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C-22 Cisco 2524 and Cisco 2525 Router User Guide
Synchronous Serial Cable Assemblies and Pinouts
Figure C-10 X.21 Cable Assembly
Table C-19 X.21 DTE Cable Pinouts (DB-60 to DB-15)
60 Pin Signal Description Direction 15 Pin Signal
J1-48
J1-47
GND
MODE_2
Shorting group – – –
J1-51
J1-52
GND
MODE_DCE
Shorting group – – –
J1-46 Shield_GND Single – J2-1 Shield GND
J1-11
J1-12
TxD/RxD+
TxD/RxD–
Twisted pair no. 3 —>
—>
J2-2
J2-9
Transmit+
Transmit–
J1-9
J1-10
RTS/CTS+
RTS/CTS–
Twisted pair no. 2 —>
—>
J2-3
J2-10
Control+
Control–
J1-28
J1-27
RxD/TxD+
RxD/TxD–
Twisted pair no. 6 <—
<—
J2-4
J2-11
Receive+
Receive–
J1-1
J1-2
CTS/RTS+
CTS/RTS–
Twisted pair no. 1 <—
<—
J2-5
J2-12
Indication+
Indication–
H1974
60-pin connector (J1)
15-pin connector (J2)
Connectors are not to scale
J2-8
J2-15
J2-9
J2-1
J1-46
J1-45
J1-16
J1-15
J1-1
J1-30
J1-31
J1-60
- About This Guide 1
- Document Organization 2
- Document Conventions 3
- Safety Warnings.”) 4
- Overview of the Cisco 2524 5
- Features 10
- Specifications 11
- FCC Part 68 13
- Preparing to Install the 15
- Cisco 2524 and Cisco 2525 15
- Safety Recommendations 16
- Site Environment 18
- Preventive Site Configuration 18
- Configuring Equipment Racks 19
- Power Supply Considerations 19
- Installation Checklist 20
- Creating a Site Log 22
- 1. kHz = kilohertz 23
- ISDN Connections 26
- 1. nF = nanoFarad 27
- Ethernet Connections 29
- Token Ring Connections 29
- Console Port Connections 30
- Auxiliary Port Connections 30
- Inspecting the System 31
- Installing the Cisco 2524 and 33
- Required Tools and Parts 34
- Setting Up the Chassis 35
- Rack-Mounting the Chassis 36
- Attaching the Brackets 37
- Figure 3-6 or Figure 3-7 38
- Figure 3-8 or Figure 3-9 39
- Installing in a Rack 40
- Wall-Mounting the Chassis 41
- SERIAL 1 42
- SERIAL 0 42
- DC Power Specifications 43
- Wiring the DC Power Supply 44
- Input: –40––72V 45
- Current: 1.5–1.0A 45
- Watts: 40W 45
- Connecting to the Network 46
- Connecting to a WAN 51
- Figure 3-20.) 52
- Figure 3-21.) 53
- Figure 3-22.) 54
- ACTIVITY 55
- Console port 59
- RJ-45 roll-over cable 59
- RJ-45-to-DB-25 adapter 59
- Configuring the Cisco 2524 and 63
- Configuring the Router 64
- Using Configuration Mode 65
- Using AutoInstall 66
- Configuring the Router 67
- Configuring ISDN 76
- Configuring Switched 56 78
- Configuring DDS 79
- Specifying the Boot Method 82
- Getting More Information 84
- Cabling Specifications for the 85
- Identifying a Roll-Over Cable 86
- Pin 1 and pin 8 87
- (labeled Terminal) 88
- (labeled Modem) 89
- Token Ring Port Pinouts 93
- RJ-48C jack 94
- EIA/TIA-232 97
- EIA/TIA-449 99
- <— indicates DCE to DTE 102
- APPENDIX 109
- Running Diagnostic Tests 111
- Getting Help 111
- Cisco 2525 Routers 113
- Installing WAN Modules 114
- Opening the Chassis 115
- Tools Required 116
- Removing the Chassis Cover 116
- Screw Slot 117
- Flat-blade screwdriver 117
- CODE0CODE1 118
- Upgrading the DRAM SIMM 119
- Tools and Equipment Required 121
- DRAM SIMM Installation 121
- System-Code SIMM Replacement 123
- Replacing the Cover 126
- Recovering Lost Passwords 127
- (Router#): 132
- > b [tftp] flash filename 134
- Translated Safety Warnings 141
- Product Disposal Warning 142
- Jewelry Removal Warning 143
- Ground Connection Warning 144
- Installation Warning 145
- TN Power Warning 146
- Circuit Breaker (15A) Warning 146
- SELV Circuit Warning 148
- ISDN Connection Warning 152
- Qualified Personnel Warning 154
- Restricted Area Warning 155
- DC Power Supply Warning 159
- DC Power Connection Warning 160
- Lightning Activity Warning 161
- Grounded Equipment Warning 162
- Power Supply Warning 164
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