Fujitsu FMW4503TS128A01 manual Internal LAN/Modem Specifications, Csma/Cd

Internal LAN/Modem Specifications

The internal LAN/modem device connects to the system’s PCI bus. Specifications for the internal LAN/ modem are given in Table 5-10.The internal LAN/modem is built-in and is not field replaceable. The internal modem is a global device.

Table 5-10. Internal LAN/Modem Specifications

	Feature		Specification
LAN Part	Transmission media	Non-shielded twisted-pair cable.
	Transmission system	Base-band method
	Data transfer velocity	100 Mbps/10 Mbps
	Network form	Star
	Max. segment length	100 m
	Max. number of node/	Dependent upon hub
	segments
	Data link control	CSMA/CD
	method
	Message protocol	Variable length frame
	Synchronous method	Pre-amp
	Error correct method	32-bit CRC check
	Frame addressing	Unique address
	method	Group address
		Simultaneous address
	Data encode/decode	Manchester method (10 Mbps)
	method	MLT-3 method (100 Mbps)
Chipset	Built around Lucent
	1646 DSP chipset
Modem Part	Data rate	56 Kbps*
	Protocols	•	ITU-T V.90
		•	ITU-T V.34
		•	ITU-T V.32bis
		•	ITU-T V.32
		•	ITU-T V.22bis
	Standards	Hayes AT command set
	Compression method	•	V.42bis data compression
		•	MNP Class 5 data compression
	Error correction	V.42 automatic correction
		MNP Class 4
Compliance	US / Canada / Japan / Belgium / Denmark / Finland / France /
countries	Germany / The Netherlands / Italy / Norway / Sweden / Switzerland /
	United Kingdom / Austria / Portugal / Ireland / Spain / Greece

Internal LAN/Modem Specifications 44