* This lightweight, easy-to-use test instrument simplifies the installation and maintenance tasks. The MR-2000T DS1 tester provides quick and easy diagnosis of DS1-based networks. It supports alarm generation and detection, error monitoring and DS1 bit error rate testing (BERT).
Key Benefits
* Telcos
* Cellular and Paging Companies
* Internet Service Providers
Features:
* Complete T1/Fractional T1 Tester.
* Fully independent DS0 transmit and receive functionality.
* Automatically Sync. and generate up to 32 industrial standard test patterns.
* Performs Bit Error Rate Stress Testing (BERT) patterns.
* Generates and detects in-band loop codes from 3 to 8 bits in length including CSU loop codes.
* Supports the V.54 point-to-point loop specifications.
* Supports D4, ESF and SLC-96 formats.
* Measures T1 level and frequencies.
* Displays standard T1 alarms, performance parameters and line coding.
* Capable of ignoring or enabling individual alarm at your choice.
* Handheld and battery powered (10 hours of operation between charges).
* The user-friendly Auto and Help keys make the test simple.
Operating Specifications:
Transmit
* Output Frequency: 154000b/s +/- 25ppm (0 to 70°C)
* T1 Framed (D4, ESF, SLC-96)
* Fractional T1: Nx64K b/s (N=1 4o 24; Contiguous or Non-contiguous Selections)
* Signaling Bits Transmit/Receive
* Loopback: CSU, T1 Line Loopback, Idle Channels Line Loopback, V.54 and User Defined Loop Code (3 to 8 Bits)
* IDLE Code Selections: 7E, 7F, FF.
* Line Build Out (DSX-1): 0-133ft, 133-266ft, 266-399ft, 399-533ft, 533-655f.
* Line Build Out (DS1): 0dB, -7.5dB, -15dB or -22.5dB.
* Line Codes: AMI and B8ZS
Receive
* Input Frequency: 1544000 b/s +/- 50ppm
* Sensitivity: 0 to -36 dB (up to 6000ft.)
* Input impedance:
TERM: 100 ohms nominal
DSX: 100 ohms nominal
BRIDGE: 1000 ohms nominal
Performance Monitoring Functions:
* Bit Error Count, Erred Second, Bit Error Rate (BER).
* BPV Error Count, Erred Second, Bit Error Rate (BER).
* FRAME Error Count, Erred Second
* CRC-6 Error Count, Erred Second
Connectors:
* T1 Input: Bantam Jack
* RJ-45 modular Jack
* Power: DC Power Jack
Physical:
* Size: 7.5"L x 4"W x 1"H
* Weight: 1lbs
* Display: 4 lines by 16 characters LCD
* Keypad: 16 positions
Power:
* Batteries: 4 AA Nickel-Metal Hydride rechargeable batteries
* Battery Life: 10 hours
* Recharge Time: 8 hours (unit can be in use while charging).
* AC Operation: External AC adapter/charger 100-240VAC, 50-60Hz).
Environment:
* Operating Temperature: 0°C to 50°C
* Storage Temperature: -20°C to 60°C
* Humidity: 5% to 90% no condensing.
Equipment Supplied:
Each MR-2000T T1 Tester includes the following:
* User manual
* AC line charger
* Two 6 feet Bantam cables
* A belt attachable pouch
* Internal 4 AA Nickel-Metal Hydride Batteries.

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