BT NTU6 - Terminal Equipment Testing Procedure

Types of Test Loops
Testing your terminal equipment
To test the connection and operation of your terminal equipment through
the customer interface of the NTU, you need to apply to a local loop. To do
this, follow the steps below:
Operating guide
11
For international KiloStream circuits
Customer
Terminal
Equipment
NTU
Customer
Terminal
Equipment
NTU
Distant siteLocal site
UK
access
section
Distant
access
section
LoopbackLocal
loop
Digital Network
Main Link
International
Gateway
International
Gateway
Distant countryUK
press to
Menu button rotate the LCD to ; after three seconds the LCD
changes to
(flashing)
Toggle button freeze
Prog button apply a local loop (the red TM light is illuminated and, after one
minute, the LCD changes to ); you can’t send
data to, or receive data from, the distant end
S: LOOP ACTIVE
T: LOCAL LOOP
T: LOCAL LOOP
TEST MENU