BRFXS/DPO Configuration Settings
9/24/01 9-21

Figure 9-4: BRFXS/DPO Back Plate Controls and LEDs

Table 9-3

BRFXS/DPO Back Plate Switches

Switch Function

Channel Test

(12 per card) Applies reverse battery to

CPE loop and forces A/B bits

sent toward network to 1/1

TP Busy/Idle

(One per card) Selects reverse (busy) or

forward (idle) battery on tip-

ground relays during trunk

processing

Table 9-4

BRFXS/DPO Back Plate LEDs

LED State Condition

OFF Idle state

(forward battery)

Green Incoming call

(reverse battery)

Yellow Call in Progress

(reverse battery)

Red Outgoing line seizure

(forward battery)

All LEDs Yellow AB 1 in trunk processsing

All LEDs Flash Red Unsupported signaling option

selected

Channel 22
Channel 21
Channel 20
Channel 19
Channel 18
Channel 17
Channel 16
Channel 15
Channel 14
Channel 13
Test 20
Test 19
Test 18
Test 17
Test 16
Test 15
Test 14
Test 13
TP Busy/Idle
Option C
Option B
Option A
Test 12
Test 11
Test 10
Test 9
Channel 12
Channel 11
Channel 10
Channel 9
Channel 8
Channel 7
Channel 6
Channel 5
Channel 4
Channel 3
Channel 2
Channel 1
Test 8
Test 7
Test 6
Test 5
Test 4
Test 3
Test 2
Test 1
TP Busy/Idle
Option C
Option B
Option A
Test 24
Test 23
Test 22
Test 21
Channel 24
Channel 23
Channel Test
Switches &
Indicators
Channels 13-16
TP Busy/Idle Switch
Channels 13-24
Channel Test
Switches &
Indicators
Channels 1-4
TP Busy/Idle Switch
Channels 1-12
Channel Test
Switches &
Indicators
Channels 5-8
Channel Test
Switches &
Indicators
Channels 9-12
Channel Test
Switches &
Indicators
Channels 17-20
Channel Test
Switches &
Indicators
Channels 21-24