T1
Slot Assignments
Strata CTX I&M 10/02
6-3
T1
RDTU Installation
1. Set jumper wire plugs P1 (LB), P2, P3, and P4 to the Off position. See
“Loop Back Testing” on
page 6-10
for loop back testing procedures.
See
“SW1 Equalizer Switch and Loop Back Jumpers (Internal Option)” on page 6-2
for the
appropriate SW1 equalizer switch setting.
2. Insert the RDTU (component side facing right) into the appropriate slot and apply firm, even
pressure to ensure proper mating of connectors. (See
“Worksheet 6: Strata CTX670 Cabinet
Slot Configuration” on page 1-36
for RDTU slot assignment recommendations.) (See
Figure
6-1
).
5439
PDKU
Primary Reference PCB*
Secondary Reference PCB*
Other RDTU, RPTU, or RBSU
CTX
Digital T
ransmission V
oice
P
ath
Synchronization
Circuit
Synchronization
Circuit
Synchronization
Circuit
Digital Voice
Path
Digital Voice
Path
Digital Voice
Path
CTX
Digital
Telephone
Standard
Telephone
SS1
SS2
SS3
Line 1
Line 2
Line 3
Public Switched
Telephone
Network (PSTN)
PRI, BRI, or T1
AT&T or
other provider
PRI, BRI, or T1
Other
PRI, BRI, or T1
provider
Stratum-1
Clock
Source
Processor PCB
Clock not synchronized properly
with Stratum-1 Clock Source
Time
Switch
Clock
Synchronization
Circuit
Clock synchronized properly
with Stratum-1 Clock Source
Other
Clock
Source
RSTU
Figure 6-1
RDTU Primary/Secondary Reference Block Diagram
Summary of Contents for Strata CTX100
Page 16: ...Introduction Related Documents Media xii Strata CTX I M 10 02 ...
Page 94: ...Strata CTX100 Installation Installing the CTX100 Cabinet 2 24 Strata CTX I M 10 02 ...
Page 150: ...Strata CTX670 Installation Remote Expansion Cabinet Unit 3 56 Strata CTX I M 10 02 ...
Page 188: ...PCB Installation Network Requirements 4 38 Strata CTX I M 10 02 ...
Page 238: ...T1 Loop Back Testing 6 12 Strata CTX I M 10 02 ...
Page 310: ...Station Apparatus 2000 series Telephones 8 48 Strata CTX I M 10 02 ...
Page 342: ...Peripheral Installation Station Message Detail Recording SMDR 9 32 Strata CTX I M 10 02 ...