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3 User Functions MIX 56 User Manual
3-4 Telect, Inc. 122188-10 A0
When you insert a plug into the monitor jack, the jack’s LED flashes for 30
seconds, and then lights steadily. If the circuit is cross-connected, the cross-
connected network element’s LED flashes and lights, as well.
MODEM OPERATION
You can connect a modem to the MIX 56 serial port to control the system
remotely over an analog phone line. To do so, you must set the “Modem
Detect” field on the System Interfaces screen to “Enabled” (Chapter 2) and
install the modem according to the instructions in Chapter 2. When you
have done so, activate the modem by pressing and holding the ACO switch
until all LEDs light (LED test), then release the switch.
If you set Modem Detect to “Enabled,” but you have a PC rather than a mo-
dem connected to the MIX 56 serial port, the modem detect code
“+++ATQ” appears on the screen at the current location of the cursor when
you release the ACO switch. To clear the “+++ATQ,” switch to another
MIX 56 screen.
The modem automatically detects baud rate at the MIX 56 serial port when
the modem is off-line. Once the modem is on-line, it will not change its
baud rate. If you change the MIX 56 baud rate (System Interfaces screen)
while the modem is on-line, you create a baud mismatch between the MIX
56 and modem, which shuts down the connection. The only way to regain
the connection is to “hang up” at the remote modem, press the ACO switch
until the LED test starts, release the switch, and reestablish the link from
the remote end.
To disconnect a modem, see the instructions in Chapter 2.
M
O
NIT
O
RIN
G
A NETW
O
RK
ELEMENT’S OUTPUT SIGNAL
NETWORK
ELEMENT #1
LED of the cross-
connected network
element also lights
LED lights when monitored
M
O
I
M
O
I
Monitors output of
Network Element #1
M
O
I
NETWORK
ELEMENT #2
(cross-connected to
Network Element #1)