Table 3-1. Controls, Indicators and Connectors

TM 11-7010-201-40-5/ET821-AA-MMI-050/E154 MTS/TO 31S5-2TSQ73-2-5

Table 3-1. Controls, Indicators and Connectors

Control/Indicator

Function

Y ADDRESS indicators 1, 2, 4, 8,

Displays binary configuration of MTS Y address counter.

16, 32

X ADDRESS indicators 1, 2, 4, 8

Displays binary configuration of MTS X address counter.

TC indicator

Display status of test clock control logic.

CK indicator

Displays status of clock signals to card under test.

Indicators 1 through 72

Displays status of selected control lines dependent on

position of

DATA/FUNCTIONAL/CONT selector switch.

CARD ID indicators 1, 2, 4, 8, 16,

Display binary code which identifies card under test.

STATE indicators 1, 2, 3, 4, 5, 6, 7,

Displays status of MTS state counters.

8, 9, O

SELF TEST indicators 0, 1, 2, 3, 4,

Displays status of self-test data check logic.

5, 6, 7

LT momentary pushbutton switch

When pressed, lights all front panel indicators for lamp

test.

SCP momentary pushbutton switch

When pressed, enables sub-state counter to advance 1

cycle after having been stopped by either the SS or

BCP switch.

BCP two-position toggle switch

When set to up position, stops sub-state counter at end

of each cycle for single stepping.

SS two-position toggle switch

When set to up position, stops sub-state counter at end

of cycle if an error has occurred during that cycle.

DATA/FUNCTIONAL/CONT

Enables indicators 1 through 72 to display three different

types of

three-position rotary switch

data:

Switch Position

Displayed Information

DATA

Data being strobed onto MTS

probe.

FUNCTIONAL

Functional errors detected by

data

comparison logic.

CONT

Continuity errors detected by

data

comparison logic.

JO1 connector receptacle

Test aid cable assembly input.

CAL binding posts

Power input (+ 5vdc) for functional test.

Red (+ 5vdc)

Black (GND)

3-2