SELECTOR EQUIPMENT TESTS
The tests described in this section are designed to verify
that the selector equipment, identified in table 4-5, is
functioning properly. Table 4-5 provides a cross-reference
to the assembly number and schematic diagram figure number f o r
each major item of selector equipment.
Selector Equipment Cross Reference Index
Selector control circuit
Code converter circuit
MF detector circuit
Routing Digit Response Capability.
a . Purpose. T h e p u r p o s e o f t h i s t e s t i s t o v e r i f y t h a t t h e
selector control circuit will respond properly to the individual
b . Test Equipment and Materials. A S e l e c t o r / S e l e c t o r C o n t r o l
Test Set, SC-433858-028, is r e q u i r e d f o r t h i s t e s t .
c. Test Connections and Conditions. The following test con-
nections and conditions apply to this procedure.
(1) If the equipment must be kept in continuous operation,
perform this test during periods of light traffic.
(2) The busy position for BSY switches is with the slot
horizontal. The normal position is with the slot vertical.
(3) The selector control referred to as the one under test
is considered to be the one on the near side of the equipment row.
The one referred to as the reverse side selector control is con-
sidered to be the one on the far side of the equipment row.