Vivotek 9189 Series User Manual page 10

VIVOTEK
An example of the "-M" model (Manual Focus) is shown here. For models that come with
motorized lens, you do not need to manually adjust zoom and focus.
Zoom & Focus
pullers
IMPORTANT:
Many copper coated aluminum (CCA) and other non-standard conductors cabling products
are masqueraded as CAT5E or CAT6 cables. Please avoid using these CCA products
especially when cascading PoE cameras. It is a must to use Ethernet cables compliant
with the 3P/ETL standard.
10 - User's Manual