CTI Products DC Distribution Panel Gebruikershandleiding - Pagina 4

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CTI Products, Inc.

NTRODUCTION

The DC Distribution Panel is an accessory to the MCN Monitoring and Control Network product family. It

provides distribution and monitoring for dual redundant power supplies for cases where a power supply failure

cannot be tolerated. The DC Distribution Panel has independently fused inputs for two power supplies, and 20

independently fused outputs. Each input and output fuse is monitored via Green/Red (OK/Fail) LEDs to aid in

correcting a power supply problem. In addition, an audible alert is available to indicate any failure.

The DC Distribution Panel mounts in an EIA 19" rack and is 2 rack units (3.5") high. Two (redundant) supplies

also mount in a single EIA 19" rack and is also 2 rack units high.

Part Number

S2-61160

81-11812

Figure 1 shows the front view of the DC Distribution Panel.

IRCUIT

ESCRIPTION

The outputs from redundant power supplies are independently connected to inputs on the DC

Distribution Panel. Each supply input is separately fused with an automotive style fuse, and has

an "OK" and "FAIL" LED indicator. When the input supply is present (and the input fuse is

intact), the corresponding green "OK" LED is lit. If either input supply is not present, or the fuse

is blown, the green "OK" LED for that input is turned off, and the red "FAIL" LED is lit. In

addition, an on-board buzzer sounds when either supply input is not present, or if any of the input

(???, ??? or output (??? – ???) fuses are blown. The buzzer may be disabled by setting the front

panel switch to the ??? "OFF" position.

The DC Distribution Panel passes the supply current from the input supplies to 20 outputs. Each

supply output is separately fused, and has an "OK" and "FAIL" LED indicator. When the output

supply is present (and the output fuse is intact), the corresponding green "OK" LED is lit. If an

output supply is not present, or the fuse is blown, the green "OK" LED for that output is turned

off, and the red "FAIL" LED is lit. ???

Fuses

Table 1 lists field replaceable fuses for the DC Distribution Panel.

Designation

F1, F2, F3, F4

Index

Description

DC Distribution Panel

Power Supply

Figure 1 DC Distribution Panel Front View

Fuse

CTI

Part Number

65-11820

DC Distribution Panel User Guide

Description

Fuse 1A 60V Fast Blow GMT Indicating