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6-20
INSTALLATION-PCB
SECTION 400-096-206
SEPTEMBER 1992
lowing steps:
1) Remove the PCB from its protective packag-
ing.
2) Determine if the E & M TIE lines will be
configured for 2- or 4-wire transmission. Set
2W/4W switches P103, P203, P303, and P403
to the appropriate positions.
3) Set the FG jumper P3 to the 2-3 position.
4) Set all GND/BAT jumpers to the BAT position
for connection to the telephone network.
NOTE:
The GND position is used to connect PEMU
circuits back-to-back on premises only, 1000
feet maximum (E & M lead wires must be
crossed).
5) Insert the PEMU into the appropriate slot
(refer to Paragraph 2.20), and apply firm,
even pressure to ensure proper mating of
connectors.
6) After installing the PEMU, gently pull it out-
ward. If the connectors are properly mated, a
slight resistance will be felt.
9.30 PEMU Wiring
9.31 In Section 400-096-209, refer to the PEMU
(2W or 4W) wiring diagram for wiring/interconnect-
ing details and to the secondary protector diagram
for secondary protector information.
9.40 PEMU Programming Overview
FIGURE 6-10
PEMU CONTROLS AND INDICATORS
GROUND/
BATTERY
JUMPERS
(LEAVE IN
FACTORY
POSITIONS)
GROUND/
BATTERY
JUMPERS
(LEAVE IN
FACTORY
POSITIONS)
BACKPLANE CONNECTOR
SP1020
-48 VOLT
SUPPLY
TIE LINE 1
TIE LINE 4
LED'S
2W
4W
2W
4W
2W
4W
1 2 3 4
1 2 3
2W
4W
J101
J201
J301
J401
FG
P103
P203
P303
P403
TIE LINE 3
TIE LINE 2
P3
P402
P401
P301 P302
P201 P202
P101
P102
Содержание Strata DK 24
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