BY^W9d
Telephone Line Simulator
Page 1
© 1995-1999
BY^W9d
™
Quick Reference Guide
Digital Products Company, USA
Tel 916-985-7219, Fax 916-985-8460, E-mail [email protected]
http://www.digitalproductsco.com
R
ING
-I
T
’s LED readout is used to indicate Mode, Cycle Time, and dialed digit information. Its decimal
point is illuminated only when the mode or cycle time is shown; a decoded DTMF (Dual Tone Multi-
Frequency) digit is shown as a value without the decimal point.
R
ING
-I
T
has five different operational modes that can be invoked through one of the front panel mounted
push switches. The LED readout displays the current mode that is in use. The five modes can be
invoked by pressing the M
ODE
switch; the active mode is shown in the LED display. The modes are
summarized as follows (the bracketed value indicates the corresponding LED display):
[n.] Normal Ring Mode
[A.] Automatic Ring Mode
[b.] Beep Tone Mode
[c.] Cycle Ring Test Mode
[d.] Dumb Mode
[n] Normal Mode
The
normal mode is used when you want standard telephone system emulation. When you take the
M
AIN
line’s (line 1) phone off-hook, a dial tone is heard. If you do nothing for twenty seconds then a
“reorder” sound is heard. If you tone dial any seven digit phone number then the Test line’s (line 2)
phone will start to ring. When the T
EST
line answers the front panel
CONNECT
LED will light up.
While you press the DTMF keys of your phone, the corresponding digit will appear in the LED display
for up to two seconds. The “
L
” tone is shown as “A”, and the “#” key is shown as “P.”
If you attempt to ring the
TEST
line and it is off-hook, then a busy signal will be heard. Please note that
because it is a one-way device, the T
EST
line can not be used to ring the M
AIN
line.
There are some shortcuts in the
normal mode that can be used to ring the T
EST
line. For example,
pressing the M
AIN
phone's DTMF “
L
” key will immediately start the ring request. The front panel R
ING
switch will also start the ring cycle, which can be used if the M
AIN
line's phone is not DTMF compatible.
The
normal mode is perfect for demonstrating telephone equipment such as answering machines, Fax
systems, Voice mail, modems, and more! Because the standard call progress audio tones are heard,
your demonstration will appear more natural to your audience and equipment.
[A] Automatic Ring Mode
The
automatic ring mode is similar to the normal mode except that ringing begins immediately after the
M
AIN
line’s phone is answered. This operation is sometimes called a “Ring-Down line” by phone system
manufacturers. If either line is off hook when the other is answered, the two lines will be automatically
connected together.
