Cisco 1601 - Router - EN Hardware Installation Manual page 128

ISDN BRI Interface Cards
Connect one end of a straight-through RJ-45-to-RJ-45 cable to the RJ-45 port on the card. (See
Step 2
Figure 93.)
Figure 93
VIC
2B-S /T TE
ISDN BRI S/T 1
RJ-45-to-RJ-45 cable
Note
Table 25
ISDN BRI NT/TE Card
Pin 3/T+
Pin 4/R+
Pin 5/R-
Pin 6/T-
1. Use a straight-through cable for NT interfaces.
2. Use a crossover cable for TE interfaces.
Connect the other end of the cable to the RJ-45 wall outlet or other device.
Step 3
OL-12847-01
12
Connecting the 2-Port ISDN BRI Card
RJ-45 ports
B1
SEE
B2
MAN UAL
OK
BEF ORE
INTA LLAT ION
ISDN BRI S/T 0
Straight-through
S/T port
When the interface is configured as NT and is connecting to a TE device, the cable must have
the transmit and receive pins swapped (crossover cable). See
Interface Pin Numbers and Functions
NT1 device
1
NT Interface
Pin 3/R+
Pin 4/T+
Pin 5/T-
Pin 6/R-
Voice Interface Cards
Table 25.
2
TE Interface
Pin 3/T+
Pin 4/R+
Pin 5/R-
Pin 6/T-