IMSA Traffic Signal Technician 2 2025
Update COMPREHENSIVE
FREQUENTLY TESTED QUESTIONS
and verified answers WITH
RATIONALES|100% accurate answers
| already graded A+
Save
Terms in this set (104)
,In a TS2 cabinet, 1
how many times
can the MMU
experience a
"Port 1 Fail" in a 24
hour period
before
the fault is
latched?
On a 2070 MMU Remove diode on program card for
monitor unit, how allowable phases
does the field
tech program
allowable
phases?
On an MMU, is it Yes, it by-passes the conflict feature
possible to tape and will not flash
the reset button
to prevent the
traffic signal from
going into flash?
,On a NEMA CMU Install copper jumpers and soldering
program card, them on the program card
how does the
signal tech
program
allowable
phases?
According to Annually
best maintenance
practices, how
often should
CMU/MMU be
tested?
The MMU The load switch/switch pack produces
indicates a RED- no outputs.
FAIL fault on
phase 6. Why?
The purpose of Controller health
the controller
CVM (Controller
Voltage Monitor)
output is to allow
the CMU/MMU to
monitor the
, When a Replace the CMU/MMU with a newly
Technician is tested unit
recertifying the
CMU/MMU at an
intersection, what
should the
technician do to
have the
intersection exit
flash?
Absence of all Red Fail
colors on a load
switch will be
indicated by what
fault on an MMU
or MMU2?
Which of the Field check
following can be
programmed on
an MMU to latch
after a fault
occurs?
How often is an Once a second
MMU's clock
updated from the
controller?
Update COMPREHENSIVE
FREQUENTLY TESTED QUESTIONS
and verified answers WITH
RATIONALES|100% accurate answers
| already graded A+
Save
Terms in this set (104)
,In a TS2 cabinet, 1
how many times
can the MMU
experience a
"Port 1 Fail" in a 24
hour period
before
the fault is
latched?
On a 2070 MMU Remove diode on program card for
monitor unit, how allowable phases
does the field
tech program
allowable
phases?
On an MMU, is it Yes, it by-passes the conflict feature
possible to tape and will not flash
the reset button
to prevent the
traffic signal from
going into flash?
,On a NEMA CMU Install copper jumpers and soldering
program card, them on the program card
how does the
signal tech
program
allowable
phases?
According to Annually
best maintenance
practices, how
often should
CMU/MMU be
tested?
The MMU The load switch/switch pack produces
indicates a RED- no outputs.
FAIL fault on
phase 6. Why?
The purpose of Controller health
the controller
CVM (Controller
Voltage Monitor)
output is to allow
the CMU/MMU to
monitor the
, When a Replace the CMU/MMU with a newly
Technician is tested unit
recertifying the
CMU/MMU at an
intersection, what
should the
technician do to
have the
intersection exit
flash?
Absence of all Red Fail
colors on a load
switch will be
indicated by what
fault on an MMU
or MMU2?
Which of the Field check
following can be
programmed on
an MMU to latch
after a fault
occurs?
How often is an Once a second
MMU's clock
updated from the
controller?
