User manual
Making Network Connections
25
NXA-ENET24 Hardware Installation Guide
Network Wiring Connections
Today, the punch-down block is an integral part of many newer equipment racks. It is actually part of the
patch panel. Instructions for making connections in the wiring closet with this type of equipment follow.
1. Attach one end of a patch cable to an available port on the switch, and the other end to the patch
panel.
2. If not already in place, attach one end of a cable segment to the back of the patch panel where the
punch-down block is located, and the other end to a modular wall outlet.
3. Label the cables to simplify future troubleshooting.
Fiber Optic Devices
An optional slide-in 1000BASE-SX, 1000BASE-LX, or 1000BASE-LH SFP transceiver may be used for
backbone or remote connections, or for connecting to a high-speed server.
Each single-mode fiber optic port requires 9/125 micron single-mode fiber optic cabling with an LC
connector at both ends. Each multimode fiber optic port requires 50/125 or 62.5/125 micron multimode
fiber optic cabling with an LC connector at both ends.
1. Remove and keep any protective port covers. When not connected to a fiber cable, the cover should
be replaced to protect the optics.
2. Check that the fiber terminators are clean. You can clean the cable plugs by wiping them gently with
a clean tissue or cotton ball moistened with a little ethanol. Dirty fiber terminators on fiber optic
cables will impair the quality of the light transmitted through the cable and lead to degraded
performance on the port.
FIG. 22 Network Wiring Connections
Equipment Rack
(side view)
Switch
Patch Panel
Punch-Down Block
Wall
12
3
4
56
7
8910
11 12
13
14
15 16
17
18 19 20
21 22
23
24
26
Link/Act
PoE
25
26
PWR
Diag
Stacking
Mode
PoE/Link
Console
25
Master
Slave
1
2
11
12
13
14
23
24
StackUnit ID
This switch uses lasers to transmit signals over fiber optic cable. The lasers are
compliant with the requirements of a Class 1 Laser Product and are inherently eye
safe in normal operation. However, you should never look directly at a transmit port
when it is powered on.