The 24 SLS provides 24 ports for analog devices such as single line phones, faxes, modems, etc., 16, or 24 port 2-wire SLT (2500 type device, Single-Line Telephone) interface card. Supports message waiting indicator, and display CID (Caller ID) information. 48V loop, 1200Ω loop limit (including set), 600Ω (or complex programmable) termination impedance.
Each circuit provides bridged talk battery, DC biased high-voltage/low-frequency ring generator, and bridged –110VDC message lamp battery. Each circuit accepts Pulse or DTMF in dialing. Pulse dialing characteristics are fully programmable per card. The CID display feature requires SLS card (MSBsl for FlexiCom 200) software version 3.xx, Coral generic software version 14.xx, iDSP shared service card, Authorization for SLT-CID, and FSK compatible CID display unit installed on the SLT port. Each SLT port can be individually enabled through programming in the configuration database.
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