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Strata CTX670 Installation
Install Processor and Universal PCBs
4-54 Strata CTX I&M 06/04
Table 4-11 BECU Controls, Indicators, and Interface Connectors
Control/Indicator/
Connector
Type of Component Description
VR901 Trim potentiometer Adjusts volume for MOH/BGM sources.
P3 RCA jack BGM/MOH interface
Connector P5 Connector and ribbon cable Ribbon cable connector to BBCU.
Connector P4 Connector and ribbon cable Ribbon cable connector to BBCU.
BSIS Four ports of I/O RS-232 (Optional unit) Adds up to four serial ports.
BEXS Time switch
(Optional unit) Required for Expanded system,
along with the BMMS.
Table 4-12 BBCU Controls, Indicators, and Interface Connectors
Control/Indicator/Connector Type of Component Description
BATT Jumper plug
Must
always
be in the On position to retain
processor RAM data. The Strata CTX will not
operate properly if the jumper is in the Off
position or if it is not installed.
P7 RJ45 Network interface port.
BBMS Module Subassembly module
Memory module. (Optional unit) Required for
Expanded system, along with the BEXS.
ATTACHED BBMS (Yes/No) Jumper
Jumper setting must always be set to “Yes,”
regardless of whether the BBMS is installed or
not.
P4
Connector and ribbon
cable
Ribbon cable connector to BECU.
P5
Connector and ribbon
cable
Ribbon cable connector to BECU.
P10 Mu /A Law Jumper plug
Jumper setting must be set to “Mu” law for
Canada and the U.S. For more information on
Mu law/A law settings, see “Country Settings
On/Off” on page 11-20.
SmartMedia Card socket
Holds SmartMedia Card which is used to
Backup/Restore Customer Data, Upgrade
Operating System, Log and Trace
Maintenance information.