ch1817lm ETC-unknow, ch1817lm Datasheet
ch1817lm
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ch1817lm Summary of contents
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Family of Low Profile DAA Modules INTRODUCTION The CH1817 is a Family of Low Profile Data Access Arrangement (DAA) Modules. with all modem chip sets. These devices have been tested to meet or exceed FCC Part 68 requirements and are ...
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Cermetek Microelectronics, Inc. Hook Switch. The OFFHK input is used to control the on-hook and off-hook status of the CH1817. When OFFHK is low, the CH1817 is in the On-Hook State. This indicates to the CO that the CH1817 is ...
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Cermetek Microelectronics, Inc. Pin Name I/O 1 TIP I/O TIP. Direct telephone line connection. 2 RING I/O RING. Direct telephone line connection. 3 OFFHK I OFF HOOK. When set LOW, the CH1817 is placed On-Hook. When set HIGH, the CH1817 ...
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Cermetek Microelectronics, Inc. CH1817-L: LOW POWER The L Family is a Low Power version of the CH1817 DAA. When Off-Hook, this DAA draws only 4mA through When On-Hook, the L Family can be configured so that the ...
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Cermetek Microelectronics, Inc. Figure 3. Telephone Line Interface. 1. RJ-11 Jacks must be provided by one of the vendors on the list. Refer to Application Note #130, Summary of Recommended Suppliers. 2. Current Line Device: F1 and F2 – 1.25amp. ...
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Cermetek Microelectronics, Inc. Table 2. Parameter Supply Current Off-Hook Off-Hook Transmission Attenuation between transmit input and telephone line at Insertion Loss 1800Hz with 600Ohm termination: CH1817-L measured XMIT(+) with respect to GND CH1817-DM measured XMIT(-) with respect to XMIT(+) CH1817-LM ...
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... Model CH1817D UL1459 Listed, XMIT attenuated by 0.0dBm, Differential input CH1817L UL1459 Listed, XMIT attenuated by 9.5dBm, Single ended input CH1817LM UL1459 Listed, XMIT attenuated by 6.5dBm, Single ended input CH1817DM UL1459 Listed, XMIT attenuated by 6.5dBm, Differential input CH1817ET* UL1459 Listed, XMIT attenuated by 9.5dBm, Single ended input CH1817LET* UL1459 Listed, XMIT attenuated by 9 ...