Specifications
4 Multiport Power Meter Getting Started
One of these must always be accessible. If the instrument is in a 
cabinet, it must be disconnected from the line power by the 
system’s line power switch.
Operating Environment
Line Power Requirements
Input/Output Signals
Line Power Connectors
In accordance with international safety standards, the 
instrument has a three-wire power cable. When connected to an 
appropriate AC power receptacle, this cable earths the 
instrument cabinet. The type of power cable shipped with each 
instrument depends on the country of destination. Please refer 
to “Accessories“ in the User Guide for the part numbers of 
available power cables.
WARNING
To avoid hazardous electrical shock, do not perform electrical 
tests when there are signs of shipping damage to any portion of 
the outer enclosure (covers, panels, and so on).
WARNING
The Agilent N7744/5A Optical Multiport Power Meter is not 
designed for outdoor use. To prevent potential fire or shock hazard, 
do not expose the instrument to rain or other excessive moisture.
CAUTION
The Agilent N7744/5A Optical Multiport Power Meter complies with 
overvoltage category II and can operate from the single-phase AC 
power source that supplies between 100 V and 240 V at a frequency 
in the range 50 to 60 Hz. The maximum power consumption is 60 VA 
with all options installed.
CAUTION
There is one input BNC connector: Trigger In (see “Input and Output 
Connectors" on page 15). This is a TTL input. A maximum of 5 V can 
be applied as an external voltage to this input connector. 
There is one output BNC connector: Trigger Out (see “Input and 
Output Connectors" on page 15). This is a TTL output. Do not apply 
an external voltage to this connector.










