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.
Cisco 2900 series
routers and Cisco 3900 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.
Cisco 3900 Series Chassis
Front Panel of the Cisco 3900 Series ISRs
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
|
Power connector
|
4
|
SYS status LED
|
5
|
SYS ACT status LED
|
6
|
POE
|
7
|
Boost
|
8
|
PS1 (Right), PS2 (Left)
|
Back Panel Slots and Connectors for Cisco
3925 and 3945 (SPE 100 and SPE 150)
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
|
SFP1 and SFP2 (2,Top)
|
6
|
10/100/1000 Ethernet ports GE0/1 and
GE0/2 (GE 0/2, Top)
|
7
|
10/100/1000 Ethernet port GE0/0
|
8
|
USB 0 and USB 1 (1, Top)
|
9
|
Ground
|
10
|
Cisco
3945 Service module slots2 , 1 (Lower right), 2 (Lower
left), 3 (Top right), and 4 (Top left)
|
11
|
CompactFlash5 0 and 1
(0, Right)
|
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.
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. Double
wide service modules install in the top slots.
4
One single-wide in slot 1 (lower left).
Lower right panel cannot be removed.
5
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 on Services Performance
Engine 100 and SPE 150
1
|
CompactFlash 0 and 1 (0, Far right)
|
2
|
ISM (Internal Services Module)
|
3
|
PVDM3 0, 1 and 2 (0, Far right)
|
4
|
EN (Enable USB console)
|
5
|
EN (Enable RJ-45 console)
|
6
|
SFP S
|
7
|
SFP EN
|
8
|
S (Speed)
|
9
|
L (Link)
|
|
|
Back Panel Slots/Connectors for Cisco
3925E and 3945E (SPE 200 or SPE 250)
1
|
EHWIC slots1 0, 1, and 2
(0, Far right)
|
2
|
USB serial console port
|
3
|
Aux port
|
4
|
RJ-45 serial console port
|
5
|
10/100/1000 Ethernet ports (GE0/3, Top;
GE0/2, Bottom)
|
6
|
10/100/1000 Ethernet ports (GE0/1, Top;
GE0/0, Bottom)
|
7
|
SFP1 and SFP2 (1, Top)
|
8
|
USB 0 and USB 1 (1, Left)
|
9
|
Ground
|
10
|
Cisco
3945 Service module slots2 , 1 (Lower right), 2 (Lower
left), 3 (Top right), and 4 (Top left)
Cisco
3925 Service module slots3 , 1 (Lower left)4
, 2 (Top left)
|
11
|
CompactFlash5 1 and 0
(0, Far right)
|
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.
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. Double wide service modules
install in the top slots.
4 One single-wide in slot 1
(lower left). Lower right panel cannot be removed.
5 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 on Services Performance
Engine 200 and 250
1
|
CompactFlash 0 and 1 (0, Far right)
|
2
|
PVDM3 0, 1 and 2 (0, Far right LED)
|
3
|
EN (Enable USB console)
|
4
|
EN (Enable RJ-45 console)
|
5
|
SFP S
|
6
|
SFP EN
|
7
|
S (Speed)
|
8
|
L (Link)
|
It refers from
www.cisco.com
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