ABB ETL600 Instruction Manual page 303

Revision:
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3. Feed a 800 Hz tone, with the configured level from remote side into AF1-IN of remote
equipment.
4. Take a measurement of the output level at AF1-OUT of the local equipment. It should be
in 1 dB range of the configured output level from the local equipment.
5. Take a measurement of the output level at P2W-OUT of the local equipment. It should be
in 1 dB range of the configured output level from the local equipment.
6. Activate LOCAL/TRANSIT at remote equipment. . If LOCAL/TRANSIT is configured as
'inverted', contacts at terminal, telephony, 5a-4b must be opened, otherwise closed.
7. Feed a 800 Hz tone, with the configured level from remote side into P2W-IN of remote
equipment. Note, the input levels of AF1-IN and P2W-IN are normally configured
different.
8. Take a measurement of the output level at P2W-OUT of the local equipment. It should be
in 1 dB range of the configured output level from the local equipment.
9. Check PAX-BLOCKING relay. In normal operation contacts at terminal, telephony, 6b-7a
should be closed and contacts 6a-6b should be open.
Switch off the remote equipment, after the programmed delay time the link alarm occurs.
Now contacts at terminal, telephony, 6b-7a should be open and contacts 6a-6b should be
closed.
B.10.9 Transit mode for E&M wire
The following tests must only be done, if the operation mode 'Transit mode for E&M wire' is
configured at the local equipment.
1. Toggling the M-WIRE at remote equipment, E-WIRE output should toggle simultaneously
at local equipment. Note, E-WIRE is a switching contact without inherent voltage source
and without polarity.
B.10.10 Testing of the teleoperation ports
For testing the teleoperation ports, first nominal signal levels must be fed into the teleoperation
input port with a level generator. The output level at the other side of the link must then be
measured and compared to the nominal output level. An example of a link configuration is given
below.
First method:
This method only works, if identical Reference signal and identical level unit for the reference
signal, dBm (RMS) or dBm (PEP) is selected on both sides of link.
1. Determine the correct input level fed into the remote equipment.
The Reference signal level input, listed in the configuration printout of the remote
equipment should be fed into AFx-IN of the remote equipment.
2. Determine expected output level of AFx-OUT of local equipment.
The Reference signal level output of AFx-OUT of the local equipment is the expected
output level.
3. Take the measurement with a selective level meter.
Second method:
This method works with any configuration of AF ports, which are switched on.
1. Determine the correct input level fed into the remote equipment.
The Reference signal level input, listed in the configuration printout of the remote
equipment should be fed into AFx-IN of the remote equipment.
2. Calculate expected output level of AFx-OUT of local equipment.
L
3. Take the measurement with a selective level meter.
Example:
Applying the first method to the configuration given below, a sinus with –9.0 dBm is fed into remote
equipment. The tone is expected with –6.0 dBm at AFx-OUT of local equipment.
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L ( R el . Input Level
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