Toshiba Strata DK 280 Installation Manual page 163

Digital business telephone system
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Table
4-23
RDTU
Controls,
indicators,
and Interface
Connectors
Control/Connector
SW1 Equalizer Setting Switch
P3 (Not Used)
Type of Component
Description*
Eight two-position
Sets line length between RDTU and Channel
slide switches
Service Units or other Ti (max 65.5 ft).
3-terminai jumper plug
This jumper plug is reserved for
future use.
P4 Remote Loop Remote Mode
3-terminal jumper plug
Sets RDTU for Remote Loop Back
Jumper Plug
mode test procedure.
Pi and P2 Loop back
3-terminal jumper plug
Sets RDTU for self check or
Jumper Plug
NetworkKSU
loop back check.
*See Tl section for more information about RDTU switches, jumper options, and indicators.
DK0285
REMOTE
LOOP
BACK
MODE
SWITCH
NOTUSED
-
BACKPLANE
CONNECTOR
I
I
EQUALIZER
-
SETTING
SWITCH
1
FFLON
%LON
Pl
OFF
01
P3 LLB
P4 RLB
STATUS
m
INDICATORS
SW1
OFFgO,
I
LB
LOOP
BACK
I
LAMPHENOL
CONNECTOR
FEMALE
Figure
4-30
RDTU
Controls,
Indicators,
and Interface
Connectors
January
1996
4-47

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