CNI QCM486, Manual, Page: 1 / 13

QCM486 Miniature Protector Connector (MPC)
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Contents
1. General ........................................................ 1
2. Description ................................................... 1
3. Precautions ................................................... 2
4. Components ................................................. 3
5. Protectors ..................................................... 3
6. Mounting Bar Kits .......................................... 4
7. Recommended Distributing
Frame Capacities............................................... 7
8. Installing Stubbed Connectors
in Locations With Cable Vaults. .......................... 8
9. Installing Stubbed Connectors in
Locations Without Cable Vaults ......................... 8
10. Installing Dual Stub Connector in
Remote Frames .............................................. 10
11. Installing Stubless Connectors ...................... 9
12. Testing ...................................................... 11
13. Cross Connect Wire ................................... 12
1. General
1.1 This document describes the installation
and testing of the QCM486 Miniature
Protector Connector manufactured
1.2 This document is being reissued since Acquisition by
Bourns, Inc.
1.3
Contact your customer service
representative to purchase accessories that are
sold separately or to request installation information, if
necessary.
2. Description
2.1 The QCM486 Miniature Protector
Connector (MPC) (Figure 1) is a 100-pair
connector for terminating and protecting cable
pairs in Central Offices (CO) and customer
premises.
2.2 The MPC provides:
• Voltage protection or voltage/current
protection on cable pairs
• Direct-feed facility between outside-plant
cable pairs and CO when electrical
protection is not required.
• Disconnection between outside-plant cable
pairs and CO or customer premises pairs.
• Cross-connection between outside-plant
cable pairs and CO or customer premises
connecting block.
• Testing access to outside-plant cable pairs.
• Testing access to CO or customer premises
pairs.
• Guards and markers for identifying and
protecting special service circuits.
2.3 The MPC can be mounted on
Conventional Distributing Frames, Compact
Distributing Frames, or Customer Premises
Distributing Frames.
04012022