Chapter 1515-64G3 Signal Transmission TestA press on '4' on the keypad from the MODEM NCU Test menu selects the G3 signal transmission test. In this test,the following G3 signals from the modem are transmitted using the telephone line terminal and the speaker. To selecta different transmission speed, use the keypad.T-15-54MEMO:The output level of individual signals is in keeping with the setting made in service mode.DTMF Signal Transmission TestA press on '5' on the MODEM NCU Test menu selects the DTMF signal transmission test. In the test, the followingDTMF signals from the modem are transmitted using the telephone line terminal and the speaker. The numberpressed on the keypad selects a specific DTMF signal.MEMO:The output level of individual signals is in keeping with the setting made in service mode.Tonal/DTMF Signal Reception TestA press on '6' on the keypad from the MODEM NCU Test menu selects the tonal signal/DTMF signal reception 0test. In this signal, the tonal signal/DTMF signal received from the telephone line terminal can be checked to findout if it was detected by the modem.Keypad Frequency0 300 bps1 2400 bps2 4800 bps3 7200 bps4 9600 bps5 TC7200 bps6 TC9600 bps7 12000 bps8 14400 bps