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
· 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
· Voice channel signal level and frequency testing
· Pattern slip testing
· Straightforward signaling
· Audio frequency testing
· 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);
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.
Fig.10.1 Input Jitter Tolerance
(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.
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
Standard Configuration
|
No. |
Item |
Qty |
|
1 |
TW-1AS 2M Transmission Analyzer |
1 set |
|
Attached files |
|
2 |
User’s manual |
1 pc |
|
3 |
Software disc |
1 pc |
|
Attached accessories |
|
4 |
75Ω Coaxial testing line |
1 pc
根 |
|
5 |
BNC-L9 Testing line or 120Ω testing line
CESHIYI |
2 pcs |
|
6 |
RS232 serial line |
1 pc |
|
7 |
Power adapter |
1 pc |
|
8 |
Handy-case |
1 pc |
