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Strata CTX Configuration
CTX670 Cabinet Slots
2-8 Strata CTX I&M 06/04
CTX670 Cabinet Slots
Base Cabinet
The Base Cabinet has two dedicated slots used for the system processor PCBs and eight universal
slots, labeled “S101~S108,” that can accommodate station, CO line or option PCBs (see Figure
2-3). It also houses a power supply.
Figure 2-3 Strata CTX670 Base Cabinet Interior
Expansion Cabinets
One to six Expansion Cabinets can be added to increase the system station and CO line capacity.
Each expansion cabinet provides 10 slots (S_01~S_10). Figure 2-4 shows an Expansion Cabinet.
Refer to the following section for cabinet slot and station/line capacities. Tables 2-4 and 2-5 show
the number of stations and CO lines allowed when additional cabinets and PCBs are used.
POW
+5V
-5V
P.F .
RESET
EXP
BASE
AC IN
BATT
DC OUT
-24V1
-24V2
-24V3
-24V4
+
-
POWER
ON
OFF
FG
5002
B101 B102 S101 S102 S103 S104 S105 S106 S107 S108
6965
B101 B102 S101 S102 S103
S104 S105 S106 S107
S108
BEXU
BCTU
S_01 S_02 S_03 S_04 S_05 S_06 S_07 S_08 S_09 S_10
5003
CABINET NO.
2
S_01 S_02 S_03 S_04 S_05
S_06 S_07 S_08 S_09 S_10
34567
POW
+5V
-5V
P. F.
RESET
EXP
BASE
AC IN
AC IN
DC OUT
-27V1
-27V2
-27V3
-27V4
+
-
POWER
ON
OFF
FG
5002
POW
+5V
-5V
P. F.
RESET
EXP
BASE
AC IN
BATT
DC OUT
-27V1
-27V2
-27V3
-27V4
+
-
POWER
ON
OFF
FG
5002
Figure 2-4 Strata CTX670 Expansion Cabinet Interior