3Com MSR 50 Following figure illustrates the SIC-2BSV panel, LEDs on SIC-1BSV/SIC-2BSV panel

SIC-1BSV/SIC-2BSV 59

Interface Attributes

Table 31 Interface attributes of SIC-1BSV/SIC-2BSV

Attribute	SIC-1BSV	SIC-2BSV
Connector	RJ45
Number of connectors	1	2
Interface standard	ITU-T I.430, Q.921, Q.931
Interface rate	192 Kbps
Cable	ISDN S interface cable
Supported service	Voice access over ISDN S interface cable

Interface LEDs The following figure illustrates the SIC-1BSV panel.

Figure 55 SIC-1BSV panel

The following figure illustrates the SIC-2BSV panel.

Figure 56 SIC-2BSV panel

The following table describes the LEDs on SIC-1BSV/SIC-2BSV panel.

Table 32 LEDs on SIC-1BSV/SIC-2BSV panel

LED	Description
B1	Green
	Blinking indicates data is being transmitted
	or received on B1 channel.
B2	Green
	Blinking indicates data is being transmitted
	or received on B2 channel.
ACT	Yellow
	Blinking indicates the link is being
	activated.
	Steady ON indicates the link is active.
ON	Green, power LED.
	Steady ON indicates the card is powered
	on.