Specifications

Reference Guide 1-5
System Overview Chassis Types
Figure 1-3. Two-Sided Chassis Front View
Figure 1-4 shows the rear of the two-sided chassis, which is the CPE side. 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 1-3 lists the card slots for these chassis; use that table to determine
your chassis card configuration.
Figure 1-4. Two-Sided Chassis Rear View
C1 C2 P1 P2 P3 W1 W2 W3 W4
F1 F2
1
2
3
EUR/US
JP1
R1 R2 R3 R4 R5
IF U2U1 U3 U4 U5 U6 U7 U8
AC
R
G
R
+++-- -C
O
M
V
N
V
B
V
A