Installation manual

Hardware Description 2-5

Motherboard

General

Description

The Vanguard 3400 Series motherboard contains 16 MB flash and 64 MB of

SDRAM memory. It uses the MPC8270 CPU operated in single MPC 8270 mode.

Additionally, the motherboard supports the following:

• One or two daughtercards, depending on

which model you have (see daugh-

tercard matrix on page 2-9 for model-specific support)

• One Serial Port. Depending on which model you have this is either a Multi-

Protocol interface (UDIMM or software

configurable for V.11/X.21, V.24/

RS232, V.35, or V.36) or a RS232 only interface configured as DCE.

• Up to two 10/100 Base T auto-sens

ing Ethernet ports. (Refer to rear panel

matrix on page 2-2 for support by model)

• One CTP port

• One 4-port Ethernet Switch (refer to rear panel matrix on

page 2-2 for support

by model)

• Two Front Panel green LEDS; Power and Status

• Connector for external 5V power supply

• Encryption PCI Mezzanine card

• Real Time Clock Battery

• Cooling Fan (3460/3480 only)

Refer to Figure 2-4, Figure 2-6, and Figure 2-7 for the location of the motherboard

components for the 3410, 3410w, 3460, and 3480 respectively.

Figure 2-4. Vanguard 3410 Series Motherboard

Battery

Daughtercard Slot 1

Encryption Module

Future Expansion Connection for Upgradeablity

Serial Number Label