3Com MSR 50, MSR 30, MSR 20 manual Interface LEDs SIC-1FXS/SIC-1FXO panel, SIC-2FXS/SIC-2FXO panel

38CHAPTER 2: SMART INTERFACE CARDS

Table 12 Interface attributes of SIC-1FXS/SIC-1FXO and SIC-2FXS/SIC-2FXO

	Attribute	Description
	Connector type	RJ11
	Number of connectors	1 (SIC-1FXS/SIC-1FXO)
		2 (SIC-2FXS/SIC-2FXO)
	Interface standard	Subscriber circuit interface
		(SIC-1FXS/SIC-2FXS) compliant with
		ITU Q.512.
		Loop trunk interface
		(SIC-1FXO/SIC-2FXO) compliant with
		ITU Q.552.
		Over-current and over-voltage
		protection compliant with ITU K.20
	Cable type	Telephone cable with ferrite core.
	Dialing mode	Supports DTMF, not supports pulse
		dial-up.
	Bandwidth	300 Hz to 3400 Hz
Interface LEDs ■ SIC-1FXS/SIC-1FXO panel

Figure 30 SIC-1FXS panel

Figure 31 SIC-1FXO panel

■SIC-2FXS/SIC-2FXO panel

Figure 32 SIC-2FXS panel

Figure 33 SIC-2FXO panel