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JDSU LB255 Phone Test Set Ranger DSL-Safe


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JDSU LB255 Phone Test Set Ranger DSL-Safe
 
Quantity:

Model Number:
LB255


LB255

Manufacturer:
JDSU - see more products

Catalog #: 29606

 
Call for educational and government discount (602) 795 - 4033

Datasheet:   JDSU-LB255
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JDSU LB255 Phone Test Set Ranger DSL-Safe Description:

JDSU LB255 Ranger DSL-Safe Phone Test Set is the most powerful phone test set and phone line tester or phone butt set JDSU builds, it incorporates a built-in amplified speaker, as well as new, advanced features unavailable on any other test set in the market. Formerly Test-Um model LB255. Product Discontinued. Replaced by TM-500T.
JDSU LB255 Phone Test Set Ranger DSL-Safe Characteristics:
 
New generation phone test set, compact size (7.5" length), lightweight (less than 10 oz.), and hands free use, the LB255Ranger DSL-Safe Phone Test Set is small enough to wear on a belt or even carry in your shirt pocket.
 
The most powerful test set Test-Um builds, it incorporates a built-in amplified speaker, as well as new, advanced features unavailable on any other test set in the market
JDSU LB255 Phone Test Set Ranger DSL-Safe Features:
 
DigiView™ DTMF Decodethat allows you to see the digits as a dial-out is in progress and capture those digits.
 
ADLI™ Auto Dial Line Identification - Inbound and outbound line identification with caller ID testing.
 
Trafixguard™ Senses digital lines and identifies under- and over-voltage conditions. Totally DSL safe!
 
Insta-Talk™ Amplified Speaker with simultaneous intercom capability for talking while testing.
 
Amplified Speaker with three volume levels.
 
Enhanced Memory Dialing - alpha and numeric capability.
 
Eight Number Memory.
 
Tone and Pulse Dialing.
 
Microphone Mute
 
Last Number Redial - 24 Digits
 
Electronic Ringer.
 
Amplified Line Monitor for volume levels comparable to "off hook" operation.
 
Modular cord set attachment.
 
Headset for hands-free use.
 
Auto power off eliminates dead batteries.
JDSU LB255 Phone Test Set Ranger DSL-Safe Features:
LCD Display shows: 

 
On-hook voltage
 
Number dialed
 
Off-hook current
 
Set-up information
 
Stored numbers
 
Battery condition
 
Continuous polarity indication
 
Caller ID
 
Call waiting / Caller ID
 
Caller ID errors
Measurement Features 

Current: 
10 to 140 mA ±5%
Voltage: 
0 to 128 VDC ±5%
Electrical Features 

Apparent Line Resistance: 
275 ohms at 20mA
Battery current consumption: 
(typical)
Battery life: 
30-50 hours typical
BELL (timed out): 
-- 15µA
Line current range: 
15 to 120 mA
MON: 
-- 25mA
Monitor Mode Impedance: 
>130 Kohms
Return loss: 
14db @ 600 ohms
TALK: 
-- CWDID off: 2mA; CWCID on: 12mA
JDSU LB255 Phone Test Set Ranger DSL-Safe Specifications:
DTMF Output 

High vs. low difference: 
2dB ±1dB
Low Group: 
-8dBm ±2dB
Tone Frequency error: 
±1.5%
Tone Level - High Group: 
-6dBm ±2dB
Environmental Factors 

Storage: 
-20 to 60°C
Temperature - Operating: 
0 to 50°C
Memory Dialing 

Flash Duration: 
600 mSec ±50mSec
Memory Capacity: 
19 digits
Memory Retention with Battery: 
>2 years
Pause Duration - Tone: 
3.0 sec; Pulse: 3.4 sec
Type: 
3.0 sec; Pulse: 3.4 sec
Pulse Dialing 

Interdigit Interval: 
820 mSec
Make/Break Ratio: 
60/40% ±2%
Pulse Rate: 
10 pps ±10%
Resistance in break: 
120 Kohms
JDSU LB255 Phone Test Set Ranger DSL-Safe Specifications:
Height: 
1.68 in (4.3 cm)
Length (without lanyard): 
7.25 in (18.4 cm)
Weight (with coard set): 
<10 ozs. (284 gms)
Width: 
2.50 in (6.4 cm)



Need Technical Advise? Please Call: 602-795-4033


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