Table 6-2.--Switch and Fuse Panel, Cabinet 1, Controls and Indicators

Table 6-1.--Switch and Fuse Panel, Cabinets 1 and 2, Controls and Indicators

FUNCTION

POSITION/INDICATION

DESIGNATION

Isolate link from switchboard to prevent

Up--link in service.

LINK Switches

Down--link out of service.

seizing a link that is malfunctioning.

Up--link control in service.

Isolate link control from switchboard to

LC Switches

Down--link control out of

prevent seizing of link control or group of

links that are malfunctioning.

service.

An LC switch set in the down

position will also place the links,

associated with that link control,

out of service.

Up--crossbar switch in ser-

Isolate crossbar or group (10) of lines

LINE GROUPS

vice.

from switchboard to prevent seizing a

AND CROSSBAR

Down--crossbar out of ser-

crossbar switch or group of lines that

SWITCH NUM-

vice.

are malfunctioning.

BERS Switches

When a LINE GROUPS AND

CROSSBAR SWITCH NUMBERS

switch is set to the down position,

all LINES IN SERVICE switches

associated with that group must be

set to the up position to prevent

system failure.

Isolate line from switchboard due to:

Up--line in service.

LINES IN

--Excessive howler time.

Down--line out of service,

SERVICE

--Telephone or ship's wiring fault.

Switches

--No telephone connected.

Table 6-2.--Switch and Fuse Panel, Cabinet 1, Controls and Indicators

DESIGNATION

FUNCTION

POSITION/INDICATION

ATT TURR

Conditions attendant's cabinet for in-port

PORT (up)--PWR indicator

(active) or at-sea (inactive) operation.

PORT/SEA

on (attendant's cabinet).

Switch

SEA (down)--PWR OFF

indicator off (attendant's

cabinet).

ECI Switch

Selects one of three stations to which

201--Quarter Deck.

the emergency cut-in feature will be

2 0 3 -- A u x i l l a r y Quarter

assigned.

Deck.

222--Bridge.

6-22