ELSA Microlink ISDNTL V34 » History » Version 8
laforge, 12/10/2022 07:30 PM
1 | 1 | laforge | h1. ELSA Microlink ISDN/TL V34 |
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3 | 6 | laforge | {{thumbnail(20221210_172901.jpg)}} |
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7 | 1 | laforge | 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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9 | |Supply Voltage|9V AC| |
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10 | |Power Consumption|?| |
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11 | |RS232 Connector|DB25| |
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12 | |Line Connector|RJ-11 (unusual for ISDN)| |
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14 | h2. Hardware |
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16 | 6 | laforge | {{thumbnail(20221210_172935.jpg)}} |
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19 | 1 | laforge | The hardware design is a two-layer circhit board design: |
20 | * the bottom circuit hoststhe pure ISDN TA |
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21 | * the daughterboard contains the V.34 analog modem using a Rockwell L39W/U + RCV288DPi chipset |
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23 | h3. Mainboard |
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25 | 6 | laforge | {{thumbnail(20221210_173005.jpg)}} |
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28 | 8 | laforge | {{thumbnail(20221210_173112.jpg)}} |
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30 | 6 | laforge | |
31 | 1 | laforge | * Siemens PSB 2186N V1.1 ISAC-S TE |
32 | ** 7.68 MHz XTAL |
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33 | 2 | laforge | * Siemens SAB 82526N HSCX-1 V2.1 _High-Level Serial Communications Controller Extended_ attachment:HSCX.pdf |
34 | * NEC D70236AGD-16 _V53A 16-bit microprocessor_ attachment:D70236AGD.pdf |
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35 | 1 | laforge | ** 29.4912 MHz XTAL |
36 | * ST M28C64C-20K1 _64K x8 EEPROM_ attachment:M28C64C-STMicroelectronics.pdf |
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37 | * Siemens PSB 2110N ITAC V2.3 IOM-2 |
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38 | ** 10.75 MHz XTAL |
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39 | * NEC D72002-11 _Serial Communications Controller_ attachment:DSA2IH00126121.pdf |
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40 | * Sony K1202Q |
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41 | 3 | laforge | * AT29C020 Flash EEPROM |
42 | ** dump: attachment:elsa_ml_isdn_tl_v34.bin |
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43 | 1 | laforge | |
44 | h3. Daughterboard |
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45 | 6 | laforge | |
46 | 7 | laforge | {{thumbnail(20221210_173132.jpg)}} |
47 | {{thumbnail(20221210_173124.jpg)}} |
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48 | {{thumbnail(20221210_173120.jpg)}} |
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49 | 1 | laforge | |
50 | * Rockwell L39W/U L3903-53 |
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51 | * Rockwell RCV288DPi R6682-24 |
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52 | * UMC "UM61256FS-15" 32Kx8 CMOS SRAM attachment:DSA2IH00219003.pdf |
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53 | * 20.2752 MHz XTAL |
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54 | * 40.320 MHz XTAL |
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55 | * Siemens PSB2165N ARCOFI SP1.1 |
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56 | * Speaker |
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57 | 4 | laforge | * IS27C010 EEPROM |
58 | ** image of v1.23: attachment:elsa_ml_336_pcqv_v1_23.bin |
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59 | 1 | laforge | |
60 | h2. EEPROM images |
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61 | 5 | laforge | |
62 | * attachment:elsa_ml_isdn_tl_v34.bin |
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63 | * attachment:elsa_ml_336_pcqv_v1_23.bin |