Cisco 3800 Series User Manual

Power Connections
23
Connecting Cables to Cisco 3800 Series Routers
OL-5970-02
Figure 12 DC Power Connections for Cisco 3825 Routers
Figure 13 DC Power Connections for Cisco 3845 Routers
Step 6
Install the plastic cover over the terminals. (See Figure 14.)
Warning The safety cover is an integral part of the product. Do not operate the unit without the safety cover
installed. Operating the unit without the cover in place will invalidate the safety approvals and pose
a risk of fire and electrical hazards. Statement 117
Step 7 Organize and bundle the wires using cable ties as shown in Figure 14 or Figure 15.
Step 8 If you are installing a second DC power supply, repeat Step 1 through Step 7 for the second supply
(input B).
Step 9 Turn on power to the DC circuit. Be sure to remove tape used to secure the circuit-breaker switch in the
OFF position.
111752
A
+
B
+
A ++B
Terminal
block
Negative DC input Positive DC input
Terminal
block
-DC, input B
Return, input B
Safety ground
Return, input A
-DC, input A
Return, input B
+DC, input B
Safety ground
+DC, input A
Return, input A
117981
0V (return)
Negative polarity input
Safety ground
Positive polarity input
0V (return)
Safety ground
24-60 19-8 A 24-60 19-8 A
Positive DC input
Negative DC input

Cisco 3800 Series Specifications

General

Connectivity Technology	Wired
Models	Cisco 3825, Cisco 3845
Operating System	Cisco IOS
Routing Protocols	BGP, OSPF, EIGRP, RIP, IS-IS
Interfaces	Fast Ethernet, Gigabit Ethernet, Serial, ISDN BRI, Voice
WAN Interfaces	T1/E1, ISDN BRI, Serial
Security Features	Firewall, VPN, IPS, SSH
Voice Support	Yes
Network Management	SNMP, CLI
Product Type	Router
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Network/Transport Protocol	TCP/IP
Features	Quality of Service (QoS)
RAM	256 MB
Flash Memory	64 MB
Product Series	Cisco 3800 Series