Cabletron Systems FOMIM-32 Manual De Usuario
Chapter 2:
Network Requirements and Installation
2-2
FOMIM User’s Guide
Propagation delay is the amount of time it takes a packet to travel from
the sending device to the receiving device. Total propagation delay
allowed for the entire network is 25.6
the sending device to the receiving device. Total propagation delay
allowed for the entire network is 25.6
µ
s. If the total propagation delay
between any two nodes on the network exceeds 25.6
µ
s, then bridges
should be used.
•
When using single mode fiber optic cable, segment lengths up to 5 km
are possible if system budgets are met.
are possible if system budgets are met.
2.2
UNPACKING THE FOMIM
Unpack the module as follows:
1. Remove the shipping material covering the FOMIM in the shipping
box.
2. Verify the contents of the shipping box. The box, as packed should
contain one FOMIM, one grounding strap, and one user’s guide.
3. Carefully remove the FOMIM from the shipping box. Leave the
module in its conductive bag until you are ready to install it. Save the
shipping box and materials in the event the unit has to be reshipped.
shipping box and materials in the event the unit has to be reshipped.
4. Visually inspect the module within the nonconductive bag. If you see
any damage, contact Cabletron Systems Technical Support
immediately.
immediately.
!
C AUT IO N
The module is very sensitive to static discharge. Observe all
electrostatic precautions while handling the FOMIM.
electrostatic precautions while handling the FOMIM.