Description
The Samsung OfficeServ 7030 4-Port Single Line Module with CID (4SM) (OS-703B4S/XAR) features:
▪ Provides 4-circuit analog station interface for industry-standard single-line telephones
▪ Can only be installed in slots 2 and 3 of the main cabinet/expansion cabinet
▪ Does not contain any over-voltage protection and is not qualified as an OPX
▪ Does not contain DTMF receivers but does share the system DSP resources
▪ Supports Caller ID to single-line telephones and loop open disconnect signaling
▪ The 4SM module performs the following functions:
– Generating the ring of 20 Hz
– Detecting Dial Tone Multi Frequency (DTMF) / dial pulse
– Detecting on/off-hook
– Generating a tone
▪ Refurbished
▪ One-Year Warranty