Rdtu Installation - Toshiba STRATA CTX100 Installation And Maintenance Manual

RDTU Installation

1. Set jumper wire plugs P1 (LB), P2, P3, and P4 to the Off position. See
page 6-10 for loop back testing procedures.
See "SW1 Equalizer Switch and Loop Back Jumpers (Internal Option)" on page 6-2
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
Slot Configuration" on page 1-36
6-1).
Digital
Telephone
Standard
Telephone
RSTU
5439
Figure 6-1
Strata CTX I&M 10/02
for RDTU slot assignment recommendations.) (See
CTX
Processor PCB
Synchronization
Circuit
Time
Switch
Clock
Primary Reference PCB*
PDKU
Synchronization
Circuit
SS 1
Digital Voice
Path
Secondary Reference PCB*
Synchronization
Circuit
SS 2
Digital Voice
Path
Other RDTU, RPTU, or RBSU
Synchronization
Circuit
SS 3
Digital Voice
Path
RDTU Primary/Secondary Reference Block Diagram
"Loop Back Testing" on
"Worksheet 6: Strata CTX670 Cabinet
Public Switched
Line 1
Telephone
Network (PSTN)
PRI, BRI, or T1
AT&T or
Line 2
other provider
PRI, BRI, or T1
Clock synchronized properly
with Stratum-1 Clock Source
Line 3
Other
PRI, BRI, or T1
provider
Clock not synchronized properly
with Stratum-1 Clock Source
T1
Slot Assignments
for the
Figure
Stratum-1
Clock
Source
Other
Clock
Source
6-3