Datasheet:  JDSU-LB255 |
 |
| 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.
|
| 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
Browse Similar Products |
Testers and Tools 
