Retronetworking

h1. MultiTech MT9234ZPX PCI

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PCI based V.92 Modem made by MultiTech.

This modem was also sold by IBM (FRU: 45D3866)

Website

https://www.multitech.com/models/91254010LF

Manual

* attachment:MultiTech_MT9234ZPX_PCI-datasheet.pdf

* attachment:MultiTech_MT9234ZPX_PCI-user_guide.pdf

* attachment:MultiTech_MT9234ZPX_PCI-AT-command-reference.pdf

h2. Hardware

MultiTech Systems MT9234ZPX-UPCI-NVCD (NV = NonVoice)

|Line Connector|RJ-11|

|Phone Connector|RJ-11|

{{thumbnail(MultiTech_MT9234ZPX_PCI-pcb-pespective.jpg)}}

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{{thumbnail(MultiTech_MT9234ZPX_PCI-pcb-detail1.jpg)}}

{{thumbnail(MultiTech_MT9234ZPX_PCI-pcb-bottom1.jpg)}}

We can see here:

* Exar XR17D152 (PCI UART) attachment:XR17d152.pdf

* Agere L-OCM-F100 V92CC 1119T 7102509 (On Chip Modem)

Label

<pre>

Model No: MT9234ZPX-UPCI

Serial: (S)15548636

DOM: 2011.08.25

B/O: - IBM

SKU# 91257221LF

IBM FRU: 45D3866

EC: J10914

</pre>

h2. PCI

<pre>

07:00.0 Serial controller: Exar Corp. XR17C/D152 Dual PCI UART (rev 02) (prog-if 02 [16550])

        Subsystem: Device 2205:2026

        Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-

        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

        Interrupt: pin A routed to IRQ 19

        IOMMU group: 8

        Region 0: Memory at f7800000 (32-bit, non-prefetchable) [size=1K]

        Kernel driver in use: exar_serial

</pre>

<pre>

exar_serial 0000:07:00.0: enabling device (0100 -> 0102)

0000:07:00.0: ttyS4 at MMIO 0xf7800000 (irq = 19, base_baud = 921600) is a XR17D15X

0000:07:00.0: ttyS5 at MMIO 0xf7800200 (irq = 19, base_baud = 921600) is a XR17D15X

</pre>

<pre>

# serial driver (exar_serial)

zgrep CONFIG_SERIAL_8250_EXAR /proc/config.gz

</pre>

h2. AT-commands

@minicom -D /dev/ttyS4 -b 115200@

<pre>

ATI0

Agere OCM V.92 MT9234ZPX-UPCI Internal Data/Fax Modem Version 1.02d

OK

ATI1

C468            

OK

ATI2

OK

ATI3

Agere OCM V.92 MT9234ZPX-UPCI Internal Data/Fax Modem Version 1.02d

OK

ATI4

18

OK

ATI5

OCM Ver3.9/1.7,0,34

OK

ATI6

Embedded Regulatory Approval Model: MT9234SMI

OK

ATI7

Standard Release

DP2SH mode-ei SERIAL DATA FAX+V34Fax+Class2+2.x+ECM Sphone

OK

ATI8

OK

ATI9

52

(01.00MTS0323\\MODEM\TIA0602,TIA0578\MultiTech Systems MT9234ZPX-UPCI-NVCD)

OK

ATI11

    Description                         Status

    ---------------                     ------------ 

    Last Connection                     V34             

    Initial Transmit Carrier Rate       31200           

    Initial Receive  Carrier Rate       31200           

    Final   Transmit Carrier Rate       31200           

    Final   Receive  Carrier Rate       31200           

    Protocol Negotiation Result         LAPM/SREJ       

    Data Compression Result             V42bis          

    Estimated Noise Level               46              

    Receive  Signal Power Level  (-dBm) 18              

    Transmit Signal Power Level  (-dBm) 12              

    Round Trip Delay             (msec) 198             

Press any key to continue; ESC to quit.

    Description                         Status

    ---------------                     ------------ 

    Near Echo Level              (-dBm) 21              

    Far  Echo Level              (-dBm) 71              

    Transmit Frame Count                0               

    Transmit Frame Error Count          0               

    Receive  Frame Count                1               

    Receive  Frame Error Count          0               

    Retrain by Local  Modem             0               

    Retrain by Remote Modem             0               

    Rate Renegotiation by Local Modem   0               

    Rate Renegotiation by Remote Modem  0               

    Call Termination Cause              1               

    Robbed-Bit Signaling                NA              

    Digital Loss                   (dB) NA              

    Remote Server ID                    NA              

    Last PCM S PTR                      EC9A            

    Connection Time              (msec) 43483           

OK

ATI12

OK

ATI13

OK

</pre>