OptiPlex 980 Technical Guidebook Page 26
Communications – Modem
NOTE: 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

MT

DT

SFF

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
0~50 degree C
Operating Humidity
45 degree C 90% max
Operating System Driver Support
Windows XP 32-bit, Windows Vista
32-bit, Windows Vista 64-bit, Win7 32-bit,
Win7 64Bit.
Power Requirements
+3.0V~+3.6V, 116.6mW max
Chipset
Conexant SmartHSFs/LF (CX11256 &
CX20493)
Dimensions of full height card inches/centimeters (L X H)
L:
5.25'/13.3
25cm
H:
4.73'/12.0
02cm

Dimensions of low profile card inches/centimeters (L X H)

L: 5.26'/13.366cm
H: 3.12'/7.923cm
Communications – Wireless

Internal DW1520 802.11 draft-N WiFi (with Remote Wake Up

support)

MT

DT

SFF

External Connector Type
Custom WLAN Antenna Connector
Controller Details
Controller bus architecture
PCIe 1.1 x1