COMSPHERE 3800Plus Modems
D-2 November 1996 3980-A2-GB30-20
Table D-1
(2 of 3)
Technical Specifications for COMSPHERE 3800
Plus
Modems
Specifications Criteria
COMPATIBILITY DIAL-LINE MODULATIONS
Proprietary V.34 (33,600, 31,200 bps)
ITU-T V
.34 (28,800, 26,400, 24,000, 21,600, 19,200, 16,800,
14,400,12,000, 9600, 7200, 4800, 2400 bps)
V.32
terbo
(19,200, 16,800 bps)
CCITT V.32bis (14,400, 12,000, 9600, 7200, 4800 bps)
CCITT V.32 (9600, 4800 bps)
CCITT V.22bis (2400 bps)
CCITT V.22 (1200 bps)
CCITT V.21 (300 bps)
Bell 212A (1200 bps)
Bell 103J (300 bps)
LEASED-LINE MODULATIONS
Proprietary V.34 (33,600, 31,200 bps)
ITU-T V
.34 (28,800, 26,400, 24,000, 21,600, 19,200, 16,800, 14,400,
12,000, 9600, 7200, 4800, 2400 bps)
V.32
terbo
(19,200, 16,800 bps)
V.32bis (14,400, 12,000, 9600, 7200, 4800 bps)
V.32 (9600, 4800 bps)
V.33 (14,400, 12,000 bps) (optional)
V.29 (9600, 7200, 4800 bps) (optional)
V.22bis (2400 bps)
FAX MODULATIONS
CCITT V.17 (14,400 bps)
CCITT V.29 (9600, 7200 bps)
CCITT V.27 ter (4800, 2400 bps)
DATA RATES
Dial Line
33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200,16,800,
14,400, 12,000, 9600, 7200, 4800, 2400, 1200, or 300–0 bps
Leased Line
33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200,16,800,
14,400, 12,000, 9600, 7200, 4800, or 2400 bps
DTE RATES 1
15,200, 76,800, 57,600, 38,400, 28,800, 14,400, 12,000, 9600, 7200,
4800, 2400, 1200, 0–300 bps
ERROR CONTROL CCITT V.42
MNP 4–2
DATA COMPRESSION CCITT V.42bis
MNP Class 5
ENVIRONMENT
Operating Temperature
32°F (0°C) to 122°F (50°C)
Relative Humidity 5% to 90% (noncondensing)
Shock and Vibration Withstands normal shipping
Storage Temperature
–4°F (–20°C) to 158°F (70°C)
