ST-2135 E1/Datacom Transmission Analyzer
ST-2135 E1/Datacom Transmission Analyzer is one multi-functional and full- featured digital transmission system test device, designed for the installation test, engineering check and acceptance, daily maintenance of digital networks, mainly performing channel test, alarm analysis, fault finding and signalling analysis. In addition, this instrument further provides various protocol converters with one-way and bi-directional bit error test function. These capabilities make it ideal for field use.
Basic Functions
1) E1 testing
- 75з and 120з line interfaces
- HDB3 and AMI line codes
- Out-of-service 2Mb/s, N64kb/s BER testing
- In-service framed and unframed double-channel testing
- “PCM simulator” mode testing
- Frame data control and monitoring
- Timeslot activity monitoring
- Built-in 64kb/s tone channel listen capability
- CAS and CCS signaling generation and monitoring
- Round trip delay measurement
- APS delay measurement
- Extensive error and alarm generation
- VF tone generation and measurement
- Level measurement (Optional)
- Pulse mask measurement (Optional)
- Jitter measurements to ITU-T standard O.172 (Optional)
- Frequency and offset measurement
- Clock slip measurement
- Up to 999ppm transmit clock deviation
- Clock source: Internal, Interface or External 2M clock/signal
- Real-time transmit circuit open/short indication
2) Datacom testing
- Datacom (V.24, V.35, V.36, X.21, RS-449, RS-485, EIA-530 and EIA-530A) interfaces BER testing
- ASYNC BER testing with baud rate 50b/sⅵ57.6b/s
- SYNC BER testing with data rate 1.2kb/sⅵ2.048Mb/s
- DTE or DCE emulation
- SYNC clock source and sense selection
- Frequency measurement
- Handshaking signals control and monitoring
3) G.703 CO testing
- G.703 CO 64kb/s BER testing
- Octet timing control and monitoring
- Frequency and offset measurement
- Clock source: Internal, Interface
4) Protocol converter testing
- E1-Datacom SYNC 64k or N64kb/s BER testing
- E1-G.703 CO SYNC 64kb/s BER testing
- Frequency and offset measurement
- Handshaking signals monitoring
- E1 frame data and alarm monitoring
5) Other functions
- Real-time clock
- Drop&Insert between E1 and Datacom
- Test pattern: PRBS, Fixed Code and 16-BIT User Word
- Error injection: Single and Fixed Rate
- Manual and auto-timer measurement
- ITU-T G.821, G.826, and M.2100 performance analysis
- Self-check and keyboard testing function
Main Features
- Handheld design and easy-to-use
- Full-featured measurements to E1, Datacom and Protocol Converter
- High resolution backlit large LCD screen, with adjustable contrast
- Smart navigation mode and multi-languages displays
- Extensive error and alarm generation, detection and indication
- Histograms analysis of alarm and error events
- Up to 99 days continuance test performance
- Save/Recall of up to 10 user-defined setups and 10 sets of results
- Up to 6 hours operation from a single battery charge
- Built-in NiMH rechargeable batteries and smart charger circuit
- Can be charged with automobile cigarette lighter battery adapter
- Upgradeable software via an integrated USBinterface
- Test results uploaded, conserved and printed by TestManagerPro software
Configuration List
Standard configuration list of the E1/Datacom Transmission Analyzer:
| Item |
Qua |
Item |
Qua |
| E1/Datacom Transmission Analyzer |
1 |
Users Manual |
1 |
| AC Power Adapter |
1 |
TestManagerPro Setup CD |
1 |
| Automobile Cigarette Lighter Battery Adapter Cable |
