Cisco C921-4P User Manual

Figure 17: Bottom of the Router with Rubber Feet
1. Rubber Feet (1 of 4)
Do not stack up routers.
Note
Mount the Router under a Desk or a Shelf
Installing the router under a desk requires an optional bracket kit that is not included with the router. The kit
contains the rack-mount brackets and screws to secure the brackets to the router and the underside of the desk.
You can order these kits from your Cisco representative. This procedure describes how to mount router under
a desk or a shelf .
Step 1 Attach a bracket to one side of the router using the flat-head screws (Refer Figure 19: Flat-head Machine Screws, on page
26). Follow the same steps to attach the second bracket to the opposite side.
Hardware Installation Guide for the Cisco 900 Series Integrated Services Router
25
Install and Connect the Router
Mount the Router under a Desk or a Shelf

Cisco C921-4P Specifications

General

Switch type	Managed
Quality of Service (QoS) support	Yes
USB 2.0 ports quantity	1
Basic switching RJ-45 Ethernet ports type	-
Basic switching RJ-45 Ethernet ports quantity	4
10G support	No
Networking standards	IEEE 802.1D
Product color	Black
Electromagnetic compatibility	47CFR, AS/NZS CISPR22 2, CISPR22, EN55022, ICES003, EN61000-3-2, KCC, EN55024, KN24
Flash memory	2048 MB
Internal memory	1024 MB
MAC address table	- entries
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	0 - 50 °C
Operating relative humidity (H-H)	5 - 95 %
Security algorithms	802.1x RADIUS
Harmonized System (HS) code	85176990

Weight and Dimensions

Depth	241.3 mm
Width	228.6 mm
Height	43.2 mm
Weight	1200 g