Cisco 2501 - Router - EN User Manual page 4

Hardware Features
Figure 1-3
Ethernet
AUI LED
Ethernet
AUI port
(DB-15)
Figure 1-4
Token Ring
LED
Token Ring
port (DB-9)
1-4 Router Installation and Configuration Guide
Model 2503 Router Rear Panel
Synchronous ISDN
serial LEDs BRI LED
Console
port
Synchronous
(RJ-45)
serial ports
(DB-60)
ISDN
BRI port
(RJ-45)
Model 2504 Router Rear Panel
Synchronous
ISDN
serial LEDs
BRI LED
Console
port
Synchronous
(RJ-45)
serial ports
(DB-60)
ISDN
BRI port
(RJ-45)
System
OK LED
On/off Power
switch
Auxiliary port
(RJ-45)
System
OK LED
On/off Power
switch
Auxiliary port
(RJ-45)