A-4 Courier V.Everything Getting Started Guide
This feature Supports
Data format Binary, serial; defaults to 8-bit word
length, no parity, and 1 stop bit.
Word
Length
Parity (1 Bit) Stop
Bits
7 Even, Odd,Mark,
Space
1
7 None 2
8 None 1
Flow control buffers Variable sizes
Command buffer 56 characters, excluding the AT prefix,
Carriage Return and spaces
Test options Remote digital loopback, digital
loopback, test pattern, and dial test
Failed call timeout 60-sec default, programmable 2-255 sec
Answer tone timeout 60 sec
Answer tone detector 2080-2120 Hz
Loss of carrier (Disconnect Timer) 0.7 second default, programmable
0.2-25.5 sec
Equalization Adaptive
Receive sensitivity - 43 dBm + 2 dBm
Transmit level - 9 dBm maximum
Transmitter frequency tolerance .01%
Certification FCC Part 15, Class B Domestic; IC
(Canada) CS-03, UL listed
Ringer equivalence 0.4 b
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