SAT-1AS 2M誤碼測試儀

儀表簡介：

  SAT-1AS 2M誤碼測試儀主要用于測量通信線路數(shù)據(jù)通信的誤碼率和分析線路故障的原因。可方便的完成對2M系統(tǒng)，N&tim;64K信道傳輸參數(shù)測量及日常維護(hù)測試。

主要特點：

l全中文菜單，大屏幕顯示，操作簡便；

l便攜設(shè)計；內(nèi)置大容量電池，工作時間可達(dá)8小時以上；

l可進(jìn)行多任務(wù)工作（可以邊測試邊翻閱以前的記錄）；

l9個測試設(shè)置存儲，20個測試結(jié)果存儲，并具有掉電記憶功能；

l可定時開啟、關(guān)閉進(jìn)行自動測試；

l的歷史、實時告警燈設(shè)計，使您一目了然，并具有誤碼、告警功能；

l具有告警、誤碼直方圖分析；

l可將數(shù)據(jù)上傳至PC機(jī)，實現(xiàn)微機(jī)上存儲、打印，也可直接連接到微型打印機(jī)；

l軟件上網(wǎng)升級。

主要功能：

  SAT-1AS可實現(xiàn)的基本功能有：

l常規(guī)測試

l直通方式

l音頻測試

對2Mbit/s接口數(shù)字通道可實現(xiàn)中斷業(yè)務(wù)和在線誤碼測試方式，可進(jìn)行以下項目的測試：

l成幀和非成幀信號發(fā)生和接收

l2Mbit/s非成幀誤碼性能測試

l2Mbit/s成幀N&tim;64kbit/s通道誤碼性能測試

l比特誤碼、編碼誤碼、幀誤碼、CRC誤碼、E比特誤碼性能測試

l信號丟失、AIS告警、幀遠(yuǎn)端告警、復(fù)幀遠(yuǎn)端告警、幀失步、圖案失步告警測試

l頻偏測試

l話路通道信號電平、頻率測試

l圖案滑動測試

l時鐘滑動測試

l語音

l信令狀態(tài)顯示、話路通道內(nèi)容顯示、話路通道忙閑顯示

l告警、誤碼直方圖分析 

l時隙內(nèi)容、幀內(nèi)容分析

lG.821、G.826、M.2100誤碼性能分析

l多種誤碼和告警

l三種輸入方式（終接、橋接、監(jiān)測）

l兩種時鐘選擇（內(nèi)部、提取）

技術(shù)指標(biāo)：

●2M技術(shù)指標(biāo)

（1） 信號輸入速率： 2048kbit/s&plun;50ppm（G.703要求&plun;100ppm）

（2） 信號編碼：     HDB3、AMI

（3） 輸入抖動容限： 合G.823

（4）阻：非平衡 75Ω 合G.703

平衡 120Ω 合G.703

（5） 信號結(jié)構(gòu)：

（5.1）非幀結(jié)構(gòu)

（5.2）幀結(jié)構(gòu)：PCM30、PCM31、PCM30CRC、PCM31CRC

幀結(jié)構(gòu)合G.704要求

（6） 測試圖案：2⁶-1、2⁹-1、2¹¹-1、2¹⁵-1、2²⁰-1、2²³-1、人工碼

（7） 誤碼：BIT誤碼、幀誤碼、圖案滑動碼；無，單個，比例10-1～10-7

（8）告警：無信號、幀丟失、AIS、圖案丟失

其它參數(shù)：

●供電：

（1）本儀表電源適配器

INPUT:AC220V 50Hz

OUTPUT:DC 9V1.2A

（2）儀表內(nèi)部充電電池

≥4000mAh 6V鎳氫可充電電池

工作時間：8小時

充電：關(guān)機(jī)時充電8小時；開機(jī)時充電12小時

●打印機(jī)（可選）：μP40-TS(CH)標(biāo)準(zhǔn)電平串口漢字微型打印機(jī)

●尺寸和重量：

長&tim;寬&tim;高：220&tim;162&tim;48mm

重   量： 950g

●環(huán)境參數(shù)：

操作溫度： -10～+50℃

儲藏溫度： -30～+70℃ 

濕 度： 5%～90%非凝結(jié)

Major Featur

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

·           Hand held, auto configuration

·           Multi-task operation at one time

·           Store 20 tt rults and 9 tt configurations, with power-off memori

·           PC operation, store, ysis, print

·           Programmable timer

·           Alarm and histogram ysis

·           Software updating

Major Functions

For 2Mbit/s:

·           Service-interrupted error tting

·           Online error tting

·           Framed and unframed signals generating and receiving

·           2Mbit/s unframed error performance tting

·           2Mbit/s framed N&tim;64kbit/s channel error tting

·           Bit error, coding error, frame error, CRC error and E bit error tting

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

·           Frequency offset tting

·           Line signal level and frequency tting

·           Voice channel signal level and frequency tting

·           Pattern slip tting

·           Clock slip tting

·           Straightforward signaling

·           Audio frequency tting

·           Loop circuit delay tting

·           Automatic protection switching time tting (APS)

·           Clock bias function

·           Sound monitoring

·           Duplex 2Mbit/s detecting and monitoring

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

·           Alarm and error histogram ysis

·           Time slot content ysis, drop and insert signal on each time slot

·           Framed content ysis

·           G.703 Template ysis

·           G. 821/G. 826/M. 2100 error ysis

·           Multi error and alarm inserting

·           Three input mod (terminating, bridging and monitoring)

·           Three clock options (internal, external and picking-up)

·           Jitter tting function

·           Touch screen TFT color LCD (optional)

* The functions of yellow fonts dcription is a module for user to select.

For Datacom:

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

·           SYNCH and ASYNCH tting

·           DTE and DCE emulation

·           Bit code tting

·           Pattern slip tting

·           Signal loss alarm

·           Line signal level and frequency tting

·           Loop delay tting

·           Automatic protection switching time tting(APS)

·           G.821, M2100 service interrupt error tting

For co-directional 64Kbit/s:

·           Service interrupt error tting

·           Bit code tting

·           Pattern slip tting

·           Signal loss, AIS alarm

·           Line signal frequency tting

·           Loop delay tting

·           Automatic protection switching time tting(APS)

·           G.821, M.2100 error tting

Technical Index

·          2Mbit/s Technical Index

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

(2)        Signal code: HDB3, AMI.

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

Fig.10.1  Input Jitter Tolerance

(4)       Input balance rponse: attenuation compli 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 compli with the requirement of G. 704

(7)       Tting 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 ristance: 120W

Unbalance terminating ristance: 75W

Balance bridging ristance: >1200W

Unbalance bridging ristance: >750W

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

·           Co-directional64k Technical Index

(1)       Signal input rate: 64kbit/s &plun; 100ppm(G.703 requirement&plun;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)       Tting pattern: 2⁶-1, 2⁹-1, 2¹¹-1, 2¹⁵-1, 2²⁰-1, 2²³-1, and artificial code

·          Datacom Index

(1)        Data interface te: 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&tim;64kbps (N=1~32)

Error: &plun;15ppm (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)   S 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)        Tting pattern: 2⁶-1, 2⁹-1, 2¹¹-1, 2¹⁵-1, 2²⁰-1, 2²³-1, and artificial code

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&tim;W&tim;H: 200&tim;160&tim;42mm

Weight: 950g

·           Ambient parameters

Operation temperature: -10~50℃

Storage Temperature: -30~+70℃       

Humidity: 5%~90%, non-condensing

Standard Configuration