Nortel Networks 400-S manual DIP switches see , DIP switch settings, on

36 Chapter 3 Instant Internet 400-S hardware installation

•Seven 10/100 Link/Activity LEDs (labeled S1–S7) display port status for the switch. For details, refer to Chapter 6, “LEDs: support and diagnostic functions,” on page 61.

•Seven FDX LEDs (labeled S1–S7) display port mode status for the switch. For details, refer to Chapter 6, “LEDs: support and diagnostic functions,” on page 61.

Figure 1 illustrates the front panel of the unit.

Figure 1 Front panel of the Instant Internet 400-S unit

BayStack Instant Internet 400-S

1 2 3 4 5 6 7 8 Power

S1 S2 S3 S4 S5 S6 S7

S1 S2 S3 S4 S5 S6 S7

10/100 Link/Activity

FDX

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The rear panel of the unit contains the following switches and connectors:

•Primary connection to your telephone service company (telco) or Internet service provider (slot A)

•Secondary or backup connection to your telephone company or Internet service provider (for dial backup, out-of-band management, second WAN bounded/in-band channel card) (slot B)

•Third LAN interface card to support a WAN connection (slot C)

•Second full-duplex/half-duplex autonegotiating Ethernet connection (Eth2) to connect to a router or bridge to support a Demilitarized Zone (DMZ) or to add another network segment

•AUX port to directly connect a PC or modem for out-of-band management (see Chapter 7, “Out-of-band management support,” on page 65)

•DIP switches (see Chapter 5, “DIP switch settings,” on page 55)

•Power voltage selector switch (115 or 230)

•Power supply connector and power switch

Figure 2 illustrates the rear panel of the unit.

209375-A