Sitre Telecom VD56SP¶

A V.90 modem sold by Sitre Telecom.

Website
https://web.archive.org/web/20000424183330/http://www.sitre.es/product/modem/VD56SP.asp?lang=esp

Manual
Conexant-AT_Commands_for_SmartSCM_SmartACF_SmartACFL_and_SC56D_Modems-Reference_Manual-100722B_2001-03-20.pdf

Hardware¶

Supply Voltage	10V AC
Power Consumption	~5.5W
RS232 Connector	DB25
Line Connector	RJ11
Phone Connector	RJ11
Speaker Connector	3.5mm female audio jack
Microphone Connector	3.5mm female audio jack

Pictures¶

We can see here:

• Conexant SMARTSCM/56 P2107-11 (CX88168: Single Chip Modem) CX88168.pdf
• Conexant SMARTDAA 20463-11 (CX20463: SmartDAA Line Side Device)
• Conexant 20437-11 (CX20437: Voice Codec)
• Hynix GD75323D (RS232 Line Transceiver)

AT-commands¶

Informational commands

ATI
56000

OK
ATI1
030

OK
ATI2
OK
ATI3
P2107-V90

OK
ATI4
a007040284C6002F

bC60000000

r1005111151012000

r3000111170000000

OK
ATI5
B5

OK
ATI6
RCV56DPF-PLL L8773A Rev 14.00/34.00
OK
ATI7
OK