Guoquin Technology Co. GQ-4100A Transmission Analyzers
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Guoquin Technology Co. GQ-4100A Details
Guoquin Technology Co. GQ-4100A
Major Features
- Chinese menu. Large screen. Easy operation.
- Multitask operation (It is allowed to conduct a test while browsing previous records).
- As many as 9 test settings and 20 groups of test results can be stored, and kept in memory in the event of power failure. .
- Communication with a PC is available to allow test data storage, analysis and printing to be carried out on the PC, or directly connected to a micro printer.
- The instrument can be powered on or off at certain times for testing purpose.
- Column diagram analysis of alarms and error codes;
- Software updating online.
Main Functions
- Service-interrupted error code testing;
- Error code testing online;
- Framing and non-framing signals generation and reception;
- 2 Mbit/s non-framing error code performance testing;
- 2 Mbit/s framing N×64kbit/s channel error code performance testing;
- Performance testing of bit error, coding error, frame error, CRC error and E bit error;
- Alarm testing of signal loss, AIS alarm, frame remote alarm, multiframe remote alarm, out-of-frame, and out-of-pattern synchronism
- Frequency swing testing;
- Line signal frequency testing;
- Speech channel signal level and frequency testing;
- Pattern slip testing;
- Straightforward signaling
- Audio frequency testing;
- Sound monitoring;
- Signaling state display. Voice channel content display. Voice channel busy indication;
- Column diagram analysis of alarms and error codes;
- Time sot content analysis;
- Frame content analysis;
- G. 821/G. 826/M. 2100 error code performance analysis;
- Several kinds of error code and alarm insertion;
- Three input modes (terminating, bridging and monitoring);
- Two clock options (internal and picking-up);
- RS-232 interface for printing result;
Technical Index 2M Technical Index (1) Signal input rate: 2048kbit/s±100ppm(G.703 requirement±50PPM) (2) Signal coding: 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: 75Ω Balance terminating: 120Ω. Reflection loss >18dB within 50Hzï.5ž3100kHz. (5.2) Unbalance bridging: >750Ω Balance bridging: >1200Ω (5.3) Unbalance monitoring: 75Ω, 26dB gain Balance monitoring: 120Ω, 26dB gain Reflection loss >18dB within 50Hzï.5ž3100kHz. (6) Signal structure (6.1) Non-frame structure (6.2) Frame structure: PCM30, PCM31, PCM30CRC, PCM31CRC Frame structure complies with the requirement of G. 704. (7) Testing pattern: 26-1ã€29-1ã€211-1ã€215-1ã€220-1ã€223-1, and artificial code (8) Impedance of output interface: (8.1) Non-balance 75Ω, up to G. 703 (8.2) Balance 120Ω, up to G. 703. (9) External clock input (9.1) Signal form: HDB3, NRZ (9.2) Balance terminating resistance: 120Ω Unbalance terminating resistance: 75Ω. Balance bridging resistance: >1200Ω Unbalance bridging resistance: >750Ω. (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. Printer: μP40-TS(CH)4 Chinese character micro-printer with standard level and serial port.
Dimension and weight L×W×H: 200×160×42mm Weight: 950g
Ambient parameters Operation temperature: 0ï.5ž40℃ Storage Temperature: -30ï.5ž+70℃ Humidity: 5%ï.5ž90%, non-condensing