CISCO1941/K9 Overview
The Cisco 1941 Router, modular router, is designed for branch offices.
Quick Specs
Figure 1 shows the front view of Cisco Router 1941/K9.
Table 1 shows the Quick Specs of the CISCO1941/K9.
| Product Code | CISCO1941/K9 |
| Rack Units | 2 RU |
| Interfaces | 2 integrated 10/100/1000 Ethernet ports: GE0/0&GE0/1 |
| Expansion Slot(s) | 2 enhanced High-Speed WAN Interface Card slots
1 Internal Services Module slot |
| RAM | 512 MB (installed) / 2 GB (max) |
| Flash Memory | 256 MB (installed) / 8 GB (max) |
| Dimensions | 34.3 cm x 29.2 cm x 8.9 cm |
| Package Weight | 10.48 Kg |
Product Details
Figure 2 shows the statue LEDs, on the front panel of the 1941/K9, including three statues: SYS, ACT and PoE.
Table 2 shows the front panel 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 when any packets are transmitted or received on any WAN or LAN, or when monitoring system activity. |
| PoE | Green | PoE is available. |
| Amber | Power supply is not supplying PoE power. |
Figure 3 shows the back panel of this router with LEDs.
Note:
| ① | Kensington security slot | ⑤ | EN (Enable USB console) |
| ② | CF 1 | ⑥ | EN (Enable RJ-45 console) |
| ③ | CF 0 | ⑦ | S (Speed) |
| ④ | ISM or WLAN | ⑧ | L (Link) |
Table 3 shows the back panel LEDs area description.
| LED | Color | Description | Location |
| CF 1 | Green | Flash memory is busy. | Back Panel |
| Amber | Initialized with error. | ||
| Blinking Green then turns off | CompactFlash is ready for removal. | ||
| CF 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 |
Figure 4 shows the ports and slots on the back panel of Cisco 1941/K9.
Note:
| ① | On/Off switch | ⑦ | Compact flash 2 |
| ② | HWIC slot 1 | ⑧ | HWIC slot 2 |
| ③ | Input power connector | ⑨ | USB serial port |
| ④ | AUX port | ⑩ | GE 0/1 |
| ⑤ | GE 0/0 | ⑪ | USB ports |
| ⑥ | Compact flash 1 | ||
·Cisco 1941/K9 supports 2 integrated EHWIC slots for flexible configurations. It supports two modules: 1 double wide HWIC-D or single wide EHWIC/HWIC module or a 2nd single wide E-HIC/HWIC module.
·2 high-speed USB 2.0 ports enable another mechanism secure token capabilities and storage.
·The 1941 has 2 external Compact Flash slots supporting to extend up to 8GB.
Figure 5 shows the internal view of the Cisco 1941.
There is a blank Memory slot inside the device, supporting to extend memory.
Modularity Features
The Cisco 1941 provides significantly enhanced modular capabilities offering investment protection for customers.
Table 4 shows interfaces and modules for this router.
| Models | Description |
| ISM-SRE-300-K9 | Internal Services Module (ISM) with Services Ready Engine |
| MEM-CF-256U1GB | 256MB to 1GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
| MEM-CF-256U2GB | 256MB to 2GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
| MEM-CF-256U512MB | 256MB to 512MB CF Upgrade for Cisco 1900,2900,3900 ISR |
| MEM-CF-256U4GB | 256MB to 4GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
| EHWIC-1GE-SFP-CU | Cisco 1900, 2900, 3900 Router EHWIC WAN Card EHWIC-1GE-SFP-CU |
| EHWIC-4ESG | Four port 10/100/1000 Base-TX Gigabit Ethernet switch interface card for Cisco 1900 2900 3900 Routers |
| HWIC-2FE | HWIC two routed port Cisco Router High-Speed WAN Interface card |
| HWIC-1T | 1-Port Serial WAN Interface Card Cisco Router High-Speed WAN Interface card |
| HWIC-2T | 2-Port Serial WAN Interface Card Cisco Router High-Speed WAN Interface card |
| VWIC3-1MFT-T1/E1 | Cisco Voice/WAN Card VWIC3-1MFT-T1/E1 |
| VWIC3-2MFT-T1/E1 | Cisco Voice/WAN Card VWIC3-2MFT-T1/E1 |
| VWIC3-1MFT-G703 | Cisco Voice&WAN T1/E1 interface moudle VWIC3-1MFT-G703 |
| VWIC3-2MFT-G703 | Cisco Voice/WAN Card VWIC3-2MFT-G703 |
Compare to Similar Routers
Table 6 shows the comparison between Cisco 1921 router and 1941 router.
