Connecting A Twisted Pair Segment To The 2G4072-52 - Enterasys 2G4072-52 Installation Manual

Connecting to the Network
Figure 3-4
1 RJ45 connector
3. Verify that a link exists by checking that the port RX (Receive) LED is ON (flashing
amber, blinking green, or solid green). If the RX LED is OFF and the TX (Transmit)
LED is not blinking amber, perform the following steps until it is on:
a.
b. Verify that cabling is Category 5 UTP with an impedance between 85 and
c.
d. Verify that the RJ45 connectors on the twisted pair segment have the proper
3-6 Installation

Connecting a Twisted Pair Segment to the 2G4072-52

2 RJ45 port connector
To view the receive and transmit activity on a group of segments, press the
GROUP SELECT button (see Figure
through 3). Each time the button is pressed, the GROUP LED lights up in
sequence, indicating the selected Group. Receive and transmit activity for that
group of segments is then indicated by the RX and TX LEDs for each segment.
111 ohms. If the port is to operate at 100 Mbps, Category 5 cabling must be used.
Verify that the device at the other end of the twisted pair segment is on and
properly connected to the segment.
pinouts and check the cable for continuity. Typically, a crossover cable is used
between hub devices. A straight‐through cable is used to connect between
switches or hub devices and an end user (computer). Refer to Figure
Figure 3‐6 for four‐wire RJ45 connections. Refer to Figure 3‐7 and Figure
eight‐wire RJ45 connections.
À Á Â
3 GROUP SELECT button
3‐4) to step to the group of interest (Groups 1
3‐5 and
3‐8 for