CH1799 ETC1 [List of Unclassifed Manufacturers], CH1799 Datasheet
CH1799
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CH1799 Summary of contents
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... By using built in compression algorithms the operation speed can be expanded to the maximum DTE rate of 57.6kbps for the CH1794, 115.2kbps for the CH1799 and 230.4kbps for the CH2056. A choice of error correcting schemes is available including MNP 10 for cellular telephone applications. The HS Modem family supports Send and Receive FAX ...
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... SUPPORTED MODULATION STANDARDS The HS Modem supports V.42 LAMP, MNP 2-4, MNP 10 error correcting protocols. MNP5 CH1799/CH2056 uses V.42bis data compression, allowing data transmission rates maximum of These high DTE data rates are supported by the HS Modem serial interface via its auto baud capability. ...
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Cermetek Microelectronics, Inc. CONNECTING TO THE HOST UART Since a modem communicates data serially and most host products handle data in a parallel format, a UART is needed to make parallel-to-serial and serial-to- parallel translations. SUPPORTED FEATURES AT Command Set. ...
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... Cermetek Microelectronics, Inc. CH1794 300, 600, 1200, 2400, 4800, 7200, 9600, 12000, 14400, 19200, 38400, and 57600bps. CH1799 300, 600, 1200, 2400, 4800, 7200, 9600, 12000, 14400, 16800, 19200, 21600, 24000, 26400, 28800, 38400, 57600, and 115200bps. CH2056 300, 600, 1200, 2400, 4800, 7200, ...
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Cermetek Microelectronics, Inc switch to data mode, switch local voice source from T1: (a) At the Originate Modem, enter: ATX1<CR> (b) At the Answer Modem, enter: ATA<CR> disconnect (hang-up) a voice call or data call: (a) ...
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... ATZ<CR> command or by the RST pin, the modem will reconfigure to its default state with the line carrier modulation speed set to: 1. 14.4kbps for the CH1794 2. 33.6kbps for the CH1799 3. 57.6kbps for the CH2056 If desired, any speed, error correction, or data compression method available on the HS Modem can be locked in, using the ATNn and/or AT+MS commands ...
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... FCC Part 68 compliance. The User is responsible to ensure that FCC Part 68 compliance is maintained alternative, the CH1799 will operate on a leased line if the line is made wet by application voltage. Refer to Cermetek Application Note # 114 Operation of the CH1799LL on a standard PSTN line will damage the CH1799LL and void its warranty ...
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Cermetek Microelectronics, Inc. Table 3. PIN NAME I/O 1 RING I/O TELCO/TELSET INPUT. Directly connects to the telephone line’s RING lead through a user supplied RJ-11C jack. 2 TIP I/O TELCO/TELSET INPUT. Directly connects to the telephone line’s TIP lead ...
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Cermetek Microelectronics, Inc. AT COMMAND APPLICATIONS Dialing a Phone Number. The Dial command takes the form Dn, where string of characters. In the simplest form, n will be only the digits of the phone number to be ...
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... FCC REGISTRATION All products in the HS Modem family are registered with the FCC (except the CH1799LL) under Part 68. To maintain the validity of the registration, you must serve notice to the end user of the product of several restrictions the FCC places on the modem and its use. ...
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... SPECS Prior to delivery, Cermetek installs into each HS Modem the following default Configuration Profile: Default Connect Speeds are 14,400bps, 33,600bps and 57,600bps for CH1794, CH1799 and CH2056 respectively Serial port data rate auto baud enabled Bell 212A operation at 1200bps Parity – none ...
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... CONNECT 38400 18 CONNECT 57600 19 CONNECT 115200 20 CONNECT 230400 22 Connect 75TX/1200RX 23 Connect 1200TX/75RX 24 DELAYED 32 BLACKLISTED 33 FAX 35 DATA Table 5B. CH1799 Extended Result Codes. Result Code Form Terse Verbose or Long or Short 40 CARRIER 44 CARRIER 1200/75 45 CARRIER 75/1200 46 CARRIER 1200 47 CARRIER 2400 48 CARRIER 4800 49 CARRIER 7200 ...
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Cermetek Microelectronics, Inc. Table 5C. CH2056 Extended (Continuation). Result Code Form Terse Verbose or Long or Short 168 CONNECT 38000 169 CONNECT 40000 170 CONNECT 44000 171 CONNECT 46000 172 CONNECT 48000 173 CONNECT 48000 174 CONNECT 50000 175 CONNECT ...
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Cermetek Microelectronics, Inc. Table 6B. Summary of Basic AT Commands. Command Function &F0 Restore Factory configuration 0 &F1 Restore Factory configuration 1 &G0 Disable guard tone &G1 Disable guard tone &G2 Enable 1800 Hz guard tone &K0 Disable DTE/DCE flow ...
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Cermetek Microelectronics, Inc. Register Function S0 Rings to Auto-Answer S1 Ring Counter S2 Escape Character S3 Carriage Return Character S4 Line Feed Character S5 Backspace Character S6 Wait Time for Dial Tone S7 Wait Time for Carrier S8 Pause Time ...
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... HS Modems except the CH1799LL (see Figure 6). additional external components are required to maintain conveyed FCC Part 68 approval for all HS Modems (excluding the CH1799LL). B. For CH1799LL, the required surge protection (identified dashed Box 2) must be 2003 Cermetek Microelectronics, Inc. Protection Line To maintain C ...
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... Comments 600 Ohm, RXA, TXA On 48VDC line voltage for sustained periods Does not apply to CH1799LL 600 Ohm 600 Ohm – Data Mode Delay Between all command characters Between all AT command characters* If user supplied Document No. 607-0003 Revision K3 (09/03 ...
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... CH1799LL Full Function, 33.6kbps, FCC Part 68 Approved, UL 1950 Listed CH1799TBR Full Function, 33.6kbps, FCC Part 68 Approved, UL 1950 Listed, TBR21 Compliant CH1799ETBR Full Function, 33.6kbps, FCC Part 68 Approved, UL 1950 Listed, TBR21 Compliant CH2056 Full Function, 56.0kbps, FCC Part 68 Approved, UL 1950 Listed CH2056ET Full Function, 56 ...
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Cermetek Microelectronics, Inc. NOTES: 1. All dimensions are inches. 2. Case dimensions are nominal + 0.02 inches. 3. Pin length is nominal + 0.03 inches. 4. Cermetek recommends that 0.04 inch diameter plated through holes are used with 0.060 inch ...