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run if there is special equipment in the co you're testing in. If you are |
testing a non-locally switched line with the SSA request, channel tests must |
be run separately with this request. Chan may also be used to run channel |
isolation tests on switched lines from the tv or stv mask, but these tests are |
included when you do a full or loop on a switched line. |
Change: Change status information |
Change allows you to change cable, pair or comment information that is |
displayed without having to request a test or any other type of information. |
the permanent line record information is not changed. To request a change, |
enter "change" in the req field of the tv and enter the change of information. |
Chome: Home totalizer on a coin telephone |
Chome attempts to return a totalizer to the starting position (home) for |
counting coins. The totalizer counts the coins and sends a tone back to the |
co for every 5 cents deposited. If it is not homed, coins can't be deposited. |
A chome request tells you whether the totalizer was homed, how many tones were |
sent to the co, and the current that was used to home the totalizer. A line |
must already be accessed to request a chome. Chome is often used when a |
repair person is trying to fix a coin telephone. |
Co: Test the central office equipment |
Co initiates a series of tests on the subscriber's line circuit. Co can be |
requested using either a no-test or an MDF trunk. A no-test access connects |
you to the entire loop but a co request tests only the inside portion. An MDF |
access is only connected to the inside portion of the loop. The outside |
portion is physically disconnected. Use a no-test access when you are fairly |
sure the trouble is inside the central office. Use a co on an MDF access when |
you are not sure where the trouble is. |
Coin: Test a coin telephone set |
Coin initiates a full series of tests on a telephone line. The station set, |
the totalizer, the coin relay, the loop and the co equipment are checked. If |
the coin request finds something wrong with either the totalizer or the relay, |
it stops testing and tells you the trouble is in the set. If it finds nothing |
wrong, it runs the full entries of tests. Coin may be used when a repair |
person is trying to fix a coin telephone. If a coin phone is newly installed, |
coin will check the set even though there is no line record. |
Cret: Operate coin relay to return coins |
Cret attempts to return any coins that may be lodged in the hopper of a coin |
telephone set. It operates the coin relay so that it will return the coins. |
It tries to return them 3 times before giving up. If it is successful, it |
also checks the speed of the relay. It does not check the totalizer or the |
rest of the line. You should have access to the line before you request a |
cret. You will use cret primarily when you are talking to a repair person who |
is trying to repair coin telephone. |
Cset: Check totalizer and relay in coinset |
Cset checks the totalizer and the coin relay in a coin telephone set. The |
totalizer is the mechanism in the phone that counts deposited coins and sends |
a tone back to the co for every 5 cents that is deposited. The relay is the |
mechanism that either returns or collects the coins that are deposited. Cset |
does not check the co or loop parts of the line. Cset can be used when you |
are talking to a repair person who is fixing a coin telephone. |
Dial: Test a subscriber's rotary dial |
Dial checks the subscriber's rotary dial. You must be in contact with the |
subscriber,either over a callback path or over a ddd line. For the dial |
request to work correctly, tell the subscriber to dial a "0" after hearing |
brief dial tone. The results of a dial request tell you whether the dial is |
okay or not, whether the dial speed is okay and what the speed is, and whether |
the break is okay and what the break is. Use the dial request when you |
suspect a problem with the telephone set. The trouble report could be "Can't |
call out' or 'Gets wrong numbers", for example. |
Dtout: Test a pbx line circuit |
Dtout initiates a series of tests on a pbx line circuit. Dtout must be |
requested using an MDF trunk. It is used to draw dial tone and check the |
arrangement of the pbx line circuit. Use dtout when you need to check the |
condition of special service circuits that do not use central office switches. |
Full: Test the entire telephone line |
Full starts a series of tests that do an extensive analysis of the entire |
line. This includes both the inside and outside portions. Many individual |
tests are run and the most important results are displayed in the summary |
message. Outside, MLT checks for AC and DC faults. Inside, it checks the line |
circuit and dial tone. The results may also include many other types of |
information about the line. You might request full line test when you first |
access a line or when you need to know a lot about a line. |
Grm: Get fast ground resistance measurement |
Grm gives you a quick measurement of the DC resistance of the ground path from |
the strap to the test hardware. Before you do a grm, have the repair person |
strap the tip and ring wires to ground. If this isn't done, grm will give you |
incorrect values. The line must be accessed before you do a grm request. You |
can use grm when you are talking to a repair person who is fixing a coinset. |
The resistance values obtained from a grm can be compared to old resistance |
values that are stored inside each coinset. |
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