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8
7. Reinsert the fuse to power the NetGuardian. The front panel LEDs will flash RED and GREEN.
LAN Connection
5.4
For enhanced security, the NetGuardian 420 has one 10/100 Ethernet ports. If the IP connection is OK, the LNK
LED will light SOLID GREEN when the cable is connected.
Telco Connection
5.5
The rear panel telco jack connects the NetGuardian's internal 33.6 modem to a standard phone line for dial-up
access and pager alarm notification.
RJ45 Ethernet Connection
8
7
6 Receive In– (RI–)
5
4
3 Receive In + (RI+)
2 Trans mit Out – (TO–)
1 Trans mit Out + (TO+)
Ethernet port pinout
Telco jack
RJ11 Phone Line Connection
Pinout for the Telco jack
4
3 Ring
2 Tip
1
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