Additional Notes:
When installing the BreadCrumb, the Squid cable should be secured but hang down. Bending the Squid
cable up may compromise the integrity of the adhesive in the heatshrink allowing liquid to build up and
possibly flow into the cable.
This does not protect against pressure washing.
G.4 BreadCrumb Models Support Only Passive PoE
IMPORTANT
IMPORTANT
This applies to many Rajant BreadCrumb models, not just those listed. Consult your BreadCrumb model
This applies to many Rajant BreadCrumb models, not just those listed. Consult your BreadCrumb model
user guide.
user guide.
Product TIB Notice No.: 2015002
Date: 10/30/2015
Technical Information Bulletin
Product(s) Affected: Rajant BreadCrumb® ME4, LX5, and JR2 models; passive PoE devices
Description: The first ME4 Ethernet port (eth0), both LX5 Ethernet ports (eth0, eth1), and the only
Ethernet port on the JR2 support passive power over Ethernet (passive PoE). Unlike other PoE methods
such as IEEE 802.3af/at, passive PoE does not include any kind of handshaking or voltage checking.
Some Cisco switches support both IEEE 802.3af/at PoE or their own proprietary version. Their default
mode is mamed “auto.” In “auto” mode, the switch will try to automatically detect the type of PoE the
plugged-in device supports. The Cisco switch auto method does not work with passive PoE equipment
including plugging into the data input ports of Rajant PoE devices that are used with the ME4, LX5, and
JR2. The link will not come up or will “flicker” up and down.
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