ZyXEL Communications 56K Plus Series User Manual
Omni 56K Plus Series User’s Guide
2-4 Specifications and Function Description
Table 2-3 Feature Description
FEATURE DESCRIPTION
Data
2W Dial-Up Line
Multi-auto/ V.92/V.90/V.34/V.32bis/V.32/V.22bis/V.22/V.21/Bell 103
Hardware/Software Flow Control
Error Control/Data Compression
ZyXEL AT Command Set
External Plug and Play for Windows 95/98/98SE/Me/2000/XP in RS232 mode
External Plug and Play for Windows 98SE/Me/2000/XP in USB mode
Repeat Dial/Cyclic Dial
Caller ID
Distinctive Ring
AT Protection for software application
Fax V.17/V.29/V.27ter
G3 T.30 Protocol
EIA Class 1/Class 2/Class 2.0 command set
Voice
4 bit IMA ADPCM
Remote Recording on PC storage
Play and record voice via the attached telephone set.
IS-101 Command Set
2.5 Data
Function
2.5.1 Physical Layer Capability
The Omni 56K Plus is a high performance universal modem capable of transmission speed up to 56/48
Kbps full-duplex on a 2-wire dial-up line. Universal compatibility covers a broad range of ITU-T and
BELL standards.
Kbps full-duplex on a 2-wire dial-up line. Universal compatibility covers a broad range of ITU-T and
BELL standards.
Table 2-4 Physical Layer Capacity
STANDARD
BIT RATE [BPS] BAUD RATE [BAUD] MODULATION
CARRIER FREQUENCY [HZ]
V.90 28000-56000
8000
PCM 0
V.92
(upstream)
(upstream)
24000-48000 8000
PCM
0
V.92
(downstream)
(downstream)
24000-56000 8000
PCM
0
V.34bis/V.34 2400-33600
multiple
TCM
multiple
V.32bis 14400
2400
128-TCM 1800
V.32bis
12000
2400
64-TCM
1800
V.32bis
7200
2400
16-TCM
1800
V.32 9600
2400
32-TCM
1800