Data Transmission Testing ADS-1DF

ADS-1DF Datacom Tester is applicable to the project construction, project checking & accepting and daily maintenance & testing in the data transmission system. The performance of this tester is reliable & stable, and its function is completed and its volume is small. And it is also with large screen, English menu and easy operation.

ADS-1DF Datacom Tester conduct testing for the following: 2Mbit/s interface data channel, V.24、V.35、V.36、X.21、RS-449、RS-485、EIA-530、EIA-530A, the same direction 64kbit/s interface digital channel, and four-wire romote FSK stimulated channel. It has been widely used in the access network, transmission network, numeric data network and etc.

Major Features

LCD large-screen display,320*240 lattice, backlight, LED indicator

Hand held, auto configuration

Multi-task operation at one time

Store 20 test results and 9 test configurations, with power-off memories

PC operation, store, analysis, print

Programmable timer

Alarm and histogram analysis

Software updating

Major Functions

For 2Mbit/s:

Service-interrupted error testing

Online error testing

Framed and unframed signals generation and reception

2Mbit/s unframed error performance testing

2Mbit/s framed N×64kbit/s channel error testing

Bit error, coding error, frame error, CRC error and E bit error testing

Signal loss alarm, AIS alarm, framed remote alarm, multi-framed remote alarm, out-of-frame, and pattern loss alarm

Frequency offset testing

Line signal level and frequency testing

Voice channel signal level and frequency testing

Pattern slip testing

Straightforward signaling

Audio frequency testing

Loop circuit delay testing

Automatic protection switching time testing (APS)

Sound monitoring

Signal state display. Voice channel content display. Voice channel busy indication

Alarm and error histogram analysis

Time slot content analysis, drop and insert signal on each time slot

Framed content analysis

G. 821/G. 826/M. 2100 error analysis

Multi error and alarm inserting

Three input modes (terminating, bridging and monitoring)

Two clock options (internal and picking-up)

For Datacom:

V.24/RS232/V.28, V.35, V.36, X.21, RS-449, RS-485, RS422, EIA-530, EIA-530A datacom testing

SYNCH and ASYNCH testing

DTE and DCE emulation

Bit code testing

Pattern slip testing

Signal loss alarm

Line signal level and frequency testing

Loop delay testing

Automatic protection switching time testing(APS)

G.821, M2100 service interrupt error testing

For co-directional 64Kbit/s:

Service interrupt error testing

Bit code testing

Pattern slip testing

Signal loss, AIS alarm

Line signal frequency testing

Loop delay testing

Automatic protection switching time testing(APS)

G.821, M.2100 error testing

For electrical power romote FSK:

two/four-wire testing

off-line error testing

bit error testing

pattern slip testing

signal loss alarm testing

line signal frequency testing

G.821、M.2100 error testing

Technical Index

2Mbit/s Technical Index

(1)Signal input rate: 2048kbit/s ± 100ppm (G.703 requirement±50PPM)

(2)Signal code: HDB3, AMI.

(3)Input jitter tolerance: Up to the requirement of Figure 10.1.

(4)Input balance response: attenuation complies with the law of square root of frequency, and is within the range of 0 to 6dB at 1024 kHz.

(5)Input Impedance

(5.1)Unbalance terminating: 75W

Balance terminating: 120W

Reflection loss >18dB within 50Hz~3100kHz

(5.2)Unbalance bridging: >750W

Balance bridging: >1200W

(5.3)Unbalance monitoring: 75W, 26dB gain

Balance monitoring: 120W, 26dB gain

Reflection loss >18dB within 50Hz~3100kHz

(6)Signal structure

(6.1)Unframed structure

(6.2)Framed structure: PCM30, PCM31, PCM30CRC, PCM31CRC

Framed structure complies with the requirement of G. 704

(7)Testing pattern: 2⁶-1, 2⁹-1, 2¹¹-1, 2¹⁵-1, 2²⁰-1, 2²³-1, and artificial code

(8)Impedance of output interface:

(8.1)Unbalance 75W, up to G. 703

(8.2)Balance 120W, up to G. 703

(9)External clock input

(9.1)Signal form: HDB3, NRZ

(9.2)Balance terminating resistance: 120W

Unbalance terminating resistance: 75W

Balance bridging resistance: >1200W

Unbalance bridging resistance: >750W

(10)Error code insertion: None, single, or ratio 10-1~10-7.

