Chapter 2 Installation
Optional Installation Steps
2-12
Cisco 1721 Router Hardware Installation Guide
78-13834-02
Connecting a Modem
When a modem is connected to the auxiliary port, a remote user can dial into the
router and configure it. You can use the blue console cable that came in the
accessory kit.
Follow these steps to connect a modem to the router, using the console cable:
Step 1
Connect the RJ-45 end of the cable to the black AUX port on the back of the
router, as shown in
Figure 2-6
.
Figure 2-6
Connecting a Modem to the Router
Step 2
Connect the DB-9 end of the cable to the DB-9 end of the DB-9-to-DB-25 adapter.
SEE M
ANUAL
BEFO
RE IN
STALL
ATION
DSU
56K
CD
AL
LP
RD
TD
FDX
LINK
100
WIC0O
K
WIC1O
K
MOD OK
CONSOLE
AUX
Model
Cisco 1
721
10/100 ETHERNET
+5, +12, -12
VDC
Console cable
AUX port (RJ-45)
Modem
65529
DB-9-to-DB-25 adapter