Toshiba Strata DK14 Installation And Maintenance Manual page 276

DK40i/DK424 Universal Slot PCBs
RDTU T1 Interface Unit
Table 7-15 PEMU Controls, Indicators, and Connectors
Control/Indicator/Connector
Tie trunk circuit 1~4 (CD102, 202,
302, and 402)
E&M Tie line connector J101, 201,
301,and 401 (circuit 1~4)
FG jumper P3
GND/BAT jumper P101
GND/BAT jumper P102
GND/BAT jumper P201
GND/BAT jumper P202
GND/BAT jumper P301
GND/BAT jumper P302
GND/BAT jumper P401
GND/BAT jumper P402
2W/4W switch P103, 203, 303,
and 402 (circuit 1~4)
P403
P303
SP1020
-48 Volt
Supply
FG
LEDs
Figure 7-21 PEMU PCB
7-42
Type of Component
Red LED
Modular connector
3-terminal jumper
3-terminal jumper
(Tie line 1)
3-terminal jumper
(Tie line 2)
3-terminal jumper
(Tie line 3)
3-terminal jumper
(Tie line 4)
3-terminal jumper
2W
4W
2W
4W
P203 P103
P401
P402
1 2 3
P3
J401
4 3 2 1
Tie Line 4 Tie Line 3
Lights to indicate that Tie line is in operation.
Interface connector for E&M Tie line circuit.
Enables or disables -48VDC ground to FG.
Enables -3 dB signal level drop for line circuit.
M-lead origination for Tie line (must be in BAT
position per FCC requirements.
Selects 2- or 4-wire configuration for E&M Tie
line circuit.
Backplane Connector
P202 P201
P102
P302 P301
P101
J301 J201 J101
Tie Line 2
Description
Ground/Battery
Jumpers
(Leave In
Factory Positions)
1384
Tie Line 1
Strata DK I&M 5/99