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Installing the IpChannel Bank 29
SmartNode 4400 Series Getting Started Guide 3 • Hardware installation
Connecting the 10/100Base-T Ethernet ports to an Ethernet switch or hub. The 10/100Base-T Ethernet
port is designed to connect to an Ethernet switch or hub with a straight-through or cross-over Ethernet cable.
The Ethernet RJ-45 pin and signal definitions for the SN4400 or for a NIC card in a workstation/PC are
shown in figure 7. Connect a CAT-5 cable (one wired as shown in figure 8 or figure 9) between the SN4400
and the hub/switch.
Figure 7. Model SN4400 Ethernet port
Figure 8. Straight-through RJ-45-to-RJ-45 Ethernet cable diagram
Figure 9. Cross-over RJ-45-to-RJ-45 Ethernet cable diagram
Connecting a 10/100Base-T Ethernet port to an Ethernet-capable workstation. The 10/100Base-T Ether-
net ports can connect to a single Ethernet-capable workstation or PC by means of any Ethernet cable.
RJ-45 Jack
(TX+) Transmit Data +
(TX-) Transmit Data -
(RX+) Receive Data +
4
5
(RX-) Receive Data -
7
8
1
2
3
4
5
6
7
8
DirectionSignal Name
3
1
2
6
Output
Output
Input
Input
SN4400
RJ-45 Pin No.
Hub
RJ-45 Pin No.
(TX+)
(TX-)
(RX+)
(RX-)
1
2
3
6
(RX+)
(RX-)
(TX+)
(TX-)
1
2
3
6
SN4400 10/100Base-T Port
RJ-45 Pin No.
PC 10/100Base-T Port
RJ-45 Pin No.
(TX+)
(TX-)
(RX+)
(RX-)
1
2
3
6
(RX+)
(RX-)
(TX+)
(TX-)
3
6
1
2