ELSA Microlink ISDNTL V34 » History » Version 2
laforge, 12/10/2022 04:53 PM
1 | 1 | laforge | h1. ELSA Microlink ISDN/TL V34 |
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3 | This is a rather high-end ISDN terminal adapter from 1995. It combines an ISDN terminal adapter with a built-in V.34 capable analog modem, so both ISDN data calls as well as analog modem calls are possible. |
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4 | |||
5 | |Supply Voltage|9V AC| |
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6 | |Power Consumption|?| |
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7 | |RS232 Connector|DB25| |
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8 | |Line Connector|RJ-11 (unusual for ISDN)| |
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9 | |||
10 | h2. Hardware |
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11 | |||
12 | The hardware design is a two-layer circhit board design: |
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13 | * the bottom circuit hoststhe pure ISDN TA |
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14 | * the daughterboard contains the V.34 analog modem using a Rockwell L39W/U + RCV288DPi chipset |
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15 | |||
16 | h3. Mainboard |
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17 | |||
18 | * Siemens PSB 2186N V1.1 ISAC-S TE |
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19 | ** 7.68 MHz XTAL |
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20 | 2 | laforge | * Siemens SAB 82526N HSCX-1 V2.1 _High-Level Serial Communications Controller Extended_ attachment:HSCX.pdf |
21 | * NEC D70236AGD-16 _V53A 16-bit microprocessor_ attachment:D70236AGD.pdf |
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22 | 1 | laforge | ** 29.4912 MHz XTAL |
23 | * ST M28C64C-20K1 _64K x8 EEPROM_ attachment:M28C64C-STMicroelectronics.pdf |
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24 | * Siemens PSB 2110N ITAC V2.3 IOM-2 |
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25 | ** 10.75 MHz XTAL |
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26 | * NEC D72002-11 _Serial Communications Controller_ attachment:DSA2IH00126121.pdf |
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27 | * Sony K1202Q |
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28 | |||
29 | h3. Daughterboard |
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30 | |||
31 | * Rockwell L39W/U L3903-53 |
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32 | * Rockwell RCV288DPi R6682-24 |
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33 | * UMC "UM61256FS-15" 32Kx8 CMOS SRAM attachment:DSA2IH00219003.pdf |
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34 | * 20.2752 MHz XTAL |
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35 | * 40.320 MHz XTAL |
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36 | * Siemens PSB2165N ARCOFI SP1.1 |
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37 | * Speaker |
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38 | * EEPROM |
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41 | h2. EEPROM images |