Cisco C891F User Manual

2-14
Cisco Integrated Services Router Hardware Installation Guide
Chapter 2 Installing the Router
Installing the Cisco 810 ISR
Step 7 Hold the mounting bracket and insert a 6-32 x 0.18-inch screw into each of the four corresponding holes
(A, B, or C) and tighten.
Step 8 If necessary, drill or cut a cable access hole in the ceiling tile large enough for the Ethernet and power
cables. Pull the cables through the access hole until you have about 1 foot of cable protruding from the
hole.
Step 9 (Optional). Use the ground screw to ground the router to a suitable building ground. See the “Grounding
the Cisco 812 ISR” section on page 2-18 for general grounding instructions.
Step 10 Connect the Ethernet and power cables to the router.
Step 11 Align the router feet over the keyhole mounting slots on the mounting bracket. If you created a hole for
the cables, make sure the router is positioned so that the cables reach their respective ports.
Step 12 Gently slide the router onto the mounting bracket until it clicks into place. Figure 2-14 shows the
Cisco 812 ISR mounted on a T-rail ceiling rail using a ceiling grid clip.

Cisco C891F Specifications

General

Category	Network Router
USB Ports	1 x USB 2.0
Form Factor	Desktop
RAM	512 MB
Flash Memory	256 MB
Device Type	Router
Connectivity Technology	Wired
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Product Name	Cisco C891F
LAN Ports	8
Console Ports	1
Network / Transport Protocol	IPSec, L2TP, PPPoE
Remote Management Protocol	SNMP, Telnet
Features	Firewall protection, VLAN support, VPN support, IPv6 support, QoS
Compliant Standards	IEEE 802.1Q, IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Operating Temperature	32 °F to 104 °F (0 °C to 40 °C)
Operating Humidity	10% to 85% non-condensing
Interfaces	1 x USB 2.0, 1 x RJ-45 console
Ports	1 x USB 2.0, 1 x console