Cisco C921-4P User Manual

Step 1 Determine the required distance between mounting holes on the router. For Cisco 900 routers, the distance between
mounting holes is 4.15 inches. Figure below shows the wall-mount holes located on the underside of the router.
Figure 15: Router with Wall-mount Holes on the Underside
Step 2 Use a 0.144-inch (3.7 mm) or a #27 drill bit to drill a hole in the wall.
Step 3 Insert the screws, with anchors, into the wall. Leave 1/8 inch (0.32 cm) between the screw head and the wall.
Hardware Installation Guide for the Cisco 900 Series Integrated Services Router
22
Install and Connect the Router
Wall Mount

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