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Connecting Category-5
Shielded Cable
Connecting Fiber
n
n
Table 72 AUX cable pinouts
RJ-45
Signal
8
CTS
Connecting AUX cable
Step 1: Plug the RJ-45 connector of the AUX cable into the AUX port of the
switch.
Step 2: Plug the DB-25 (male) or DB-9 (male) connector at the other end into the
serial port of the analog modem.
Introduction to RJ-45 connector
Being RJ-45 connector, the 10Base-T/100Base-TX port of the Switch 8800 Family
supports MDI/MDIX auto-sensing and will be connected using the category-5
shielded cable. The following figure illustrates an RJ-45 connector.
Figure 50 RJ45 connector
PIN #8
PIN #1
Connecting category-5 shielded cable
Step 1: Plug one end of the network cable into the desired Ethernet RJ-45
connector on the switch.
Step 2: Plug the other end of the cable into the RJ-45 port of the peer device.
All the megabit and gigabit optical modules available for the Switch 8800 Family
are SFP modules that provide LC user ports.
Introduction to fiber connector
When selecting a fiber network facility, make sure that the type of the
■
connector and the fiber match the adopted optical port.
Before connecting the fiber, make sure that the receive-end optical power does
■
not exceed the upper threshold of the receiving optical power. Excessive
receiving optical power is very likely to burn the optical module.
Fiber connectors are indispensable passive components in an optical fiber
communication system. Their application allows the removable connection
between optical channels, which makes the optical system debugging and
maintenance more convenient and the transit dispatching of the system more
flexible. Among various fiber connectors, only LC connector will be introduced
here.
LC fiber connector
■
Connecting Interface Cables
Direction
DB-25
←
5
69
DB-9
8
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