Nautel XR12, Руководство по предварительной установке

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XR12 Transmitter Pre-installation Manual Pre-installation assistance
Page 11-2 Issue 0.17 2005-08-31
The customer is responsible for ensuring that the following stages of installation have been
completed prior to the arrival of Nautel personnel:
• AC power wiring for the transmitter is installed and connected at the breaker panel or the
building’s service entrance. If local electrical codes allow Nautel personnel to connect the
transmitter to the AC supply using the customer's cable, that task is included in this service.
Otherwise, the customer must ensure that an approved electrician is present for this task.
• The RF coaxial cable used to connect the transmitter to the antenna is in place and con-
nected to the antenna, with the transmitter end of the cable left unconnected. The customer
must prepare the cable and install the required connector.
• Where required, all remote control and monitoring cables are installed and connected to the
station equipment (for example, modulation monitor, frequency monitor, and power meter).
• The site is ready for the equipment and adequate protection against lightning and lightning
induced transients has been provided.
• The transmitter is unpacked and has been closely checked for any damage caused by ship-
ping.
• The following test equipment is available at the site:
– Two-channel oscilloscope (with probes)
– Audio signal generator
– Distortion analyzer
– Modulation monitor
– Frequency counter
– 50 ohm test load (rated for 150% of carrier power, VSWR less than 1.1:1)
Nautel’s service representative takes full responsibility for commissioning the transmitter, validating
all external interfaces (for example, the AC supply, RF output, remote control and monitoring
equipment) and checking out the equipment prior to activation. The representative turns on the
transmitter, performs all adjustments and set-up procedures, and carries out ‘proof of performance’