M-3

2. FUNCTION OVERVIEW OF CIRCUIT BOARDS

The circuit boards used in the network interface have the functions described below.

2-1. CLAN circuit board

(1) Overview
This circuit board is constructed to support the following interfaces: USB1.1b to enable
use as a computer printer, network LAN with the PCI bus, and expansion PCI.
Network specifications (Ethernet): 10Base-T/100Base-TX
Communication protocols: TCP/IP, SMTP, POP3, MIME and HTTP
Connection methods: Connection to CN7 on MFB3 circuit board
(2) Functions
1. USB1.1b interface
Enables use as a computer printer through a connector for a USB connection.
2. Network LAN interface
Enables use as a network scanner and network printer through a connector for a network
connection.
3. Expansion PCI bus interface
Equipped with a PCI bus interface connector (specialized connector: 100 pin) for a future
expansion interface.
Circuit Board Name Function Overview
CLAN circuit board Enables use of network functions by connecting to the MFB3
board.
Printer Circuit Board Enables use of printer functions by connecting to the MFB3 board.
Capacity: 32 MB (Pi3505e)/128 MB (Pi3505e/PS)
Network Scan Circuit
Board
Enables use of network scan functions by connecting to the MFB3
board. Capacity: 128 MB
Internet Fax &
Network Scan Circuit
Board
Enables use of Internet Fax and Network Scan functions by con-
necting to the MFB3 board. Capacity: 128 MB