Extension Boards 4-25
Chapter 4: Board Installation
MBX IP Hardware & Installation Guide
Extension Boards
SLIB12/24C (with RJ21 connector)
The SLIB12/24C provides 12 (24) single line analog ports with FSK (ITU-T V.23 or Bell 202) or
DTMF (ITU-T Q.23) Caller ID function. The SLIB supports the Message Wait Indication, DTMF
or DP receive, Polarity reversal, sinusoidal ringing generator, -48V DC feeding voltage, 20mA
Current Limitation and GR-909 Line Testing. The connection between the SLIB12/24C and
Single Line Telephone is connected using RJ21 cable.
>>> SLIB12/24C can be installed in the universal slot in any KSU except
MPB slot of 1st KSU.
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