Installation guide
Connecting WAN and Voice Interface Cards to a Network 3-17
Configuring the ISDN BRI S/T Leased-Line Interface
Figure 3-17 Connecting the ISDN BRI S/T Leased-Line Card to the NT1
Step 5
Turn ON power to the router by pressing the power switch to the ON ( | )
position.
Step 6 Check that the OK LED goes on, which indicates that the card’s ISDN port has
synchronized with the central office switch.
Configuring the ISDN BRI S/T Leased-Line Interface
After you connect the ISDN cable, you can configure the ISDN interface. The leased-line
WAN interface card supports a 64-kbps leased line on the B1 channel only. The WAN
interface card is automatically configured in leased-line mode. Refer to the software
configuration guide that came with your router for information on how to configure the
ISDN interface.
ISDN BRI S/T Leased-Line WAN Interface Card LEDs
ISDN BRI S/T Leased-Line card has three LEDs, which are described in Table 3-3.
BRI
S/T
LL
SEE MANUAL BEFORE INSTALLATION
NT1 device
Straight-through
RJ-45-to-RJ-45
cable
ISDN BRI leased
line interface
(RJ-45)
S/T interface
H10881
OK LED