Toshiba tecra m1 manual Hardware Overview System Unit Block Diagram

1 Hardware Overview 1.2 System Unit Block Diagram

PSC (Power Supply Controller)

•One TMP87PM48U chip is used.

•This controller controls the power sources.

RS232 Driver

•One MAXIM3243 chip is used.

•This driver converts signals for interface with external equipment.

Clock Generator

•One ICS950810AG-T is used.

•This device generates the system clock.

Modem Controller

•One built-in modem card with Xircom Lucent SCORPIO+CSP1037B is used.

•This controller has the following functions:

–Digital line protection support

–Ring wake up support

–AC97 interface

–The following communication codes are supported

Data:

V.90 (56K bps) data communication control

V.92 (56K bps) data communication control

V.34 (33.6 K~2400)

V.32 bis (14.4K, 12K, 9600)

V.22 bis (2400, 1200)

V.22 (1200)

V.23 (1200, 600, 75)

V.21 (300)

Fax:

V.17 (14.4K, 12K, 9600, 7200)

V.29 (9600, 7200, 4800)

V.27 ter (4800, 2400)

V.21 ch2 (300)

1-14 TECRA M1 Maintenance Manual (960-436)