User's Manual
Chapter 2 Introducing the BCM hardware 69
BCM200/400 4.0 Installation and Maintenance Guide
Figure 44 Cooling fan
Field replaceable units (FRU)
Use Table 12 to Table 17 as a reference when you need to order, replace, or install component
hardware. The tables provide references to the component description and installation procedures.
Note: The product engineering code can change over time; consult the catalog for
the latest information.
Table 12 Card field replaceable units
Component description FRU description Installation procedure
Modem card “Modem card” on page 48 “To install a modem card” on page
309
Media services card “Media services card (MSC)” on page
41
“To install the media services card
(MSC)” on page 306
Media services PEC III “MSC IP call processing hardware”
on page 43
“To install a PEC” on page 315
WAN interface card with CSU/V.35
(North America only)
“WAN interface card” on page 46 “Installing the WAN card” on page
302
Dual V.35 WAN interface card “WAN interface card” on page 46 “Installing the WAN card” on page
302
WAN interface card with CSU/V.35/
X.21 (International only)
“WAN interface card” on page 46 “Installing the WAN card” on page
302
256MB memory module “Main card” on page 43 “To install a DIMM card” on page 318
I/O card fan
connector
Mount holes