The on-board DSP provides:• 16 telephony resources (DTMF/Dial tone/Busy tone/FSK caller-ID receiver/sender)• 128 tone sender resources (System tones sender/DTMF sender)• 32 ch conference resources2.1.2 IP4[ ]-1228ME-B EXPA maximum of two additional 1228ME EXPs can be connected to expand the system capacity of the1228M KSU. Although similar in shape and size as the 1228M KSU, the capabilities are not the same.The following are included with the 1228ME EXP:• Power supply (110 V/240 V)• 1 external backup battery connector• 2 mounting spaces for 080E/008E/000E/1PRIU• 8 digital and 4 analog extension I/F (084M-B1)• 1 mounting space for 4COIDB-B1 or 2BRIDB-C1• EXIFE-C1 (1 connector for 1228M-B KSU)• 2 general purpose relay• 1 audio output for Paging (mini-jack)• 2 audio inputs for ExMOH/BGM (mini-jack)• SLT ringer• Message waiting lamp driverThe EXIFE DSP provides:• 32 telephony resources (DTMF/Dial tone/Busy tone/FSK caller-ID receiver/sender)The 1228ME-B EXP does NOT have CPU and main software and cannot be used in a stand-alonemode.2.1.3 IP4WW-EXIFB-C1Using a Cat5 cable, EXIFB-C1 card installed in the MainKSU is individually connected to each EXIFE-C1 card(Expansion KSU).• Install this card to the Main KSU.• Two connections for Expansion KSUs(No.3 connector is not used).SL1100 ISSUE 6.01-4 Introduction
