Name: 1861, 8-user CME, CUE, Ph. Lic, 4FXS, 4FXO, 8xPOE, HWIC slot
Brand: Cisco
SKU: C1861-UC-4FXO-K9
Availability: OutOfStock

Question 1

What is the Cisco 1861-UC-4FXO-K9 product?

Accepted Answer

The Cisco 1861-UC-4FXO-K9 is an integrated branch router combining an 8-user Cisco Unified Communications Manager Express (CME), Cisco Unity Express (CUE) voicemail, 4 FXS, 4 FXO, 8 PoE ports and one HWIC slot for modular expansion.

Question 2

How many voice users does the Cisco 1861 support?

Accepted Answer

The Cisco 1861 supports up to 8 active voice users via Cisco Unified Communications Manager Express (CME) for small branch and remote office deployments.

Question 3

Which licenses are included with this router?

Accepted Answer

This model includes licenses for 8-user Cisco CME, Cisco Unity Express voicemail, and phone system functionality for FXS/FXO port operation.

Question 4

What are the FXS and FXO port capabilities?

Accepted Answer

The router provides four FXS ports for analog handset connectivity and four FXO ports for PSTN loop start trunking to a public telephone network.

Question 5

How many PoE ports are available and what is their power budget?

Accepted Answer

There are eight integrated PoE ports delivering up to 15.4 W per port (802.3af) with a total PoE power budget of 124 W to support IP phones and access points.

Question 6

Can I expand the Cisco 1861 with additional modules?

Accepted Answer

Yes. The single High-Speed WAN Interface Card (HWIC) slot supports a variety of Cisco voice, serial or broadband modules for customized WAN and voice connectivity.

Question 7

What data throughput does the Cisco 1861 achieve?

Accepted Answer

The Cisco 1861 router delivers up to 25 Mbps of aggregate IPv4 data throughput, ideal for secure small branch or remote office deployments.

Question 8

Does this router include integrated voicemail?

Accepted Answer

Yes. Cisco Unity Express (CUE) is embedded, providing up to 300 mailboxes with unified messaging, auto-attendant and voicemail-to-email features.

Question 9

Which security features are supported?

Accepted Answer

The Cisco 1861 offers stateful firewall, IPSec and SSL VPN, intrusion prevention (with licensed IPS module), and advanced threat mitigation capabilities.

Question 10

How is the device managed and configured?

Accepted Answer

Administration is via Cisco IOS command-line interface (CLI), Cisco Configuration Professional GUI, or Cisco Prime for centralized provisioning and monitoring.

Question 11

Is the Cisco 1861 rack-mountable?

Accepted Answer

Yes. The router ships with a rack-mount kit that allows installation in a standard 19-inch equipment rack or 1U-high data cabinet.

Question 12

What environmental specifications does it meet?

Accepted Answer

The Cisco 1861 operates between 0 °C to 40 °C, supports 10%–90% non-condensing humidity, and complies with RoHS and WEEE standards.

Question 13

What power options are available?

Accepted Answer

The router supports an internal 260 W universal AC power supply and optional external DC modules for 48 V environments.

Question 14

How do I configure FXO and FXS ports for incoming calls?

Accepted Answer

Configure dial peers in Cisco IOS under voice service voip and dial-peer voice sections, binding incoming called numbers to FXS and FXO interfaces.

Question 15

What warranty and support options are offered?

Accepted Answer

Cisco provides a one-year limited hardware warranty and optional SMARTnet support for software updates, hardware replacement and 24×7 technical assistance.

Question 16

Which HWIC modules are compatible with the Cisco 1861?

Accepted Answer

Compatible HWIC modules include Cisco HWIC-1DSU-T1, HWIC-2SHDSL, HWIC-4A/S, HWIC-2FXO, HWIC-2FXS, and other data/voice interface cards for tailored WAN and PSTN connectivity.

