Enabling Borderless Networks at the Branch

The Cisco 2911 Integrated Services Router (ISR) delivers highly secure data, voice, video, and application service. Key features include:

• 3 integrated 10/100/1000 Ethernet ports (RJ-45 only)
• 1 service module slot
• 4 enhanced high-speed WAN interface card slots
• 2 onboard digital signal processor (DSP) slots
• 1 Internal Service Module slot for application services
• Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE) and Cisco Enhanced PoE
• Security
  • Embedded hardware-accelerated VPN encryption for secure connectivity and collaborative communications Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering
  • Identity management using authentication, authorization, and accounting (AAA) and public key infrastructure
• Voice
  • High-density-packet voice DSP module, optimized for voice and video support
  • Standards-certified VoiceXML browser services
  • Cisco Unified Border Element capabilities
  • Cisco Unity Express voicemail support
  • Support for Cisco Communications Manager Express and Survivable Remote Site Telephony

• Cisco 2900 Integrated Services Router Product Specifications

  	Cisco 2901	Cisco 2911	Cisco 2921	Cisco 2951
  Services and Slot Density
  Embedded Hardware-Based Cryptography and Acceleration	Yes	Yes	Yes	Yes
  Cisco Unified SRST Sessions	35	50	100	250
  Cisco Unified CCME Sessions	35	50	100	150
  Total Onboard WAN 10/100/1000 Ports	2	3	3	3
  RJ-45-Based Ports	2	3	3	3
  SFP-Based Ports (use of SFP port disables the corresponding RJ-45 port)	0	0	1	1
  Service Module Slots	0	1	1	2
  Double-Wide Service Module Slots (use of a double-wide slot will occupy all single-wide service module slots in a 2900)	0	0	1	1
  EHWIC Slots	4	4	4	4
  Double-Wide EHWIC Slots (use of a double-wide EHWIC slot will consume two EHWIC slots)	2	2	2	2
  ISM Slots	1	1	1	1
  Onboard DSP (PVDM) Slots	2	2	3	3
  Memory DDR2 ECC DRAM - Default	512 MB	512 MB	512 MB	512 MB
  Memory (DDR2 ECC DRAM) - Maximum	2 GB	2 GB	2 GB	2 GB
  Compact Flash (External) - Default	slot 0: 256 MB slot 1: none	slot 0: 256 MB slot 1: none	slot 0: 256 MB slot 1: none	slot 0: 256 MB slot 1: none
  Compact Flash (External) - Maximum	slot 0: 4 GB slot 1: 4 GB	slot 0: 4 GB slot 1: 4 GB	slot 0: 4 GB slot 1: 4 GB	slot 0: 4 GB slot 1: 4 GB
  External USB 2.0 Flash Memory Slots (Type A)	2	2	2	2
  USB Console Port (Type B) (up to 115.2 kbps)	1	1	1	1
  Serial Console Port	1	1	1	1
  Serial Auxiliary Port	1	1	1	1
  Power-Supply Options	AC and PoE	AC, PoE, and DC	AC, PoE, and DC	AC, PoE, and DC
  RPS Support (External)	No	Cisco RPS 2300	Cisco RPS 2300	Cisco RPS 2300
  Power Specifications
  AC Input Voltage	100 to 240 VAC auto ranging	100 to 240 VAC auto ranging	100 to 240 VAC auto ranging	100 to 240 VAC auto ranging
  AC Input Frequency	47 to 63 Hz	47 to 63 Hz	47 to 63 Hz	47 to 63 Hz
  AC Input Current Range AC Power Supply (Maximum)	1.5 to 0.6A	2.2 to 1.0A	3.4 to 1.4A	3.4 to 1.4A
  AC Input Surge Current	<50A	<50A	<50A	<50A
  Typical Power (No Modules) (Watts)	40	50	60	70
  Maximum Power with AC Power Supply (Watts)	150	210	320	340
  Maximum Power with PoE Power Supply (Platform Only) (Watts)	175	250	370	405
  Maximum Power with DC-PoE Power Supply (Platform Only) (Watts)	-	140	-	-
  Maximum End-Point PoE Power Available from AC PoE Power Supply (Watts)	130	200	280	370
  Maximum End-Point PoE Power Available from DC PoE Power Supply (Watts)	-	160	-	-
