Specifications

1-4
Reference Guide
Model No.
Running Head
Chassis Types System Overview
1.2.2 Two-Sided Chassis (891830)
Figure 1-2 shows the front of a two-sided chassis. This chassis accepts cards from both the
front and rear. It is made of steel and has punched-steel card guides.
The front of the two-sided chassis holds up to two CPU cards (slots C1 to C2), up to three
server cards (slots P1 to P3), and up to four WAN cards (slots W1 to W4). The power supplies
occupy slots F1 and F2.
Figure 1-2. Two-Sided Chassis Front View (891830)
Figure 1-3 shows the rear of the two-sided chassis. The eight user slots (U1 to U8)
accommodate a variety of user cards, and the interface slot (IF) is used by the Interface card.
Slots R1 to R5 accommodate the optional AC-to-DC power converters and ringing generators.
Table 1-2 lists the card slots for these chassis; use that table to determine your chassis card
configuration.
C1 C2 P1 P2 P3 W1 W2 W3 W4
F1 F2
C1 C2 P1 P2 P3 W1 W2 W3 W4