Testing the connection from the network
If there is a problem with your KiloStream circuit, a BT engineer may ask
you to apply a loopback. This helps locate the fault by allowing BT to
test the connection from the network through the local end and the
NTU. To apply a loopback, follow the steps below:
Testing of the operation of the entire circuit
(national 2.4-48kbit/s circuits only)
To test the connection of the operation of the entire circuit, you need to
apply a remote loop. To do this, follow the steps below:
Operating guide
12
press
to
Menu
button
rotate the LCD to
; after three seconds the LCD
changes to
(flashing)
up or down
Scroll
rotate the LCD to
(flashing)
button
Toggle
button
freeze
Prog
button
apply a loopback (the red TM light will be illuminated and, after
one minute, the display changes to
); you can’t
send data to, or receive data from, the distant end
S: LOOP ACTIVE
T: LOOPBACK
T: LOOPBACK
T: LOCAL LOOP
TEST MENU
press
to
Menu
button
rotate the LCD to
; after three seconds the
LCD changes to
(flashing)
up or down
Scroll
button
rotate the LCD to
(flashing)
Toggle
button
freeze
Prog
button
apply a remote loop (the red TM light will be illuminated and,
after one minute, the display changes to
);
you can’t send data to, or receive data from, the distant end
S: LOOP ACTIVE
T: REMOTE LOOP
T: REMOTE LOOP
T: LOCAL LOOP
TEST MENU
