Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
ARD TEST PROCEDURE
VF-16B
Location 1
VF-16
VF-16A
VF-16B
or VF-16E
Location 2
PHONE
PHONE
1. Connect telephones to the channel under test on the modules at both Location 1 and Location
2.
2. Check the settings of DIP switches to make sure that both modules are set to use the same time
slots.
3. If location 2 uses a VF-16, VF-16A or VF-16E set the channel under test of the module at
location 2 to Loop Start.
4. Set the channel under test on both modules to ARD operation.
5. Set both modules to local control.
6. Set service on for both modules.
7. Lift the handset on the phone at location 2.
The phone connected to the VF-16B at location 1 will ring (1.5 seconds on, and 4.5
seconds off).
8. Listen to the handset on the phone connected to location 2.
A ringback tone will be heard.
9. Answer the phone connected to the VF-16B at location 1.
The phone will stop ringing.
10. Verify that the voice level is adequate in both directions, and that the noise level is acceptably
low.
11. Hang up the phones and repeat Steps 7 through 10 in the other direction.
12. Change the settings on both modules, if necessary, to suit the desired circuit configuration.
The circuit may now be placed in service.
TROUBLESHOOTING
If there is an apparent malfunction, first check that the configuration is appropriate for the transmission
system in use, and that the transmit and receive configurations are identical.
Problems may occur at the common equipment or facility level that may affect the operation of this
module. Refer to the “Maintenance” section in your multiplexer manual for system analysis
procedures.
RFL VF-16B RFL Electronics Inc.
January 17, 2007 37 (973) 334-3100
To Next Page
Loading...