ELSA Microlink ISDNTL V34 » History » Version 4
laforge, 12/10/2022 05:04 PM
| 1 | 1 | laforge | h1. ELSA Microlink ISDN/TL V34 |
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| 2 | |||
| 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 | 3 | laforge | * AT29C020 Flash EEPROM |
| 29 | ** dump: attachment:elsa_ml_isdn_tl_v34.bin |
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| 30 | 1 | laforge | |
| 31 | h3. Daughterboard |
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| 32 | |||
| 33 | * Rockwell L39W/U L3903-53 |
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| 34 | * Rockwell RCV288DPi R6682-24 |
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| 35 | * UMC "UM61256FS-15" 32Kx8 CMOS SRAM attachment:DSA2IH00219003.pdf |
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| 36 | * 20.2752 MHz XTAL |
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| 37 | * 40.320 MHz XTAL |
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| 38 | * Siemens PSB2165N ARCOFI SP1.1 |
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| 39 | * Speaker |
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| 40 | 4 | laforge | * IS27C010 EEPROM |
| 41 | ** image of v1.23: attachment:elsa_ml_336_pcqv_v1_23.bin |
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| 42 | 1 | laforge | |
| 43 | h2. EEPROM images |