	C1861-UC-4FXO-K9	C1841-3G-G-SEC/K9	C1861W-UC-4FXO-K9	C1841-3G-V-SEC/K9	CISCO1802
5G Support	No	No	No	No	No
Architecture	Fixed	Fixed	Fixed	Fixed	Fixed
Broadband	N/A	3G	N/A	N/A	DSL
Built-in Security Features	Firewall / Intrusion Prevention	Firewall, IPSec, Intrusion Prevention	Firewall / Intrusion Prevention	Firewall, Intrusion Prevention, Malware Protection	Firewall, Intrusion Prevention
Compliance Standards	FCC, CE	FCC, CE	FCC / CE / UL	FCC, CE	IEEE 802.3, 802.3u, 802.3ab
Connectivity Type	Wired	Wired	Wired	Wired	Wired
Depth	N/A	9.25 inches	N/A	14.6 inches	13 inches
Device Type	Router	Router	Router	Router	Router
EMC	FCC, CE	N/A	N/A	N/A	FCC, CE
Ethernet Technology	10/100	10/100	10/100	10/100	10/100/1000
Expansion Slots	EHWIC	2 EHWIC Slots	EHWIC	EHWIC	NIM, EHWIC
Features	VPN / VoIP / Firewall / IPv6 Compatible	VPN, NAT, ACL, QoS, Firewall	VPN / VoIP / IPv6 Compatible / Firewall	VPN, Firewall, Intrusion Prevention, NAT, QoS, Routing	VPN, VoIP, IPv6 Compatible, Firewall, MPLS
Firewall Features	Yes	Yes	Yes	Yes	Yes
Flash Memory	128 MB	256 MB	256 MB	256 MB	256 MB
Form Factor	Rack-mount	Desktop	Desktop	Desktop / Rack-mount	Rack-mount
Height	N/A	1.75 inches	N/A	1.73 inches	1.75 inches
High Availability Support	Supported	Not Supported	Not Supported	Not Supported	Supported
Integrated Services	Voice	Security, VPN	Voice / Video	Voice, VPN, Security	Voice, Video, WAN Optimization
Interface Ports	RJ-45	2 x 10/100 Ethernet, 1 x Auxiliary Port	RJ-45	RJ-45	RJ-45, Combo Ports
LAN Ports	N/A	2 x 10/100 Ethernet	4 LAN Ports	2 LAN Ports	4 LAN Ports
Management	Managed	Managed	Managed	Managed	Managed
Memory	256 MB	128 MB	512 MB	128 MB	512 MB
Modular Slots Available	1 Slot	2 Slots	1 Slot	2 Slots	2 Slots
Network Protocols	IP	IPv4, IPv6	IP / IPX / PPP	IPv4, IPv6, TCP/IP	IP, TCP, UDP, HTTP, SNMP
Power	60 Watt	65W	50W	65 Watts	150W
Power Source	AC Power Supply	AC Power Supply	AC Power Supply	AC Power Supply	AC Power Supply with Redundant Option
Product Name	Cisco 1861 Unified Communications Integrated Services Router (C1861-UC-4FXO-K9)	Cisco C1841-3G-G-SEC/K9 Integrated Services Router	Cisco 1861W UC 4FXO	Cisco 1841 Integrated Services Router C1841-3G-V-SEC/K9	Cisco 1802 Integrated Services Router
Product Type	Integrated Services Router	Enterprise Router	Integrated Services Router	Enterprise Router	Enterprise Router
QoS Features	Supported	Supported	Supported	Supported	Supported
Remote Management	Telnet, SSH, SNMP	Telnet, SSH, SNMP	CLI / Web-based	Telnet, SSH, SNMP, HTTP/HTTPS	Telnet, SSH, SNMP, HTTPS
Routing Protocols	OSPF / EIGRP / RIP / Static Routing	OSPF, EIGRP, RIP, BGP, Static Routing	EIGRP / OSPF / RIP / Static Routing	OSPF / EIGRP / RIP / BGP / Static Routing	OSPF / BGP / EIGRP / Static Routing
Safety	UL, cUL	N/A	N/A	N/A	UL, CE
Speed/Capacity	N/A	Fast Ethernet	Gigabit	Fast Ethernet	Gigabit
Stacking Capability	No	No	No	No	Yes
Telecom	FCC Part 68	N/A	N/A	N/A	ETSI
Throughput Capacity	0.025 Gbps	35 Mbps	0.025 Gbps	33 Mbps	1 Gbps
Use Case	Business	Enterprise, Small Business, Branch Office	Enterprise	Enterprise / Small Business	Enterprise / Business
VPN Support	IPSec / SSL VPN	IPSec, GRE, DMVPN	IPSec / SSL VPN	IPSec / SSL VPN	IPSec / SSL VPN
WAN Configuration	WAN	Single WAN	WAN	WAN	Dual WAN
WAN Ports	2 WAN	2 x 10/100 Ethernet	2 WAN	1 WAN	2 WAN
Weight	N/A	12 lbs	N/A	8.6 lbs	15 lbs
Wi-Fi Standard	N/A	N/A	WiFi 4	N/A	N/A
Width	N/A	11.5 inches	N/A	17.2 inches	17 inches
Wireless Support	No	No	Yes	No	No

C1861-UC-4FXO-K9

$5,000,000+

Officially Accredited

Next-Gen IT

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Quality Certifications

Product Comparison Table

Reviews & Ratings

Questions & Answers

What is the Cisco 1861-UC-4FXO-K9 product?

How many voice users does the Cisco 1861 support?

Which licenses are included with this router?

What are the FXS and FXO port capabilities?

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