Co-directional 64k Technical Index

(1)Signal input rate: 64kbit/s ± 100ppm(G.703 requirement±100PPM)

(2)Input impedance: Balance 120W, up to G.703

(3)Input jitter tolerance: Up to G.823.

(4)Impedance of output interface: Balance 120W, up to G.703

(5)Testing pattern: 2⁶-1, 2⁹-1, 2¹¹-1, 2¹⁵-1, 2²⁰-1, 2²³-1, and artificial code

Datacom Index

(1)Data interface type: V.24, V.35, V.36, X.21, RS-449, RS-485, EIA-530 and EIA-530A.

(2)Generator

(2.1)SYNCH mode

Clock source: Internal or external clock

Phase relation between clock and data: co-direction or reverse direction.

Rate: 1.2, 2.4, 4.8, 9.6, 14.4, 19.2, 38.4, 48, 56(kbps), N×64kbps (N=1~32)

Error15ppm (ppm: parts per million)

(2.2)ASYNCH mode

Rate: 50,75,110,150,200,300,600,1200,2400,3600,4800,7200,9600; 14.4k,19.2k,38.4k,57.6k(bps)

Data structure: Word length: 5, 6, 7, 8(bits) Stop bit: 1, 2(bits)

Odd-even check: odd, even, 1, 0, none

(2.3)Error code insertion: None, single, or ratio 10-1~10-7.

(3)Receiver

(3.1)SYNCH mode

Clock source: Internal or external clock

Phase relation between receive clock and receive data: Equidirection or reverse direction.

Clock Rate: 2048kbps at a maximum

(3.2)ASYNCH mode

The rate and data are the same as those of the generator.

(4)Testing pattern: 2⁶-1, 2⁹-1, 2¹¹-1, 2¹⁵-1, 2²⁰-1, 2²³-1, and artificial code

Four-wire remote FSK technology index

(1) working mode： 4-wire transparency mode and full duplex

(2) adapting mode：FSK（frequency shift keying）

(3) transmission mode：synch, asynch

(4) loop impedance：600, balance

(5) data speed rate：300b/s、600b/s、1200b/s

(6) centeral frequency：1320、1500、1700、1800、2760、2880、3000Hz

(7) modulated frequency deviation：±150、±200、±240、±400、±500、±600 Hz

(8) testing pattern：2⁶-1、2⁹-1、2¹¹-1、2¹⁵-1、2²⁰-1、2²³-1、artificial code

(9) pattern polarity：ITU-T normal、ITU-T inverse

(10) Transmitting clock：inner production

(11) receiving clock：port extraction

(12) error code insertion：forbidsingleproportioned insertion 10-1～10-7

(13) receivinglevel：-30 ～ +20dBm

(14) output level：-10 ～ +5dBm

(15) standards：electric power department standards、V.23、u-4f、SCI、CDT、BELL 212A、ABB

Other Parameters

Power supply

(1)Special power adapter

Input: AC220V 50Hz

Output: DC 9V 1A

(2)Internal rechargeable battery

4000mAh, 6V nickel-hydrogen rechargeable battery

Working time: 8 hours

Charging: 8 hours at power-off state, and 12 hours at power-on state

Dimension and weight

L×W×H: 200×160×42mm

Weight: 950g

Ambient parameters

Operation temperature:-10~50℃

Storage Temperature: -30~+70℃

Humidity: 5%~90%, non-condensing