Cisco 2520-RF - 2520 Router Specifikace stáhnout pdf (Strana 86)

B-4 Cisco Multiport Router Installation and Configuration Guide

Opening the Chassis

Step 8 When the top cover is off, set it aside. Figure B-2 shows the layout of the system

card, which is the same for the routers.

Figure B-2 System Card Layout—Model 2520

Serial 0

Flash card socket

Daughter card

connectors

Serial 1

Boot ROMs

Serial 2Serial 3Ethernet

10BaseTConsole

Auxiliary BRI0

System-code SIMM sockets

Primary memory

(DRAM SIMM)

Shared memory

(fixed DRAM)

H5840

FW1

FW2

CODE1 CODE0

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 115 116

About This Guide 1
Organization 2
Conventions 2
Overview of the Router 5
Illo has been ordered 6
Overview of the Router 1-3 7
Router Hardware Features 7
Port Conﬁguration 8
Remote Node Services 9
Terminal Services 10
Plain old 11
IP or IPX 11
System Speciﬁcations 12
Obtaining Service and Support 13
Cisco Connection Online 14
Ordering Documentation 15
Safety Recommendations 17
General Site Requirements 20
Conﬁguring Equipment Racks 21
Power Supply Considerations 22
DTE or DCE 23
Signaling Standards 25
Router connections 27
EIA/TIA-449 V.35 X.21 27
EIA/TIA-232 EIA-530 27
EIA/TIA-232 Connections 28
EIA/TIA-449 Connections 28
V.35 Connections 29
X.21 Connections 30
EIA-530 Connections 31
Ethernet Connections 32
Token Ring Connections 32
BRI Connections 33
Console Port Connections 34
Auxiliary Port Connections 34
Inspecting the System 35
Installing the Router 37
Setting Up the Chassis 38
Rubber feet (5) 39
Black adhesive strip 39
Attaching the Brackets 40
Installing the Router 3-5 41
Wall-Mounting the Chassis 42
Installing the Router 3-7 43
DC Power Speciﬁcations 45
Wiring the DC Power Supply 45
Installing the Router 3-11 47
Input: –40––72V 48
Current: 1.5–1.0A 48
Watts: 40W 48
Connecting to a Network 49
Installing the Router 3-15 51
Speciﬁcations.” 53
Installing the Router 3-19 55
Input: 100-240VAC 56
Freq: 50/60HZ 56
Current: 1.2-0.6 A 56
Conﬁguring the Router 59
Using Conﬁguration Mode 61
Using AutoInstall 62
Using the Setup Facility 63
Configuring the Router 64
Configuring the Router 4-7 65
Configuring the Router 4-11 69
Setting Half-Duplex Mode 73
Specifying the Boot Method 75
Getting More Information 77
Troubleshooting the Router 79
Isolating Problems 80
° F (0to40°C) 80
Reading the LEDs 81
Maintaining the Router 83
Opening the Chassis 84
Screw Slot 85
Flat-blade screwdriver 85
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Upgrading the DRAM SIMM 87
• ESD-preventive wrist strap 89
• System-code SIMM(s) 89
System-Code SIMM Replacement 90
Maintaining the Router B-9 91
Closing the Chassis 92
Cable Speciﬁcations 95
Identifying a Roll-Over Cable 96
Token Ring Pinout 101
EIA/TIA-232 104
EIA/TIA-449 108
<— indicates DCE to DTE 111

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