| Model | CISCO1921/K9 | CISCO1941/K9 |
| Interface | w/2 GE | 2 GE |
| EHWIC slot | 2 | 2 |
| ISM Slot | 0 | 1 |
| Memory | 512 MB (installed) / 512 MB (max) | 512 MB (installed) / 2 GB (max) |
| Flash Memory | 256 MB (installed) / 256 MB (max) | 256 MB (installed) / 8 GB (max) |
| Rack Unit | 1U | 2U |
CISCO1941/K9 Specification
CISCO1941/K9 Specification |
|
| Main Specs | |
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CISCO1941/K9 |
| Product Type | Router |
| Form Factor | External – modular – 2U |
| Dimensions (WxDxH) | 34.3 cm x 29.2 cm x 8.9 cm |
| Weight | 5.8 kg |
| DRAM Memory | 512 MB (installed) / 2 GB (max) |
| Flash Memory | 256 MB (installed) / 8 GB (max) |
| Routing Protocol | OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing |
| Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
| Network / Transport Protocol | IPSec |
| Remote Management Protocol | SNMP, RMON |
| Features | Cisco IOS IP Base , firewall protection, VPN support, MPLS support, Syslog support, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED) |
| Compliant Standards | IEEE 802.3ah, IEEE 802.1ah, IEEE 802.1ag |
| Power | AC 120/230 V ( 50/60 Hz |
| Services and Slot Density | |
| Embedded hardware-based crypto acceleration (IPSec + SSL) | Yes |
| Total Onboard LAN 10/100/1000 | 2 |
| RJ-45-Based Ports | 2 |
| SFP-Based Ports | 0 |
| SM Slots | 0 |
| Double-Wide SM Slots | 0 |
| EHWIC Slots | 2 |
| Double-Wide EHWIC slots (use of a double-wide EHWIC slot will consume two EHWIC slots) | 1 |
| ISM Slots | 1 (0 on the Cisco 1941W) |
| Memory (DDR2 Error Correction Code [ECC] ECC DRAM) – Default | 512 MB |
| Memory (DDR2 ECC DRAM) – Maximum | 2.0 GB |
| Compact Flash (external) – Default | slot 0: 256 MB
slot 1: none |
| Compact Flash (external) – Maximum | slot 0: 4 GB
slot 1: 4 GB |
| External USB flash memory slots (Type A) | 2 |
| USB Console Port (Type B) (up to 115.2 kbps) | 1 |
| Serial Console Port (up to 115.2 kbps) | 1 |
| Serial Auxiliary Port (up to 115.2 kbps | 1 |
| Power Supply Options | AC, POE |
| Redundant Power Supply Support | No |
| Power Specifications | |
| AC Input Voltage | 100-240 V ~ |
| AC Input Frequency | 47-63 Hz |
| AC Input Current range AC Power Supply (Max) (Amps) | 1.5-0.6 |
| AC Input Surge Current | <50 A |
| Typical Power (No Modules) | 35 W |
| Maximum Power capacity with AC power supply | 110 W |
| Maximum Power capacity with PoE power supply (platform only) | 110 W |
| Maximum PoE device power capacity with PoE power supply | 80 W |
| Physical Specifications | |
| Dimensions (H x W x D) | 3.5 in x 13.5 in x 11.5 in (34.3 cm x 29.2 cm x 8.9 cm) |
| Rack Height | 2 RU |
| Rack-mount 19in. (48.3 cm) EIA | Included |
| Wall-mount (refer to installation guide for approved orientation) | Yes |
| Package Weight | 23.1 lbs (10.48 Kg) |
| Weight-with AC power supply (no modules) | 12 lbs(5.44 Kg) |
| Weight-with POE power supply (no modules) | 12.8 lbs (5.8 Kg) |
| Maximum Weight-Fully Configured | 14 lbs (6.35 Kg) |
| Airflow | Front to Side |
| Environmental Specifications | |
| Operating Condition | |
| Temperature-5906 feet (1800 m) max. altitude | 0-40°C (32-104°F) |
| Temperature-9843 feet (3000 m) max. altitude | 0-25°C (32-77°F) |
| Altitude | 3000 m (10000 ft) |
| Humidity | 10 to 85% RH |
| Acoustic: Sound Pressure (Typ/Max) | 26/46 dBA |
| Acoustic: Sound Power (Typ/Max) | 36/55 dBA |
| Transportation/Storage Condition | |
| Temperature | -40 – 70 oC (-40 – 158 oF) |
| Humidity | 5 to 95%RH |
| Altitude | 4570m (15000 ft) |
| Regulatory Compliance | |
| Safety | UL 60950-1
CAN/CSA C22.2 No. 60950-1 EN 60950-1 AS/NZS 60950-1 IEC 60950-1 |
| EMC | 47 CFR, Part 15
ICES-003 Class A EN55022 Class A CISPR22 Class A AS/NZS 3548 Class A VCCI V-3 CNS 13438 EN 300-386 EN 61000 (Immunity) EN 55024, CISPR 24 EN50082-1 |
| Telecom | TIA/EIA/IS-968
CS-03 ANSI T1.101 ITU-T G.823, G.824 IEEE 802.3 RTTE Directive |
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