Specifications

Reference Guide 1-9
System Overview Chassis Types
Figure 1-7. Power Supply and Ringer Supports for Power Enhanced Chassis
Table 1-4. Card Slots for Front-Loading Chassis with Enhanced Power Supplies on Top
Type of Card # of Cards Slots Used Notes
CPU 1 or 2 C1, C2 One required in either slot
Server 1 to 3 P1, P2, P3 ADPCM
WAN 1 to 4 W1-W4 One required
Interface 1 IF Required
Alarm 0 to 8 U1-U8 Internal/External, any user slot
E&M Voice 0 to 8 U1-U8 2/4-wire voice, any user slot
FXS Voice 0 to 8 U1-U8 2-wire voice, any user slot
FXO Voice 0 to 8 U1-U8 2-wire voice, any user slot
FXS-C Voice 0 to 8 U1-U8 2-wire voice, coin, any user slot
FXO-C Voice 0 to 8 U1-U8 2-wire voice, coin, any user slot
B7R Data 0 to 8 U1-U8 FDL Mux, any user slot
BRI Data 0 to 8 U1-U8 BRI, any user slot
DS0-DP Data 0 to 8 U1-U8 4-wire data, any user slot
FRAD Data 0 to 8 U1-U8 FRAD, any user slot
HSU Data 0 to 8 U1-U8 High-speed data, any user slot
OCU-DP Data 0 to 8 U1-U8 4-wire data, any user slot
SRU Data 0 to 8 U1-U8 Sub-rate data, any user slot
Main Power (AC/DC) 1 or 2 F1, F2 AC or DC power supplies
Optional Power 0 to 2 NS1-NS2 AC-to-DC converter
Optional Ringer 0 to 2 R1-R2 Ringing generator
Enhanced Power 0 to 2 HP1-HP2 AC-to-DC converter
AC
C
1
C
2
P
1
P
2
P
3
W
1
W
2
W
3
W
4
I
F
U
1
U
2
U
3
U4 U5 U6 U7 U8
RGR-
-V
NA
+V
NA
-V
NB
+V
NB
-V
A
+V
A
-V
B
+V
B
COM -
GND-
C
1
C
2
P
1
P
2
P
3
W
1
W
2
W
3
W
4
I
F
U
1
U
2
U
3
U4 U5 U6 U7 U8
Power Supply and
Ringer Supports