Dell OptiPlex 755 - Mini Tower Computer; About Your Mini Tower Computer

version 1.0 23
DELL™ OPTIPLEX™ 755 TECHNICAL GUIDE
23
MT DT SFF USFF
V.92 DATA/FAX
CONTROLLERLESS MODEM
Supports
full height
Low profile
card or full
height card with
optional riser
Supports low
profile card
Bus
PCI
External Connector
RJ-11
Data Transmission
PCM - Pulse Coded Modulation (V.92/V.90)
TCM - Trellis Coded Modulation (V.90/V.34/V.32 bis/V.32)
Data Speeds
56kbps receive, 48kbps transmit
Data Standards
ITU V.92/V.90, V.34/V.32 bis/V.32
Fax Speeds
14.4kbps
Fax Mode Capabilities
2-wire, half-duplex, synchronous
Error Correction and Data Compression
V.44, V.42, V.42bis, MNP 2-4, MNP 5
Power Management
WOR (wake on ring) capable
Upgradeability
Driver upgradeable
Video
V.80 Synchronous Access Mode (SAM) can be
supported by software applications (not driver)
Operating Temperature
0° C-50° C (32° F-122° F)
Operating Humidity
45° C (113° F) 90% max
Operating System Support
Vista 32/64, Windows XP 32/64
Operating System Driver Support
Vista 32/64, Windows XP 32/64
Power Requirements
+3.0V~+3.6V, 116.6mW max
Chipset
Conexant SmartHSFs/LF (CX11256 & CX20493)
Dimensions of Full Height Card
i n c h e s /c e n t i m e t e r s (L X H)
L: 5.25in/13.325cm H: 4.73in/12.002cm
Dimensions of Low Profile Card
i n c h e s /c e n t i m e t e r s (L X H)
L: 5.26in/13.366cm H: 3.12in/7.923cm
coMMunications – MoDEM
MT supports full height card, DT supports low prole card or full height card with optional riser. SFF supports low prole card.