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10-1
General Installation
10
This section contains general installation information for all optional expansion
modules for Passport 4400 units. For more information on setting up individual
modules for installation, refer to the following sections:
• Chapter 4, Data Modules
• Chapter 5, T1, E1, and Digital Voice Modules
• Chapter 6, Analog Voice Modules
• Chapter 7, Interface Modules (WAN)
Safety Information
Before performing any of the procedures included in this section, refer to the
safety information in Appendix -B.
Module Stacking Order
Before placing any expansion modules into the Passport 4400, the stacking order
must be determined. Table 10-1 shows the proper stacking order for each
expansion module.
Notes: •
Voice modules (AVM, UAVM, DVEM, TVM, EVM) are
always logically referred to as LIMs B, C, D, E.
•
Data modules (HDM, LEM, LDM) are always logically
referred to as LIMs 1, 2, 3, 4
Using the table, determine them stacking order for your Passport 4400
expansion modules. For instance, a Passport 4400 unit with a T1 Voice Module
Caution:
!
Modules cannot be inserted into or removed from the unit while
the Passport 4400 unit is operating. This could cause damage to
the unit or interruption of network service or both.
Caution:
!
Do not connect external cables until module installation is
complete.
Warning:
!
When working inside the unit, be sure to take all precautions
against electrostatic discharge.