4. 66-TYPE HARDWARE—SYSTEM 75 AND SYSTEM 75 XE INSTALLATIONS
CONTENTS
GENERAL
66-TYPE HARDWARE DESCRIPTION
66M1-50 Connecting Block
Non-Connectorized 66-Type Connecting Blocks
Connectorized 66-Type Connecting Blocks
Multiple-Mounted 66-Type Connecting Blocks
183-Type Backboards
187B1 Backboard
Power Adapter Cords
Jumpers
Tools
Bridging Clips
ASSOCIATED HARDWARE
Cable Slack Managers
General
Z113A Housing
Z114A Housing
NETWORK INTERFACES
RJ21X Network Interface
RJ2GX Network Interface
1.544 Mbps Digital Service Interfaces
SNEAK FUSE PANELS
575-4 Sneak Current Fuse Assembly
EMERGENCY TRANSFER UNITS
Z1A Emergency Transfer Unit
574-5 Power Transfer Unit
TRUNK CONCENTRATOR CABLES
WP-90929, List 2, Cable Assembly
WP-90929, List 4, Cable Assembly
4-PORT MET LINE BOARD CONCENTRATOR CABLE
ADJUNCT POWER UNITS
Individual Power Supplies
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General