Avaya S8100 User Manual

Page of 408
1 Install and cable a G600 cabinet
Install off-premises station wiring
124
S8100 Installation and Upgrades
November 2003
Figure 41: Connections to 24 out-of-building telephones
Circuit protectors
Both building entrances require carbon block or equivalent protection and sneak-current protection. 
Provide this protection with a 4-type protector. The 4-type protector is equipped with a heat coil or a 3-
type protector plus a separate sneak-current protector.
The 4-type protector is the preferred device. For installations not using primary protection, always use 4-
type protectors. When the 3-type protector is already installed, a separate sneak-current protector is 
required. The multipair protector units and the off-premises cabling must be locally engineered. 
Connectorized multipair protector units (female 25-pair connector) are recommended. 
 on page 125 shows the recommended protectors.
crdf24o RPY 012398
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Figure notes
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Locally engineered cables
2
Multipair protector units (primary protectors with 
heat coils or equivalent with sneak-current 
protection)
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B25A cable
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Concentrator cable (WP90929 List 1)
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356A adapter
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Out-of-building wiring
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Out-of-building analog telephones
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Part of MDF or patch panel
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Station side (white field)
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System side (purple field)
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Cross-connect jumpers
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To TN2183, TN769, TN742, or 
TN746B Analog Line circuit pack