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Hardware Installation Guide for the Cisco 4000 Series Integrated Services Router
OL-32185-02
Chapter 1 Overview of Cisco 4000 Series ISRs
Hardware Features of Cisco 4000 Series ISRs
L
(right)
Ethernet
ports 2 and 3
1
and
Management
Ethernet
Link
Green Ethernet cable is present and link is established with
other side.
I/O side All models
Off No link.
S
(right)
Ethernet
ports 2, and
3
1
and
Management
Ethernet
Speed
Green Blink frequency indicates port speed:
• 1 blink+ pause - FE or GE port operating at 10
Mb/s
• 2 blinks + pause - FE or GE port operating
at100 Mb/s
• 3 blinks + pause - GE port operating at1000
Mb/s
I/O side All models
Off No link
SFP EN Port 0, 1, 2,
and 3 Enable
Green Present and enabled. I/O side All models
1
Amber Present with failure.
Off Not present.
SFP S Status of
Ports 0, 1, 2,
and 3
Blinking
Green
Blinking frequency indicates port speed. See the
definition for the S LED.
I/O side All models
1
Amber Initialized with error.
Off Not present.
L/A SFP+port 0/1
Link Active
Green Link established. I/O side Cisco 4461 ISR
Blinking
Green
Packets being transmitted.
Off Not present.
SER
CON
(right)
Serial
Console
Active
Green Active console port is RJ-45.
Note When this LED is on, the USB CON LED
will be off.
I/O side All models
USB
CON
(left)
USB Console
Active
Green Active console port is USB.
Note When this LED is on, the SER CON LED
will be off.
I/O side All models
SSD mSATA/M.2
Slot Status
Green SSD mSATA/M.2 present and enabled. Bezel side Cisco 4351ISR and
Cisco 4461 ISR
Amber Initialized with error.
Off Not present.
ISC ISC Slot
Status
Green PVDM4 is present and is enabled. Bezel side All models
2
Amber Initialized with error.
Off Not present.
Table 1-1 LED Descriptions (Applies to Cisco 4461 ISR, Cisco 4451-X ISR, Cisco 4431 ISR, and Cisco 4351 ISR)
LED Represents Color Description Location Available On