Avaya MCC1 Installation And Upgrades page 529

The multi-pair protector units and the off-premises cabling must be locally engineered. Connectorized
multi-pair protector units (female 25-pair connector) are recommended.
on page 529 shows the recommended protectors.
The protectors can be ordered from the Premises Distribution Systems Equipment and Supplies Catalog.
Analog Line Circuit Protectors
1
Primary
3B1A (carbon)
3B1E-W
(wide gap gas tube)
3C1S
(solid state)
1 The 3-type protectors should be used only if they are already part of the existing
protection system. A sneak current protector is always required when a 3-type
primary protector is used.
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Voice Terminal Restrictions for Exposed Environments
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The following voice terminals cannot be installed in an exposed environment:
•
7300-type voice terminals connected to TN762B Hybrid Line circuit packs
•
Multi-button Electronic Telephone (MET) sets connected to TN735 Multi-button Electronic
Telephone (MET) Line circuit packs
•
Analog telephones connected to TN746B Analog Line circuit packs
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Digital Out-of-Building Voice Terminal Protection
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For information about specific protectors, see
Installing the ITW Linx Enhanced Protector
Installing the 4C3S-75 Enhanced Protector
Installing the Data Link Protector
SI Installation and Upgrades
June 2004
Primary
(with heat coil)
4B1C (carbon)
4B1E-W
(wide gap gas tube)
4C1S
(solid state)
on page 530
on page 530
on page 530
Install and Wire Telephones
Off-Premises Connections
Analog Line Circuit Protectors
Sneak Current
1
Protectors
220029 Fuse
SCP-1
529