Cisco CISCO2921/K9 Overview
The Cisco 2921 router, supporting voice module, is designed for small offices.
Quick Specs
Figure 1 shows the appearance of the CISCO2921/k9.
Table 1 shows the Quick Specs of the CISCO2921/k9.
| Product Code | CISCO2921/k9 |
| Rack Units | 2U |
| Interfaces | 3 integrated 10/100/1000 Ethernet ports (RJ-45 only) |
| Expansion Slot(s) | 2 service module slot
1 Internal Service Module slot 3 onboard digital signal processor slots 4 Enhanced high-speed WAN interface card (EHWIC) slots |
| RAM | 512 MB (installed) / 2 GB (max) |
| Flash Memory | 256 MB (installed) / 8 GB (max) |
| Dimensions | 47 cm x 43.8 cm x 8.9 cm |
| Package Weight | 18.93 Kg |
Product Details
Figure 2 shows the front panel of the Cisco 2921 router.
Note:
①AC OK ②On/Off switch ③AC power connector ④Optional RPS adapter(blank panel shown) ⑤LEDs area
Table 2 shows the LEDs area description.
| LED | Color | Description |
| SYS | 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 | 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 | PoE is available. |
| Amber | Power supply is not supplying PoE power. | |
| RPS | Green | System is running on external RPS power supply. |
| PS | Green | System is running. |
| Amber | System is not running. |
Figure 3 shows some LEDs on the back panel of the Cisco 2921 router.
Note:
① Compact flash 0 and 1 (0, right) ② ISM ③ PVDM3 0,1 and 2 (0 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. | ||
| 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. | ||
| PVDM 0, 1 and 2 | Green | PVDM is initialized. | Back Panel |
| Amber | PVDM is detected but not initialized. | ||
| Off | No PVDM installed. |
Figure 4 show the expansion slots and ports on the back panel.
The Cisco 2921/K9 supports expansion functions with modules and cards.
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
⑦ 10/100/1000 Ethernet port (GE 0/1 and GE 0/2) ⑧ 10/100/1000 Ethernet port GE 0/0
⑨ Ground ⑩ USB 0 and 1 (1, top) Service module slots
Figure 5 shows the unboxing view of CISCO2921/K9.
Cards and Licenses
Table 4 shows some recommended models for this router.
|
Cards |
Description |
|
Enhanced EtherSwitch Service Module, L2/L3 switching, 16* 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology |
|
|
Enhanced EtherSwitch Service Module, L2/L3 switching, 24 * 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology |
|
|
Cisco Voice/WAN Card VWIC3-2MFT-G703 |
|
|
2-Port Serial WAN Interface Card Cisco Router High-Speed WAN Interface card |
|
|
Cisco 1900, 2900, 3900 Router EHWIC WAN Card EHWIC-1GE-SFP-CU |
|
|
Four port 10/100/1000 Base-TX Gigabit Ethernet switch interface card for Cisco 1900 2900 3900 Routers |
|
|
Internal Services Module (ISM) with Services Ready Engine |
|
|
16-channel high-density voice DSP module |
|
|
256MB to 1GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
|
|
256MB to 2GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
|
|
256MB to 512MB CF Upgrade for Cisco 1900,2900,3900 ISR |
|
|
256MB to 4GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
|
|
1GB USB Flash Token |
|
|
Licenses |
Description |
|
Cisco 2900 License L-SL-29-SEC-K9 Security E-Delivery PAK for Cisco 2901-2951 |
|
|
Cisco Application Experience License ISR 2900 Series – includes licenses for: AppX, DATA and WAASX |
|
|
Cisco 2900 License L-SL-29-SECNPE-K9 SEC No Payload Encryption E PAK for Cisco 2901-2951 |
|
|
Cisco 2900 License L-SL-29-UC-K9= Unified Communication E-Delivery PAK for Cisco 2901-2951 |
Cisco CISCO2921/K9 Specification
CISCO2921/K9 Specification |
|
| General | |
| Device Type | Router |
| Enclosure Type | Rack-mountable – modular – 2U |
| Connectivity Technology | Wired |
| Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
| Network / Transport Protocol | IPSec, L2TPv3 |
| Routing Protocol | OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, static IP routing, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing, policy-
based routing (PBR), MPLS, Bidirectional Forwarding Detection (BFD), IPv4-to-IPv6 Multicast |
| Remote Management Protocol | SNMP, RMON, TR-069 |
| Features | Firewall protection, VPN support, MPLS support, Syslog support, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ),
Weighted Random Early Detection (WRED), Web Services Management Agent (WSMA), NetFlow |
| Compliant Standards | IEEE 802.3, IEEE 802.1Q, IEEE 802.3af, IEEE 802.3ah, IEEE 802.1ah, IEEE 802.1ag, ANSI T1.101, ITU-T G.823, ITU-T G.824 |
| RAM | 512 MB (installed) / 2 GB (max) |
| Flash Memory | 256 MB (installed) / 8 GB (max) |
| Status Indicators | Link activity, power |
| Expansion and Connectivity | |
| Interfaces | 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 ¦ USB : 2 x 4 pin USB Type A ¦ 1 x SFP (mini-GBIC) |
| Expansion Slot(s) | 4 (total) / 4 (free) x HWIC ¦ 3 (total) / 3 (free) x PVDM ¦ 2 (total) / 1 (free) x CompactFlash Card ¦ 1 (total) / 1 (free) x expansion slot |
| Power | |
| Power Device | Power supply – internal |
| Voltage Required | AC 120/230 V ( 50/60 Hz ) |
| Miscellaneous | |
| Dimensions (W × D × H) | 17.2 × 18.5 × 3.5 in (47 x 43.8 x 8.9 cm) |
| Package Weight | 41.7 lbs (18.93 Kg) |
| Weight | 29.1 lbs (13.2 Kg) |
| Rack Mounting Kit | N/A |
| Compliant Standards | CISPR 22 Class A, CISPR 24, EN55024, EN55022 Class A, EN50082-1, AS/NZS 60950-1, ICES-003 Class A, CS-03, R&TTE,
FCC CFR47 Part 15, EN300-386, UL 60950-1, IEC 60950-1, EN 60950-1, BSMI CNS 13438, AS/NZS 3548 Class A, CAN/CSA C22.2 No. 60950-1, VCCI V-3, EN 61000, TIA/EIA/IS-968 |
| Software / System Requirements | |
| OS Provided | Cisco IOS IP Base |
| Manufacturer Warranty | |
| Service & Support | 90 days warranty |
| Service & Support Details | Limited warranty – 90 days |
| Environmental Parameters | |
| Min Operating Temperature | 32 °F |
| Max Operating Temperature | 104 °F |
| Humidity Range Operating | 10 – 85% |
Reviews
There are no reviews yet.