TACTICAL TELEPHONES AND SWITCHBOARDS
Critical Task: 01-5710.07-0001
In this lesson, you will learn the different telephones and switchboards used by the Army in support of a
division, corps, or echelon above corps (EAC).
TERMINAL LEARNING OBJECTIVE:
Describe the different tactical telephones and switchboards.
You will have this lesson material, paper, pencil, and no supervision
To demonstrate competency on this lesson, you must achieve a minimum of 70
percent on the subcourse examination.
Today, the Army uses many different types of telephones and switchboards. The mission involved and
units employed will determine the equipment requirements and their reconfigurations.
1. Types of telephones. We can divide the tactical telephones into two major groups-common-battery
and local-battery equipment. Normally, units at company and battalion level use local-battery
equipment. At the brigade level and up, we use common-battery equipment. Table 1-1 provides a list of
the telephones and switchboards most commonly used. Part A of this lesson provides their technical