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Help: List the valid tv requests |
Help returns a list of all of the valid requests used in MLT-2. Help can be |
used when you are not sure which request to use in a particular situation, or |
when you can't remember an exact request name. For example, the correct entry |
to reverse polarity on a touch-tone line is "Rev.", help will tell you this. |
For a description of any specific request, enter the name of the request |
followed by a question mark. |
Info: Get general information about a line |
Info gives you the wire center name and the location of the frame; the |
exchange key, MDF group and MDF trunk numbers associated with the subscriber's |
line; the telephone number at the appropriate frame; and the assignment |
telephone number. You can get information about a whole telephone number, an |
NPA-NXX-, or an exchange key. MLT does not access the line when you request |
info, but it keeps access if you already have it. If there are multiple |
frames in an office, MLT give you information about all of them. |
Keep: Keep an access that you already have |
Keep lets you hold access to a no-test or MDF trunk that is about to |
"timeout." MLT keeps track of which trunks you have accessed but have not |
used for a while. MLT will automatically drop the access for you after a |
certain period of time. About 2 minutes before dropping the access, MLT gives |
you a warning message and also highlights the status line that will be |
dropped. If you want to keep the access, you should enter "keep" in the req |
field and the tn or line number of the access to be held. To drop an access |
when your are finished with it, enter an x in the req field. |
Lin: Test the inside part of the loop |
Lin starts a series of tests on the inside portion of a line. Lin includes |
the same tests as the loop test and can identify a co line circuit if one is |
present. Lin does not do the regular line circuit and draw and break dial |
tone tests. An MDF access is required for a lin request. You can use lin to |
test special circuit that do not use co switching machine. For example, if |
the circuit has 2 loops connected at the frame, lin lets you look at the |
second loop (both full and loop only test toward one loop). |
Lloop: Run the long loop analysis on the outside or loop part of a line |
The ll request starts a series of tests which do extensive analysis of the |
outside portion of the subscriber's line. It is specifically designed to |
handle cases that the regular loop request was not designed to handle. These |
cases include very long loops (over 100,000 feet) and multiparty lines on |
moderate-to-very-long loops. It does similar measurements to those that loop |
does, but analyzes the results differently. It expects to see a loop that has |
no dc faults or only very light dc faults. If you use a loop on lloop on a |
loop that has serious dc faults it will not do the long loop analysis. |
Loc1: Measure distance to 1-sided resistive fault |
Loc1 gets MLT to measure how far a one-sided fault is from the repair person, |
because telephone lines can be very long, it can be difficult for a repair |
person to find the location of a resistive fault. You can use loc1 to help |
the repair person have 1-sided fault. You should be in contact with the |
repair person on a line other than the one being measured. Have the repair |
person open the pr at a ready-access point beyond the fault if possible. Ask |
him/her to strap the pr tip to ring. Remember to enter a temperature on the |
tv mask before you transmit the loc1 request. |
Loc2: Measure distance to 2-sided resistive fault |
Loc2 gets MLT to measure how far a two-sided fault is from the repair person. |
Remember that you must run a locgp before you run a loc2 and that you must be |
in contact with the repair-person on a line other than the one you will be |
measuring. The repair-person must connect the bad pair to the good pair in a |
specific way, the exact method to use is explained in the results of the locgp |
request. Logcp and loc2 can also be used to sectionalize a one-sided |
resistive fault. Remember to enter a temperature on the tv mask before you |
transmit the loc2 request. |
Look: Look for an intentional fault |
Look is used to identify a fault, usually a short or ground, that has been |
placed on the line by the repair person. Look can be used when a repair |
person is having trouble locating a particular line. Look gets MLT to monitor |
the line that the repair person is looking for. When the repair person shorts |
or grounds the line, mlt sends a tone to you over your headset. You can tell |
the repair person that you "see the short". A callback path is required for a |
look request. You should talk to the repair person on a line other than the |
one you are working on. |
Lookin: Look for an intentional fault on a special services line |
Lookin is used to identify a fault, usually a short or ground, that has been |
placed on the special services line by the technician. Lookin is used to |
locate a particular line by having MLT monitor the line that the repair person |
is looking for. When the repair person shorts or grounds the line, MLT sends |
a tone to you over your headset. You can tell the repair person that you "See |
the short." A callback path is required for a lookin quest. You should talk |
to the repair person on a line other than the one you are working on. MDF |
access is required. |
Loop: Test the outside part of the loop |
Loop starts a series of tests that do an extensive analysis of the outside |
portion of the line. Loop does every test that full does except the line |
circuit and draw and break dial tone tests. Loop can be requested using |
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