Ring Communications CB901EX - Manual (Page 25)

April 2012 Operations Manual CB901EX
FINAL CHECK OUT OF THE SYSTEM
INTRODUCTION
When the system has been installed and programmed, perform the following checks to verify the
operation of the system and related equipment. If the system is found to be faulty, use the following
guidelines to locate the faulty station or printed circuit board(s) and replace the part. This gives
minimum system downtime for the customer.
FINAL CHECK AND COMMISSIONING
When all cables are connected to their corresponding terminal blocks, check that these terminal
blocks are properly plugged into the circuit boards. Check for 24V DC before the system is switched on
(minimum/maximum voltage is 21V DC - 29V DC). Turn system switch ON and check the four upper
front LEDs on the Power Card NFE 1528. All should be lit. Prepare a list of all individual programs
utilized.
Once the cable connections and the central exchange voltages are verified, perform the following
station tests:
a. Station receives warning tone and light when called.
b. Sound quality - in handsfree and handset modes.
c. «Handsfree» voice switching.
d. T-button manual control.
e. Press privacy switch down for microphone cut-off.
f. X-button, released for canceling.
g. Check station’s privacy switch function and 0-button to accept a call, also call back to
the test station while in the privacy position.
h. Check all standard and system features.
i. Check all individual programs allotted to stations.
j. Finally, before leaving, make sure that all users have been instructed in the correct use
of their station and obtain the signature of the client’s responsible representative, accepting the
system in full working order.
Page 25 of 77
Ring-Master