
eight 4-pair  modular jacks.
Figure 4-20 shows voice terminal connections to the system cabinets via the SIP. Typically, voice terminals are plugged into modular wall jacks that provide a cut-down  block for building wiring. At the SIP, 858A Adapters provide a cut-down  point for 4-pair  wire runs. An octopus cable (WP90780) from a station CP provides 25-pair  connectorized cabling to Each jack is terminated on the SIP by a 858A Adapter. An
octopus cable connects a maximum of eight voice terminals to a port CP.
DIGITAL SWITCH
STATION
CIRCUIT
PACK
— — 
C2
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— — 
PART OF SIP
UNTERMINATED 
MODULAR
JACKS
VOICE TERMINALS, ADJUNCTS, POWER UNITS
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LEGEND :
C2 - OCTOPUS CABLE (WP90780) - PEC 
858A ADAPTER (FURNISHED BY INSTALLER) - SIX 
SIX