Communications - Modem - Dell OptiPlex 740 Technical Manualbook

Dell™ optiplex™ 740 technical guiDe
coMMunications – MoDEM
MT supports full-height card, DT supports low-profile card or full-height card with optional riser. SFF supports
low-profile card.
v.92 Data/fax controllerless modem
v.92 Data/fax controllerless modem
bus
external connector
Data transmission
Data speeds
Data standards
fax speeds
fax mode capabilities
error correction and Data compression
power management
upgradeability
video
operating temperature
operating humidity
operating system support
operating system Driver support
power requirements
chipset
Dimensions of full-height card
Dimensions of low-profile card
version 1.0
full-height card
/ (L h)
inches centimeters x
/ (L h)
inches centimeters x
mt Dt
Low-profile card or
Supports
full-height card with
optional riser
mt Dt
PCI
RJ-11
PCM - Pulse Coded Modulation (V.92/V.90)
TCM - Trellis Coded Modulation (V.90/V.34/V.32 bis/V.32)
56 Kbps receive, 48 Kbps transmit
ITU V.92/V.90, V.34/V.32 bis/V.32
14.4 Kbps
2-wire, half-duplex, synchronous
V.44, V.42, V.42bis, MNP 2-4, MNP 5
WOR (wake on ring) capable
Driver upgradeable
V.80 Synchronous Access Mode (SAM) can be supported
by software applications (not driver)
0° C – 50° C (32° F– 122° F)
45° C (113° F) 90% max
Vista 32/64, Windows XP 32/64
®
Vista 32/64, Windows XP 32/64
+3.0V~+3.6V, 116.6mW max
Conexant SmartHSFs/LF (CX11256 & CX20493)
5.25" x 4.73"/13.325 cm x 12.002 cm
5.26" x 3.12"/13.366 cm x 7.923 cm
sff
Supports
low-profile card
sff
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