  Maximum End-Point PoE Power Capacity with PoE Boost (Watts)	N/A	750	750	750
  DC Input Voltage	N/A	24 to 60 Vdc, autoranging positive or negative	24 to 60 Vdc, autoranging positive or negative	24 to 60 Vdc, autoranging positive or negative
  DC Input Current	N/A	(MAX) 8A (24V) 3.5A (60V)	(MAX) 12A (24V) 5A (60V)	(MAX) 12A (24V) 5A (60V)
  Physical Specifications
  Dimensions (H x W x D)	1.75 x 17.25 x 17.3 in. (44.5 x 438.2 x 439.4 mm)	3.5 x 17.25 x 12 in. (88.9 x 438.2 x 304.8 mm)	3.5 x 17.25 x 18.5 in. (88.9 x 438.2 x 469.9 mm)	3.5 x 17.25 x 18.5 in. (88.9 x 438.2 x 469.9 mm)
  Rack Height	1RU (rack unit)	2RU	2RU	2RU
  Rack-Mount 19 in. (48.3 cm) EIA	Included	Included	Included	Included
  Rack-Mount 23 in. (58.4 cm) EIA	Optional	Optional	Optional	Optional
  Wall-Mount (refer to installation guide for approved orientation)	Yes	Yes	No	No
  Weight with AC Power Supply (No Modules)	13.4 lb (6.1 kg)	18 lb (8.2 kg)	29 lb (13.2 kg)	29 lb (13.2 kg)
  Weight with AC PoE Power Supply (No Modules)	14.3 lb (6.5 kg)	19 lb (8.6 kg)	30 lb (13.6 kg)	30 lb (13.6 kg)
  Typical Weight Fully Configured	16 lb (7.3 kg)	21 lb (9.5 kg)	34 lb (15.5 kg)	34 lb (15.5 kg)
  Airflow	Front to side	Side to side	Back and Side to Front	Back and Side to Front
  Optional Airflow Kit	N/A	Front to back	N/A	N/A
  Environmental Specifications
  Operating Conditions
  Temperature: 5,906 feet (1,800m) Maximum Altitude	32 to 104ºF (0 to 40ºC)	32 to 104ºF (0 to 40ºC)	32 to 104ºF (0 to 40ºC)	32 to 104ºF (0 to 40ºC)
  Temperature: 9,843 feet (3,000m) Maximum Altitude	32 to 77ºF (0 to 25ºC)	32 to 104ºF (0 to 40ºC)	32 to 104ºF (0 to 40ºC)	32 to 104ºF (0 to 40ºC)
  Temperature: 13,123 feet (4,000m) Maximum Altitude	N/A	32 to 86ºF (0 to 30ºC)	32 to 86ºF (0 to 30ºC)	32 to 86ºF (0 to 30ºC)
  Temperature: Short-Term (per NEBS) 5906 feet (1,800m) Maximum Altitude	N/A	23°F to 122°F (-5 to 50°C)	N/A	23°F to 122°F (-5 to 50°C)
  Altitude	10,000 ft (3,000m)	13,000 ft (4,000m)	10,000 ft (3,000m)	13,000 ft (4,000m)
  Relative Humidity	10 to 85%	5 to 85%	10 to 85%	5 to 85%
  Short-Term (per NEBS) Humidity	N/A	5% to 90%, but not to exceed 0.024 kg water/kg of dry air	N/A	N/A
  Acoustic: Sound Pressure (Typical/Maximum)	41/53 dBA	51.8/62.9 dBA	54.4/67.4 dBA	54.4/67.4 dBA
  Acoustic: Sound Power (Typical/Maximum)	49/61 dBA	58.5/70.3 dBA	62.6/74.5 dBA	62.6/74.5 dBA
  Non-Operating Conditions
  Temperature	-40 to 158ºF (-40 to 70ºC)	-40 to 176ºF (-40 to 80ºC)	-40 to 158ºF (-40 to 70ºC)	-40 to 158ºF (-40 to 70ºC)
  Relative Humidity	5 to 95%	5 to 95%	5 to 95%	5 to 95%
  Altitude	15,000 ft (4,570m)	15,000 ft (4,570m)	15,000 ft (4,570m)	15,000 ft (4,570m)
  Regulatory Compliance
  Safety	UL 60950-1 CAN/CSA C22.2 No. 60950-1 EN 60950-1 AS/NZS 60950-1 IEC 60950-1	UL 60950-1 CAN/CSA C22.2 No. 60950-1 EN 60950-1 AS/NZS 60950-1 IEC 60950-1	UL 60950-1 CAN/CSA C22.2 No. 60950-1 EN 60950-1 AS/NZS 60950-1 IEC 60950-1	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	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	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	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	TIA/EIA/IS-968 CS-03 ANSI T1.101 ITU-T G.823, G.824 IEEE 802.3 RTTE Directive	TIA/EIA/IS-968 CS-03 ANSI T1.101 ITU-T G.823, G.824 IEEE 802.3 RTTE Directive	TIA/EIA/IS-968 CS-03 ANSI T1.101 ITU-T G.823, G.824 IEEE 802.3 RTTE Directive

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