100Base-Fx Ports; Poe Expansion Module Ports (Iem-3000-4Pc And Iem-3000-4Pc-4Tc Only - Cisco IE 3000 Hardware Installation Manual
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Appendix C
Cable and Connectors
100BASE-FX Ports
The 100BASE-FX ports use MT-RJ connectors. See
62.5/125-micron multimode fiber-optic cabling.
Figure C-3
Warning
Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into
beams or view directly with optical instruments.
PoE Expansion Module Ports (IEM-3000-4PC and IEM-3000-4PC-4TC Only)
This section applies only to the Cisco IEM-3000-4PC and the Cisco IEM-3000-4PC-4TC PoE expansion
modules only.
Voltages that present a shock hazard may exist on Power over Ethernet (PoE) circuits if
Warning
interconnections are made using uninsulated exposed metal contacts, conductors, or terminals.
Avoid using such interconnection methods, unless the exposed metal parts are located within a
restricted access location and users and service people who are authorized within the restricted
access location are made aware of the hazard. A restricted access area can be accessed only
through the use of a special tool, lock and key or other means of security. Statement 1072
•
•
•
•
Fiber-Optic SFP Module LC Connector
Each of the four PoE ports on the IEM-3000-4PC or the IEM-3000-4PC-4TC deliver up to 15.4 W
of PoE.
Two ports on each PoE expansion module can also be configured as PoE+ ports (up to 30 W of PoE)
for non-office/computer room environments (IEC 60950). The remainder of the ports are non-PoE.
On a per-port basis, you can control whether or not a PoE port automatically provides power when
an IP phone or a powered device is connected. The device manager, Network Assistant, and the CLI
provide PoE settings for each PoE port:
–
Auto: When you select the Auto setting, the port provides power only if a valid powered device,
such as an IEEE 802.3af-compliant powered device is connected. The Auto setting is the
default.
Never: When you select the Never setting, the port does not provide power even if a powered
–
device is connected.
You also can connect a powered device to the PoE expansion module port and to an external power
source for redundant power. The powered device might switch to the AC power source as its primary
power source upon being connected to it. In that case, the PoE port becomes the backup power
source for the powered device. If the primary source fails, the second power source becomes the
primary power source to the powered device. During the power transfer, the powered device might
reboot or reestablish link with the switch.
Figure
C-3. The 100BASE-FX ports use 50/125- or
Cisco IE 3000 Switch Hardware Installation Guide
Connector Specifications
C-3
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