Specifications

Hardware Description of Coprocessor
4.6 Media Access Unit Replacement Procedure
3/96 Application Module
X
Service 45
Honeywell Inc.
4.6 Media Access Unit Replacement Procedure
Overview The replacement of the MAU is a simple procedure. It does not require
powering off the A
X
M nor any special actions on the PIN (network).
CAUTION
Replacing the MAU with power on in the A
X
M node does
require that proper care must be exercised to prevent the
cable ends from touching any possible grounded or
electrically charged object.
Table 4-5 Procedures for Replacement of MAU
Step Action
1 Gain access to the MAU and its connected cables.
2 Remove the LAN (ethernet) cable connection to MAU
first.
3 Remove the A
X
M interface cable from the MAU. (The
opposite end of this cable connects to the WSI2 I/O
board J6.)
4 Connect the A
X
M interface cable to the replacement
MAU.
5 Connect the LAN (ethernet) cable to the MAU.