Tandy DCM-7 Operation Manual page 68

Index
Full duplex ............................. .43
Half duplex .... _. ........................ 43
Hayes protocol.. ........ 7-8, 9, 21-28,
39-48
changing the register
value ............................. 25
checking the register
value ............................. 25
dialer codes ....................... 40
DIP switch settings,
table of ........................... 8
programming
commands ........ 22-23, 39-44
registe,r commands .......... 24-25
registers ................... 24, 44-47
result codes ....................... 26
sample programming
session ........................... 21
Hook switch control. ............... .44
Line feed code ......................... 45
Logging on .................... 13, 26-28
Loss of carrier ......................... 18
Loss of data terminal ready ........ 18
Maintenance ............................ 55
Manual mode
operations .................. 11, 36, 40
answering the phone ....... 14-15
making a call.. ................... 15
Multi-line telephones ............ 50, 56
configuring the mode,m ........ 56
connecting the mode,m ......... 50
Numerical result
codes ...................... 7, 8, ·22, 26
Off-hook indicator ..................... 3
On-line command .................... .42
On-line mode, aborting ............. 18
loss of carrie,r .................... 18
62
loss of data terminal ready ... 18
receiving a long space .......... 19
transmitting the abort
character .................. 18, 32
Originating a call ..................... 37
Pause. command, in Hayes
protocol. .............................. 41
defining the duration ......... .46
Pause, flag, in Tandy protocol.. ... 33
Performance specifications ......... 57
Phone
ja~k
...................... : .. .4, 49
Power jack ......................... .4, 51
Power source ........................... 51
Programming commands See
command codes
Pulse dialing ...................... 3 3, 41
Received data indicator ............... 3
Registers .................... 24-25, 44-47
changing the value .............. 25
checking the value .............. 25
Repeat command ...................... 42
Reset command ....................... .43
Result codes
for Tandy protocol.. ........... 19
for Hayes protocol.. .... 7, 8, 26
mode selector .................... 43
ON/OFF toggle ................ .43
Reverse mode .......................... 41
Ring/retry .................... 16, 17, 35
Rotary dialing See pulse dialing
RS-232C cables, for connecting the
modem to a compute,r. ........... 51
RS-232C standard
DB-25 jack ...................... .4, 51
Schematic ............................... 59
Self test mode ............... 17, 37, 55
programming in Tandy
protocol.. ............ 17, 37, 55