Cisco Integrated Services
Routers Generation 2 (ISR G2) offer data functionality through Gigabit Ethernet
ports and security functionality with a virtual private network (VPN)
accelerator on the motherboard. Additional security features are available with
add-on hardware and software.
Cisco2900
series routers
and Cisco3900 series routers also provide voice
IP telephony with digital signal processor (DSP) capability; and voice gateway,
DSP farm, IP-to-IP gateway, Cisco Unified Communications Manager Express
(CUCME) via Cisco IOS. Cisco Unity Express (CUE) is provided through the use of
add-on hardware.
This
series of ISRs have new slots that support next generation Enhanced High-Speed
WAN Interface Cards (EHWICs), Internal Services Modules (ISMs), Packet Voice
Data Modules (PVDM3s), Service Modules (SMs), and Services Performance Engines
(SPEs).
Access
to the Cisco Multi-Gigabit Fabric (MGF) facilitates connection between switch
ports on the ISR without utilizing all of the external ports. A logical GE
interface on the ISR connects external and internal modules through the MGF for
improved LAN and WAN switching.
ISR G2
Models
|
Series
|
Routers
|
Cisco 2901 Chassis
Front Panel of the Cisco 2901 Router
|
1
|
SYS: System
|
2
|
ACT: Activity
|
|
3
|
POE: Power over Ethernet
|
4
|
AC OK (only on AC PS, not
AC-POE PS) -- LED goes off if the AC power fails or is disconnected. It does
not go on and off with the power switch.
|
|
5
|
On/off switch
|
6
|
AC power connector
|
Back Panel Slots and Connectors of the
Cisco 2901 Router
|
1
|
EHWIC slots1 0, 1, 2,
and 3 (0, Far right)
|
2
|
USB2 serial port
|
|
3
|
Aux port
|
4
|
RJ-45 serial console port
|
|
5
|
10/100/1000 Ethernet ports (GE0/1)
|
6
|
10/100/1000 Ethernet port (GE0/0)
|
|
7
|
Ground
|
8
|
USB0 and USB1 (1, Top)
|
|
9
|
CompactFlash3 0 and 1
|
|
|
1 DW-EHWICs
can fit into slot 0 and 1, and into slot 2 and 3. EHWIC slots support HWIC,
VIC, and WIC.
3 Only Advanced Capability CompactFlash
(CF) purchased from Cisco operates in Cisco 2900 series and Cisco 3900 series
ISRs. Legacy CF can impact and severely degrade performance in these routers.
When legacy CF is inserted, the following error message appears:
WARNING: Unsupported compact flash detected. Use of this card during normal
operation can impact and severely degrade performance of the system. Please use
supported compact flash cards only.
Back Panel LEDs of Cisco 2901 Router
1
|
CompactFlash 0 and 1 (0, Right)
|
2
|
ISM (Internal Services Module)
|
3
|
PVDM3 0 and 1 (0, Right)
|
4
|
EN (Enable USB console)
|
5
|
EN (Enable RJ-45 console)
|
6
|
S (Speed)
|
7
|
L (Link)
|
|
|
Cisco 2911 Chassis
Front Panel of the Cisco 2911 Router
|
1
|
AC OK (LED goes off if the AC
power fails or is disconnected. It does not go on and off with the power
switch.)
|
2
|
On/off switch
|
|
3
|
AC power connector
|
4
|
SYS
|
|
5
|
ACT
|
6
|
POE
|
|
7
|
RPS ( Redundant Power Supply)
|
8
|
PS (power supply)
|
|
9
|
Optional RPS adapter (blank panel shown)
|
|
|
Back Panel Slots and Connectors of the
Cisco 2911 Router
|
1
|
EHWIC slots1 0, 1, 2,
and 3 (0, Far right)
|
2
|
USB serial port
|
|
3
|
Aux
|
4
|
RJ-45 serial console port
|
|
5
|
6
|
10/100/1000 Ethernet port (GE0/1)
|
|
|
7
|
10/100/1000 Ethernet port (GE0/2)
|
8
|
USB 0
|
|
9
|
USB 1
|
10
|
Ground
|
|
11
|
AC or DC or AC-POE Power Module
|
12
|
CompactFlash2
0 and 1 (0, Right)
|
|
13
|
Service module3 slot 1
|
|
|
1 Double-wide EHWICs can fit
into slot 0 and 1, and into slot 2 and 3. EHWIC slots support HWIC, VIC, and
WIC.
