Table 15: Console Port Signaling with a DB-9 Adapter
Console Device
RJ-45-to-DB-9 Terminal Adapter
Switch Console Port (DTE)
Signal
DB-9 Pin
Signal
CTS
8
RTS
DSR
6
DTR
RxD
2
TxD
GND
5
GND
GND
5
GND
TxD
3
RxD
DTR
4
DSR
RTS
7
CTS
Table 16: Console Port Signaling with a DB-25 Adapter
Console Device
RJ-45-to-DB-25 Terminal Adapter
Switch Console Port (DTE)
Signal
DB-25 Pin
Signal
CTS
5
RTS
DSR
6
DTR
RxD
3
TxD
GND
7
GND
GND
7
GND
TxD
2
RxD
DTR
20
DSR
RTS
4
CTS
Cleaning the Fiber-Optic Connectors
Fiber-optic connectors are used to connect two fibers together. When these connectors are used in a
communications system, proper connection becomes a critical factor.
Fiber-optic cable connectors can be damaged by improper cleaning and connection procedures. Dirty or
damaged fiber-optic connectors can result in communication that is not repeatable or is inaccurate.
Fiber-optic connectors differ from electrical or microwave connectors. In a fiber-optic system, light is
transmitted through an extremely small fiber core. Because fiber cores are often 62.5 microns or less in
Catalyst 6840-X Switch Series Hardware Installation Guide
74
Module Connectors and Cable Specifications
Cleaning the Fiber-Optic Connectors
Содержание Catalyst 6816-X-LE
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Страница 32: ...Catalyst 6840 X Switch Series Hardware Installation Guide 20 Product Overview Rear Panel ...
Страница 64: ...Catalyst 6840 X Switch Series Hardware Installation Guide 52 Installing the Switch Online Diagnostics ...
Страница 96: ...Catalyst 6840 X Switch Series Hardware Installation Guide 84 Troubleshooting Finding the Serial Number ...