LAN Connector and Cables 165

LAN Connector and

The two Ethernet connectors, labeled L1 and L2, can be cabled using

Cables

either 10BASE-T or 100BASE-TX cabling.

 

Boundary router models can use only the L1 Ethernet port. If you upgrade

 

to full router software, the second port will be functional.

 

The following figure shows the pinouts of the L1 and L2 connectors

 

(RJ-45). The connector bodies connect the cable shield to chassis ground.

 

Figure 20

Ethernet Connector

 

 

 

 

TX-

RX-

 

 

 

TX+

RX+

 

 

 

 

 

 

 

 

 

 

 

 

1 2 3 4 5 6 7 8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RJ-45 female (shielded)

10BASE-T Cabling Table 21 lists supported 10BASE-T cable types and emissions classes.

Table 21 10BASE-T Cable Types and Emissions Compliance

 

 

Emissions Compliance*

 

Cable Type

 

FCC and VCCI Class A

EN55022 Class B

 

 

 

 

UTP

100 ohm:

 

 

 

Category 3

yes

no

 

 

 

 

 

Category 4

yes

no

 

 

 

 

 

Category 5

yes

no

 

 

 

 

Shielded TP

100 ohm:

 

 

 

Category 3

yes

yes

 

 

 

 

 

Category 4

yes

yes

 

 

 

 

 

Category 5

yes

yes

* Shielding of all cable types should be terminated 360 degrees at the cable plug.

All UTP compliance testing was accomplished using cables built with Stewart Connector Co. connector, part number 940 SP-36-08-08.

Page 165
Image 165
3Com NETBuilder SI, SuperStack II manual LAN Connector, Either 10BASE-T or 100BASE-TX cabling, Ethernet Connector