ELSA Microlink ISDNTL V34 » History » Version 6
laforge, 12/10/2022 07:29 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)}} |
| 17 | {{thumbnail(20221210_172945.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)}} |
| 26 | {{thumbnail(20221210_173011.jpg)}} |
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| 27 | {{thumbnail(20221210_173059.jpg)}} |
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| 29 | 1 | laforge | * Siemens PSB 2186N V1.1 ISAC-S TE |
| 30 | ** 7.68 MHz XTAL |
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| 31 | 2 | laforge | * Siemens SAB 82526N HSCX-1 V2.1 _High-Level Serial Communications Controller Extended_ attachment:HSCX.pdf |
| 32 | * NEC D70236AGD-16 _V53A 16-bit microprocessor_ attachment:D70236AGD.pdf |
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| 33 | 1 | laforge | ** 29.4912 MHz XTAL |
| 34 | * ST M28C64C-20K1 _64K x8 EEPROM_ attachment:M28C64C-STMicroelectronics.pdf |
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| 35 | * Siemens PSB 2110N ITAC V2.3 IOM-2 |
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| 36 | ** 10.75 MHz XTAL |
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| 37 | * NEC D72002-11 _Serial Communications Controller_ attachment:DSA2IH00126121.pdf |
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| 38 | * Sony K1202Q |
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| 39 | 3 | laforge | * AT29C020 Flash EEPROM |
| 40 | ** dump: attachment:elsa_ml_isdn_tl_v34.bin |
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| 41 | 1 | laforge | |
| 42 | h3. Daughterboard |
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| 43 | 6 | laforge | |
| 44 | 1 | laforge | |
| 45 | * Rockwell L39W/U L3903-53 |
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| 46 | * Rockwell RCV288DPi R6682-24 |
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| 47 | * UMC "UM61256FS-15" 32Kx8 CMOS SRAM attachment:DSA2IH00219003.pdf |
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| 48 | * 20.2752 MHz XTAL |
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| 49 | * 40.320 MHz XTAL |
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| 50 | * Siemens PSB2165N ARCOFI SP1.1 |
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| 51 | * Speaker |
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| 52 | 4 | laforge | * IS27C010 EEPROM |
| 53 | ** image of v1.23: attachment:elsa_ml_336_pcqv_v1_23.bin |
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| 54 | 1 | laforge | |
| 55 | h2. EEPROM images |
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| 56 | 5 | laforge | |
| 57 | * attachment:elsa_ml_isdn_tl_v34.bin |
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| 58 | * attachment:elsa_ml_336_pcqv_v1_23.bin |
