Category: Network and modems
Caution Level: Intermediate
Download File Size: 82.6 KB
Operating System: Windows 98
Latest Version / Release Date: 09 Apr 2010 / 03 Dec 2010
Creatix Phonemaster 144 VFi is a modem produced by Creatix. It comes with three I/O options: Analog phone port (RJ- 11), speaker jack and microphone in. This modem functions at a data rate of 56 kbps maximum. Also, it has two fax classes; Fax class I and Fax Class II. The protocol of data modulation for the device is Bell 103/A as well as Bell 212A. Also, it uses the following standards; ITU-T V.21, V.23, V.22, V.32, V.22bis and V.32 bis. ITU-T V.21 standard is an ITU-T recommendation which facilitates full duplex communication from one analogue dial-up modem to another. This communication uses the keying modulation of sound frequency-shift at 300 baud so as to carry digital data at the speed of 300 bit per sec. On the other hand, V.22 uses PSK modulation @ 600 baud to be able to carry data at the speed of 600 bit/s or 1200 bit/s.
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The other standards which Creatix Phonemaster 144 VFi uses are V.22 bis which extends V.22 to a more rapid rate through use of QAM modulation. V.32 permits bidirectional data transfer at 4.8 kbits/s pr 9.6 kbits whereas V.32bis allows this bidirectional data transfer to a maximum of 14.4 kbit/s. The fax also has its modulation protocols which are ITU-T V.17, V.21, V27 ter, V.29 and CH2. Creatix Phonemaster 144 VFi has several error corrections and these are V.42, V.42 bis and MNP5. The data bus for this device is 8- bit ISA. The label for the phone port RJ-11 of this modem is CN1. CN1 works as the speaker whereas the label for the microphone jack is CN2. This modem features four interrupt levels; the IRQ 3, IRQ4, IRQ5 and IRQ7. For this product to function effectively, users should always ensure that they are using the latest version of the device driver. It is highly recommended you run a free registry scan for and Creatix Phonemaster 144 VFi errors before installing any driver updates.