GarrettCom 6K8 User Manual download pdf (Page 17)

Magnum 6K8-Series Industrial Field Switch Installation and User Guide (04/07)

powered-up device at the other end of the cable) in order for a LK LED to

provide valid indications of operating conditions on that port.

2.2.3 Eight-Port Copper Module, 6K8-RJ45

The 6K8-Series’s 8-port Copper port module, model 6K8-RJ45, provides eight

10/100Mb switched RJ-45 ports. The 10/100Mb switched ports normally (as a default

setting) are independently N-way auto-negotiating, and auto-crossover (MDIX) for

operation at 10 or 100Mb speed in full- or half-duplex mode, i.e., each independently

selects a mode and speed to match the device at the other end of the twisted pair cable.

(See Section 4.3 for auto-negotiation and MDIX details). The auto-crossover feature will

automatically determine the other side of connection to make the connection, and

eliminate the need of crossover cable.

On the model 6K8-RJ45 module, there are four LEDs for each port, two in the

connector and two separate. The LK (Link) LED indicates, “ready for operation” on that

port when lit. The blinking ACT (Activity) LED indicates receiving Activity on that port

when lit. The 10/100 LED

indicates operation at 100Mb

speed when ON and at 10 MB

speed when OFF (when auto-

negotiation is not disabled).

The FDX/HDX LED is ON to

indicate full-duplex operation

and OFF to indicate half-duplex mode. A twisted pair cable must be connected into an

RJ-45 port and the Link (LK) indicator for that port must be ON (indicating there is a

powered-up device at the other end of the cable) in order for a LK LED to provide valid

indications of operating conditions on that port.

1 3 5 7

100

10/

F/H

ACT

10/100

2 4 6 8

ACT

Using the 6K8-Series (MNS-6K) management software, the user may disable

auto-negotiation and fix the desired operation of each RJ-45 port. User may select 10Mb

or 100Mb speed and full- or half-duplex mode per-port as per user requirement. (See

Magnum MNS-6K Software Manual for details info.).

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GarrettCom 6K8 User Manual Page 17