PRICING AND AVAILABILITY 800.827.0807
TECH SUPPORT 800.726.8663
RETURN FOR REPAIR 256.963.8722
www.adtran.com
61181501L2-22C
Warranty: ADTRAN will replace or repair this product within the warranty period if it does not meet its published specifications or fails while in service.
Warranty information can be found online at www.adtran.com/warranty.
3192 4-Pair Line Power Unit

3192 LPU EDGE CONNECTOR WIRING

NOTE: Connect only those output pairs required to meet power requirements of the Total Access 1124
DSLAM based on the transmission distance.
1
2
3
4
5
6
7
8
9
10
A
B
C
D
E
F
H
J
K
L
-48V Return
Pair 1 Ring
-48V
Pair 2 Ring
Fuse Alarm (to Alarm Module)
Pair 1 Tip
Frame Ground
Pair 2 Tip
Left Slot
-48V Return
Pair 5 Ring
-48V
Pair 6 Ring
Pair 5 Tip
Frame Ground
Pair 6 Tip
Right Slot
1
2
3
4
5
6
7
8
9
10
A
B
C
D
E
F
H
J
K
L

COMPLIANCE

WARNING: Risk of electric shock. Max voltages of ±145 VDC with respect to ground, and 290 VDC
across the loops may be present on telecommunications wiring. Ensure chassis ground
is properly connected.
This product is intended for installation in restricted access locations only and in equipment with a type
“B” or “E” enclosure.
This product provides span powering voltage (±145 VDC nominal, GFI protection < 0.005 amps). This
product is NRTL Listed to the applicable UL standards.

MAINTENANCE

The LPU does not require maintenance for normal operation. ADTRAN does not recommend that
repairs be attempted in the field. Repair services are obtained by returning the defective unit to
ADTRAN. Refer to Warranty section for further information.

SPECIFICATIONS

The following table lists the LPU specifications:
Code Input Output
Power Code F C
Telecommunication Code (TC) – X
Installation Code (IC) A –
Specification Description
Physical
Dimensions: Height: 4.75 inches
Width: 1.375 inches
Depth: 10.0 inches
Weight: 11 ounces
Environmental
Max operating temperature: –40°C to +70°C
Max storage temperature: –40°C to +85°C
Relative humidity: 95% non condensing
Electrical
Input power: 100 watts max
Operating voltage: –42 to –56 VDC
Output voltage: ±145 VDC per T/R pair (290 VDC total)
Maximum output current: Rated: 0.345 amps
Maximum: 0.4 amps (total across all output pairs)