2 Only
Advanced Capability CompactFlash (CF) purchased from Cisco operates in Cisco
2900 series and Cisco 3900 series ISRs. Legacy CF can impact and several
degrade performance in these routers. When legacy CF is inserted, the following
error message appears:
WARNING: Unsupported compact flash detected. Use of this card during normal operation can impact and severely degrade performance of the system. Please use supported compact flash cards only.
3 Service module slots support
legacy network modules when inserted with an adapter. See the router product
page at Cisco.com for a list of supported modules.
Back Panel LEDs of Cisco 2911 Router
1
|
CompactFlash 0 and 1 (0, Far right)
|
2
|
ISM (Internal Services Module)
|
3
|
PVDM3 PVDM 0 and 1 (0, Far right LED)
|
4
|
EN (Enable USB console)
|
5
|
EN (Enable RJ-45 console)
|
6
|
S (Speed)
|
7
|
L (Link)
|
|
|
Cisco 2921 and Cisco 2951 Chassis
Front Panel of the Cisco 2921 and 2951
Routers
|
1
|
AC OK (LED goes off if the AC
power fails or is disconnected. It does not go on and off with the power
switch.)
|
2
|
On/off switch
|
|
3
|
AC power connector
|
4
|
Optional RPS adapter (blank panel shown)
|
|
5
|
SYS
|
6
|
ACT
|
|
7
|
POE
|
8
|
RPS
|
|
9
|
PS (power supply)
|
|
|
Back Panel Slots and Connectors on the
Cisco 2921 and 2951 Routers
|
1
|
EHWIC slots1 0, 1, 2,
and 3 (0, Far right)
|
2
|
USB serial console port
|
|
3
|
Aux port
|
4
|
RJ-45 serial console port
|
|
5
|
SFP
|
6
|
10/100/1000 Ethernet port (GE0/1 and
GE0/2)
(GE 0/2, Top)
|
|
7
|
10/100/1000 Ethernet port GE0/0
|
8
|
Ground
|
|
9
|
USB 0 and USB 1 (1, Top)
|
10
|
Service module slots2 SM1 and
SM2 (1, Right on 2951), (1, left on 2921)
|
|
11
|
CompactFlash3 0 and 1
(0, Right)
|
12
|
|
1 Double-wide EHWICs can fit
into slot 0 and 1, and into slot 2 and 3. EHWIC slots support HWIC, VIC, and
WIC.
2 Service module slots support
legacy network modules when inserted with an adapter. See the router product
page at Cisco.com for a list of supported modules. Cisco 2921 supports only one
service module in the left slot.
3 Only Advanced Capability CF
purchased from Cisco operates in Cisco 2900 series and Cisco 3900 series ISRs.
Legacy CF will not operate in these routers. When legacy CF is inserted, the
following error message appears:
WARNING: Unsupported compact flash detected. Use of this card during normal operation can impact and severely degrade performance of the system. Please use supported compact flash cards only.
Back Panel LEDS of the Cisco 2921 and
2951 Routers
1
|
CompactFlash 0 and 1 (0, Right)
|
2
|
ISM (Internal Services Module)
|
3
|
PVDM3 0, 1 and 2 (0, Right)
|
4
|
EN (Enable USB console)
|
5
|
EN (Enable RJ-45 console)
|
6
|
SFP EN (SFP: small-form-factor pluggable)
|
7
|
SFP S
|
8
|
S (Speed)
|
9
|
L (Link)
|
|
|
It refers from
www.cisco.com
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