceiver to support 100BASE-FX network segments. When
installed in a Quad-Series Fiber Switch, it supports fiber cable dis
st
duplex. The factor default setting is for full-duplex operation, an
module must be moved to select half-duplex. (See Section 3.4).
Each 3+1 combo port has an Activity (ACT) LED indicating packets being
ived, a Link (LK) LED that indicates proper connectivity with the remote device
n lit, a FDX/HDX LED to indicate full-duplex mode when lit (or half-duplex when
In addition, the RJ-45 ports have a “speed” LED indicating 100Mb when lit (or 10
s when off). The fiber port is always 100Mbps speed.
FULL/HALF
DUPLEX (RJ-45)
ACTIVITY
LINK
2
SPEED
LK
HDX/FDX
100/10
FULL/HALF DUPLEX(FIBER)
FDX/HDX
ACT
1 2 3 4
2
5
4
1
1
4
3
3
5
40
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