The Cisco 3925 router, modular Services Performance Engine (SPE) 100, which can be upgraded for even higher performance as next-generation WAN environments evolve.
Quick Specs
Figure 1 shows the appearance of the CISCO3925/K9.
Table 1 shows the Quick Specs of the CISCO3925/K9.
3 integrated 10/100/1000 Ethernet ports with 2 ports capable of RJ-45 or SFP connectivity
Expansion Slot(s)
2 service module slots
1 Internal Services Module slot
4 onboard digital signal processor (DSP) slots
4 Enhanced High-Speed WAN Interface Card (EHWIC) slots
RAM
1 GB (installed) / 2 GB (max)
Flash Memory
256 MB (installed) / 8 GB (max)
Dimensions
47.6 cm x 43.8 cm x 13.3 cm
Package Weight
27.78 Kg
Product Details
Figure 2 shows the front panel of the Cisco 3925 router.
Note:
① On/Off switch ② Power connector ③ LEDs area
Table 2 shows the LEDs area description.
LED
Description
SYS status LED
Solid green
Solid green indicates normal operation.
Blinking green
System is booting or is in ROM monitor mode.
Amber
System error.
Off
Power is off or system board is faulty.
ACT status LED
Solid or blinking green
Solid or blinking indicates packet activity between the forwarding and routing engine and any I/O port.
Off
No packet transfers are occurring.
POE
Green
IP phone power is on.
Amber
IP phone power is not on.
PS1 / PS2
Green
System is running.
Amber
System is not running.
Figure 3 shows the back panel of the Cisco router 3925/K9 with LEDs.
Note:
① Compact flash 0 and 1 (0, right) ② ISM ③ PVDM3 0,1,2 and 3 (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)
Table 3 shows the description of these LEDs on the back panel.
LED
Color
Description
Location
CompactFlash 1
Green
Flash memory is busy.
Back Panel
Amber
Initialized with error.
Blinking Green then turns off
CompactFlash is ready for removal.
CompactFlash 0
Green
Flash memory is busy.
Back Panel
Amber
Initialized with error.
Blinking Green then turns off
CompactFlash is ready for removal.
S (Speed)
1 blink + pause
GE port operating at 10 Mb/s.
Back Panel
2 blink + pause
GE port operating at 100 Mb/s.
3 blink + pause
GE port operating at 1000 Mb/s.
L (Link)
Green
GE link is established.
Back Panel
Off
No GE link is established.
EN (RJ-45 console port)
Green
The RJ-45 console port is active.
Back Panel
EN (USB serial console port)
Green
The USB console port is active.
Back Panel
ISM
Green
Initialized.
Back Panel
Amber
Initialized with error.
Off
Not installed.
PVDM3 0,1,2 and 3
Green
PVDM is initialized.
Back Panel
Amber
PVDM is detected but not initialized.
Off
No PVDM installed.
SFP S
Blinking green
Blinking frequency indicates port speed.
Back Panel
SFP EN
Off
Not present.
Back Panel
Green
Present and enabled.
Amber
Present with failure.
Figure 4 shows the back panel of the Cisco 3925 router with slots and ports.
Note:
① Compact flash 0 and 1 (0, right) ② EHWIC 0,1,2 and 3 (0, far right) ③ USB serial port ④ RJ-45 serial console port ⑤ AUX port ⑥ SFP 1 and SFP 2 (2, top)
⑦ 10/100/1000 Ethernet port GE 0/1 and GE 0/2 (GE 0/1, down) ⑧ 10/100/1000 Ethernet port GE 0/0 ⑨ USB 0 and USB 1 (1,top) ⑩ Ground Service module slots
Figure 5 shows the SPE area and you can upgrade these slots and ports directly by one SPE module.
The Cisco 3900 Series offers field-replaceable SPEs which allow you to protect your initial investment in the Cisco 3900 platform for a longer time period and scale router performance as your network and branch-office needs grow.
Modules and License
Table 4 shows modules and licenses for this router.
3 x 10Base-T/100Base-TX/1000Base-T - RJ-45 Management : 1 x console - RJ-45 Management : 1 x console - mini-USB Type B Serial : 1 x auxiliary - RJ-45 Hi-Speed USB : 2 x 4 PIN USB Type A 2 x SFP (mini-GBIC)
Expansion Slots Total (Free)
4 ( 4 ) x EHWIC 4 ( 4 ) x PVDM 2 ( 1 ) x CompactFlash Card 1 ( 1 ) x Expansion Slot 2 ( 2 ) x service module (SM)
Power Supply
Power Device
Power supply - internal
Voltage Required
AC 120/230 V ( 47/63 Hz )
Dimensions / Weight / Miscellaneous
Dimensions (W × D × H)
18.74 × 17.24 × 5.24 in (47.6 × 43.8 × 13.3 cm)
Package Wight
61.3 lbs (27.78 Kg)
Weight
39 lbs (17.7 kg)
Compliant Standards
CISPR 22 Class A, CISPR 24, EN55024, EN55022 Class A, EN50082-1, AS/NZS 60950-1, AS/NZ 3548 Class A,
CAN/CSA-E60065-00, ICES- 003 Class A, CS-03, FCC CFR47 Part 15, EN300-386, UL 60950-1, IEC 60950-1,
EN 60950-1, CSA C22.2 No. 60065, BSMI CNS 13438
System Software
IOS Software Included
Cisco IOS IP Base
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