Black Box LGB2004A, Quick Start Manual

Page: 15 / 16

12
24-PORT 10/100 MANAGED SWITCH WITH GIGABIT UPLINK PORT
Table 4-1 (continued). Front-panel indicators and connectors.
Component Function
Fan 1 LED This LED lights when the fan is operating properly.
Fan 2 LED This LED lights when the fan is operating properly.
LNK/ACT LED When this LED is on, the switch’s respective twisted-
(left side of port) pair port is successfully connected to a network.
When this LED is blinking, the port is transmitting or
receiving data on the Ethernet network.
When this LED is off, no link is connected.
10/100 Mbps LED When this LED is on, the switch’s respective twisted-pair
(right side of port) port is connected to a Fast Ethernet network.
When this LED is off, the switch’s respective port is
connected to a 10-Mbps Ethernet port.
10-/100-Mbps The switch’s 24 twisted-pair ports support autonegotiable
Ethernet ports 10/100 Mbps and auto-MDI/MDI-X crossover detection.
(1–24) Simply plug the network cable directly into the switch. It
doesn’t matter whether the end node is a NIC (network
interface card), switch, or hub. These ports operate in
half- or full duplex mode.
Console port This DB9 connector is used for a terminal connection for
remote management.
Fiber module This slot holds an optional Gigabit Uplink Module
slot (LGB2004C-MMSX or LGB2004C-SMLX) that connects
to a fiber link.
❸
❹
❺
❻
❼
❽
❾