3Com MSR 20, MSR 30, MSR 50 manual SIC-1BS/SIC-2BS&SIC-1 BU/SIC-2BU, Connect the SIC-1ADSL-I

	SIC-1BS/SIC-2BS&SIC-1BU/SIC-2BU 55
Table 28 LEDs on the SIC-1ADSL-I panel
LED	Description
ACT	OFF means no data is being transmitted or
	received; blinking means data is being
	received or/and transmitted.

Interface Cable The SIC-1ADSL-I uses regular telephone cables for connection.

n The standard equipping package for the SIC-1ADSL-I includes a regular telephone cable, but the splitter needs a separate order.

Connecting the Interface To connect the interface on the SIC-1ADSL-I card, you need to install a splitter. Cable Follow these steps:

Step 1: Plug one end of a telephone cable into the RJ-11 port on the SIC-1ADSL-I on the router and the other end into the internal ADSL-I port on the splitter;

Step 2: Connect an ISDN NT1 to the splitter using another telephone cable.

Step 3: Connect the external ADSL-I port on the splitter to ISDN using a third telephone cable.

Figure 50 Connect the SIC-1ADSL-I

Router RJ-11 port

ISDN splitter

ADSL-I card Modem port

ISDN

NT1

	D
	S
ISDN NT1port	L
ISDN	A
	M
Lineport

SIC-1BS/SIC-2BS&SIC-1

BU/SIC-2BU

Introduction SIC-1BS/SIC-2BS is short for 1/2-port ISDN BRI S/T interface card, which is mainly used to transceive and process of ISDN BRI S/T traffic flows. SIC-1BU/SIC-2BU is short for 1/2-port ISDN BRI U interface card, which is mainly used to transceive and process ISDN BRI U traffic flows.

Both SIC-1BS/SIC-2BS and SIC-1BU/SIC-2BU have two working modes: dial-up and leased line.

Interface Attributes The following table describes the interface attributes of SIC-1BS/SIC-2BS and SIC-1BU/SIC-2BU.