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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)