Toshiba Strata DK 280 Installation Manual page 153

Table 4-l 8
PCOU Controls, Indicators, and Interface Connectors
,
Control/Indicator/Connector
Type of Component
Description
CO Line Circuit 1
Red LED Lights to indicate CO line circuit 1 is in operation
Indicator CD1 12
(Note: CO line indicator will not light unless PCOU is
connected to a CO).
CO Line Circuit 2 Red LED Lights to indicate CO line circuit 2 is in operation
Indicator CD21 2
(Note: CO line indicator will not light unless PCOU is
connected to a CO).
CO Line Circuit 3 Red LED Lights to indicate CO line circuit 3 is in operation
Indicator CD312
(Note: CO line indicator will not light unless PCOU is
connected to a CO).
CO Line Circuit 4
Red LED Lights to indicate CO line circuit 4 is in operation
Indicator CD412 (Note: CO line indicator will not light unless PCOU is
connected to a CO).
Jl Connector
Modular connector Interface connector for CO line circuits 1 and 2.
J2 Connector
Modular connector Interface connector for CO line circuits 3 and 4.
PAD Switch SW 101 2-position slide Enables -3dB signal level drop for CO line circuit 1.
PAD Switch SW201 2-position slide
Enables -3dB signal level drop for CO line circuit 2.
PAD Switch SW301
2-position slide
Enables -3dB signal level drop for CO line circuit 3.
PAD Switch SW401
2-position slide Enables -3dB signal level drop for CO line circuit 4.
nl,^^..^
CO LINE
LED'S
BACKPLANE CONNECTOR
SW401
OR
PAD
E
PAD
CO LINE MODULAR CO LINE MODULAR
JACK CIRCUITS 3 AND 4 JACK CIRCUITS 1 AND 2
Figure 4-25
PCOU Controls, Indicators, and Interface Connectors
January
1996 4-37