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General| Brand | NEC |
|---|---|
| Model | IP4WW-24TXH-B-TEL(BK) |
| Category | Telephone System |
| Language | English |
Overview of the SL1100 system's design and capabilities.
Comprehensive list of all available equipment for the SL1100 system.
Details on the system's port, trunk, and station capacities.
Procedures and precautions for installing the main KSU unit.
Steps for unpacking and installing the external backup battery box.
Guide for mounting and connecting expansion interface cards.
Instructions for installing optional interface cards like memory and VoIP.
Procedures for installing multiline telephones and related terminals.
Pre-startup checks and initial system startup procedures.
Steps for entering and exiting the system's programming mode.
Procedures for safely powering off and resetting the system.
Instructions for replacing fuses in the external battery box connection.
Guidance on replacing the lithium battery on the CPU card.
Steps for confirming and upgrading the system's main software.
Explanation of LED indicators on the CPU card and their status.
Detailed table of system capacity for ports, trunks, and channels.
Technical specifications including environmental, operating, and power requirements.
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