T1
Installation Guidelines
6-4 Strata CTX I&M 10/02
Figure 6-2 RDTU Printed Circuit Board
Installation Guidelines
1. Read “Channelization” on page 6-1 before proceeding to Step 2.
2. Run RDTU T1 related system programs as described in “Applications” on page 6-5.
3. Set P1 and P2, loop back jumper to the On position for RDTU self test (see “RDTU Self Test”
on page 6-10).
4. Install the RDTU PCB per instructions page 6-3.
Note Ensure the RDTU’s component side is facing right when installing it in the cabinet.
5. Run the RDTU self check per “Network/CSU T1 Span Test” on page 6-10. After self check
passes, put P1 and P2 to the Off position for normal operation and insert the RDTU PCB back
into the appropriate slot.
Table 6-1 RDTU Controls, Indicators, and Connectors
Control/Indicator/Connector Type of Component Description
SW1 Equalizer Setting Switch 8 2-position slide switches
Sets line length between RDTU and CSUs or
other T1 (max 655 ft.).
P3 (not used) 3-terminal jumper plug This jumper plug is reserved for future use.
P4 Remote Loop Remote Mode
jumper plug
3-terminal jumper plug
Sets RDTU for Remote Loop Back mode test
procedure.
P1 and P2 Loop Back jumper plug 3-terminal jumper plug
Sets RDTU for self check or Network/CSU loop
back check.
4389
SD
RDER
SYCF
SYCF
SYCS
RST
CD1
CD2
CD3
CD4
CD5
ROMS1A
Female
Amphenol
Connector
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