1 |
AA NiMH Rechargeable Batteries (Built-in) |
5 |
| E1 75 Ohm Unbalanced Test Cable |
2 |
Waterproof Package |
1 |
| E1 120 Ohm Balanced Test Cable |
1 |
Quality Certificate Card |
1 |
| Datacom Adapter Cables |
4 |
Maintenance Card |
1 |
| Datacom Interfaces Loop-back Adapter |
1 |
Packing List |
1 |
| RS232 Communication Cable |
1 |
|
|
Specifications
| Item |
Description
|
|
E1
|
Internal Clock
|
2048kb/s 10ppm
|
|
Frequency Deviation
|
999ppm
|
|
Line Interface
|
75ヘ (Unbalanced), 120ヘ (Balanced); High Input Impedance >2KW
|
|
Line Code
|
HDB3, AMI
|
|
Framing
|
Unframed, PCM30, PCM30CRC, PCM31, PCM31CRC
|
|
Receive Sensitivity
|
> -43dB
|
|
Tx Clock Source
|
Internal, Interface and External 2MHz clock or signal
|
|
Pulse Mask
Measurement
|
Comply with G.703
|
|
Jitter Measurement
|
Comply with O.172
|
|
Frequency Measurement
|
Accuracy: 1Hz
|
|
Offset Measurement
|
Accuracy: 1ppm
Range: -999ppmⅵ+999ppm
|
|
VF Injection
|
Frequency: 200Hzⅵ3400Hz, Step: 10Hz
|
|
Level: -60dBmⅵ+3dBm
|
|
VF Measurement
|
Frequency: 200Hzⅵ3400Hz, Accuracy: 1Hz
|
|
Level range :-60.00dBmⅵ+3.14dBm
-60.00dBmⅵ-21.00dBm, accuracy: 2.87dBm
-20.00dBmⅵ+3.14dBm, accuracy: 0.21dBm
|
|
Delay Measurement
|
Accuracy: 1レs
|
|
G.703 CO
|
Line Rate
|
64kb/s 100ppm
|
|
Line Interface
|
120ヘ, Balanced
|
|
Line Code
|
AMI
|
|
Datacom
|
Line Interfaces
|
V.24, V.35, V.36, X.21, RS-449, RS-485, EIA-530, EIA-530A
|
|
Data Rate
|
ASYNC
|
50, 75, 150, 300, 600bit/s, 1.2, 2.4, 4.8, 7.2, 9.6, 19.2, 38.4, 57.6kb/s
|
|
SYNC
|
1.2, 2.4, 4.8, 7.2, 9.6, 19.2, 38.4kb/s,
N*64kb/s ( N=1ⅵ32)
|
|
Test Patterns
|
PRBS
|
223-1,220-1, 215-1, 211-1, 29-1,26-1
|
|
Fixed Code
|
1111, 0000, 1010
|
|
16-BIT
|
User Programmable Word
|
|
LED Alarm Indicators
|
Signal Loss, AIS, Frame Loss, MFrame Loss, Pattern Loss, Remote Alarm, Error, Clock Slip, Octet Loss, Low Battery
|
|
Error Injection
|
Type: BIT, FAS, CRC4, CODE, E-BIT
|
|
Single, Fixed Rate : 10-2, 10-3, 10-4, 10-5, 10-6, 10-7
|
|
Performance Analysis
|
ITU-T G.821, G.826 and M.2100
|
|
Display
|
320x240 pixel backlit monochromatic LCD
|
|
Serial Port
|
RS232 Connector
|
|
Rechargeable Batteries
|
5*1.2V AA NiMH batteries, continuous working for 6 hours
|
|
Recharge Time
|
Approx. 2 hours
|
|
AC Power Adapter
|
Input: 100Vⅵ240VAC, 50/60Hz Output: 12VDC/1.5A
|
|
TestManager Pro
|
WIN98/ME/2000/XP/NT
|
|
Dimensions
|
LWH 266mm 90/144mm 60mm
|
|
Operating Temperature
|
0ⅵ50
|
|
Storage Temperature
|
-20ⅵ70
|
|
Humidity
|
5%ⅵ95% non-condensing
|
|
Weight
|
Approx. 800g
|
Optional configuration list of the E1 Transmission Analyzer:
|
Code
|
Option Name
|
Acquired Way
|
Additional Accessories
|
Qua
|
|
Option1
|
Double E1 channels monitoring and E1 External Clock
|
Add-on Hardware and Authorized Software
|
Hardware Module
|
1
|
|
External Clock Access Cable
|
1
|
|
Double E1 Channels Monitoring Test Cable
|
2
|
|
Embedded Software and Function Control Code
|
1
|
|
Option2
|
Pulse Mask Measurement
|
Authorized Software
|
Embedded Software and Function Control Code
|
1
|
|
Option3
|
Jitter Measurement
|
Authorized Software
|
Embedded Software and Function Control Code
|
1
|
|
Option4
|
Level Measurement
|
Authorized Software
|
Embedded Software and Function Control Code
|
1
|
|
Option5
|
G.703 CO testing
|
Authorized Software
|
Embedded Software and Function Control Code
|
1
|
|
Option6
|
Frame Relay Test, Drop and In Testing
|
Authorized Software
|
Embedded Software and Function Control Code
|
1
|
|
