The Cisco 1921 builds on the best-in-class offering of the Cisco 1841 Integrated Services Routers. All Cisco 1900 Series Integrated Services Routers offer embedded hardware encryption acceleration, optional firewall, intrusion prevention, and advanced security services. In addition, the platforms support the industry's widest range of wired and wireless connectivity options such as Serial, T1/E1, xDSL, Gigabit Ethernet, and third-generation (3G) wireless.
Firewall protection, VPN support, MPLS support, VLAN support, Syslog support, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED), Quality of Service (QoS)
Compliant Standards:
IEEE 802.3ah, IEEE 802.1ag
Communications
Type:
DSU/CSU
Protocols & Specifications:
HDLC
Max Transfer Rate:
1.544 Mbps
Expansion / Connectivity
Expansion Slots Total (Free):
2 ( 1 ) x EHWIC
Interfaces:
2 x network, Ethernet 10Base-T/100Base-TX/1000Base-T, RJ-45 , 1 x serial, console , 1 x management, console, mini-USB Type B , 1 x serial, auxiliary , 1 x Hi-Speed USB, 4 pin USB Type A , 1 x m
Miscellaneous
Compliant Standards:
VCCI, CISPR 22 Class A, CISPR 24, EN55024, EN55022 Class A, EN50082-1, AS/NZS 60950-1, 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. 60950-1
Power
Power Device:
Power supply, internal
Voltage Required:
AC 120/230 V ( 50/60 Hz )
Software / System Requirements
OS Provided:
Cisco IOS Security
Manufacturer Warranty
Service & Support:
1 year warranty
Service & Support Details:
Limited warranty, 1 year
Environmental Parameters
Min Operating Temperature:
32 °F
Max Operating Temperature:
104 °F
Humidity Range Operating:
10, 85%
Cisco 1921 SEC T1 Router Bundle Warranty Information
1.800.814.5410 
858.764.8900 Mon-Fri 6AM-4PM PT
