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Fax Operation

9-8 Modem 3600

The Modem 3600 returns an ERROR result code if any of the above

commands are issued while the modem is on hook.

Facsimile Transmit +FTM=(Mod)

+FTM=(Mod) causes the modem to transmit data using the modulation

and speed selected with the (Mod) parameter. For V.27 ter, V.29, and

V.17 modulations, the modem first transmits the required training

sequence (with echo protector tone). After it is appropriately configured

for transmission, the modem returns the CONNECT result code and

transmits constant 1 bits until data is received from the DTE. For

additional information, consult the Class 1 specification.

Facsimile Receive +FRM=(Mod)

+FRM=(Mod) causes the modem to receive data using the modulation

and speed selected with the (Mod) parameter. If the selected carrier is

detected, a CONNECT result code is sent to the DTE; if a different

signal is detected, the modem sends a +FCERROR (CONNECT

ERROR) result code and returns to command mode. This command is

aborted if the DTE sends any character to the modem other than DC1 or

DC3 during this mode. For additional information, consult the Class 1

specification.

98 V.17 9600 bps *

121 V.17 12000 bps

122 V.17 12000 bps *

145 V.17 14400 bps

146 V.17 14400 bps*

Table 9-1. Values for Fax Modulation (Continued)

Value Modulation Speed

with short train

1 2 ... 137 138 139 140 141 142 143 144 145 146 147 ... 269 270

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Black Box MD1000C Guía de usuario Pagina 142