WARNING:
The control unit cannot be installed
outdoors.
It
must be installed in an environment
suitable for electronic equipment. Do not expose the
control unit to devices that generate electrical
interference such as arc welders or motors.
SPACE AND
LOCATION
REQUIRIEMENTS
The control unit should be located with the following
points in mind:
●
●
●
CO line protection.
The control unit should be
installed near the Central Office line protectors
provided by the local telephone company. Refer to
“System Grounding Requirements” on page 2-5 for
additional information about line protection.
Ventilation.
Allow at least 1 inch of space on the right
and left sides of the control unit and 12 inches of space
above and below the control unit to prevent
overheating. Do not place the control unit near
extreme heat or in direct sunlight.
Placement.
AIlow at least 1 foot of space to the right
of the basic carrier for expansion and at least two feet
of space to the left for a jack field. Refer to “Wiring
the System” on page 2-12 and “Jack Field Wiring” on
page 2-33 for additional information on space
requirements.
POWER
Listed below are the power requirements and
REQUIREMENTS
specifications for the control unit:
SPECIFICATIONS
●
Voltage range. 99 to 129 VAC
Voltages generated by the power supply remain within
specification for an
ac
line voltage low of 99 VAC.
The system will bridge a 40 millisecond supply outage
without dc voltages being affected.
2-2 Preinstallation Requirements
Содержание administration and
Страница 1: ...AT T 518 600 016 MERLIN II COMMUNICATIONS SYSTEM Installation Administration and Maintenance Manual ...
Страница 40: ...FIGURE 1 9 System architecture Theory of Operation 1 37 ...
Страница 175: ...Top cover Front cover FIGURE 2 27 Control unit covers Testing the System 2 107 ...
Страница 177: ...Top cover E m p t y m o d u l e FIGURE 2 28 Installing the control unit top cover Testing the System 2 109 ...
Страница 179: ...Front cover E m p t y module FIGURE 2 29 Installing the control unit front cover Testing the System 2 111 ...
Страница 211: ...FIGURE 3 I A MERLIN II System Display Console The Administrator Attendant Console 3 3 ...
Страница 213: ... FIGURE 3 2 A BIS 34D Console The Administrator Attendant Console 3 5 ...
Страница 217: ...1 1 FIGURE 3 3 Administration Menu for MERLIN II System Release 3 The Administrator Attendant Console 3 9 ...
Страница 218: ...t FIGURE 3 4 Administration Menu for MERIJN II System with Feature Module 2 3 10 The Administrator Attendant Console ...
Страница 331: ...General Tests 4 55 Reaming the Control Unit 4 55 Testing Outside Lines 4 56 ...
Страница 389: ...Section 5 Ordering Information Ordering Information 5 1 Product Listing 5 1 Ordering Information 5 1 ...