普賽斯｜誤碼儀｜BERT3T800G3 - 800G 三溫高速誤碼儀

BERT3T800G3 _ 800G Three-Temperature High Speed BERT

The PSS 800G Three-Temperature BERT System integrates an 800G Bit Error Rate Tester (BERT), an MCB board, and a three-temperature TEC + liquid-cooling rapid temperature control system. It supports multi-port testing for 400G/800G OSFP, QSFP-DD, and QSFP112 modules.
The system features a modular design, allowing users to configure different port quantities and package types according to specific testing requirements, providing a fully customizable test solution.

Features

Bit Error Rate Analyzer
- Supports multi-rate NRZ / PAM4 signals from 24.33 to 57.8 GBaud.
- Multiple pattern selections: PRBS 7/9/11/13/15/16/23/31, PRBS 7–31Q, SSPRQ, JP03A, JP03B, and user-defined patterns.
- The transmitter supports 3/7-tap pre-emphasis, while the receiver supports adaptive equalization.
- Features fast rise/fall times and low jitter performance.
- Supports FEC Monitor and KP4 RS-FEC functions, including symbol error distribution analysis.
Temperature Control
- Equipped with comprehensive TEC protection, continuously monitoring the temperature difference between the hot and cold sides.
- An innovative case temperature monitoring design enables real-time feedback of the module shell temperature.
- Each port adopts an independent water-cooling loop, ensuring isolated and interference-free operation.
System Features
- Flexible port configuration, supporting 2/3/4-port optical module designs to adapt to various test scenarios.
- Highly flexible package compatibility, supporting multiple formats including OSFP, QSFP-DD, and QSFP112.
- Modular design allows quick installation and maintenance of DUT fixtures and MCB boards, improving usability and service efficiency.
- High reliability with dedicated airflow, liquid cooling, and optical module protection designs, ensuring stable operation.
- User-friendly GUI interface, each port displayed independently for intuitive operation.
- Supports multi-LAN connections, enabling convenient integration across multiple interfaces.

Technical Specifications

Bit Error Rate Analyzer

Parameter Specification
Output Type Differential NRZ / PAM4
Rate (Gbps) 24.8832, 25.0, 25.06752, 25.78125, 26.5625, 27.95, 28.05, 28.125, 28.9, 49.765, 49.7664,
50.0, 50.13504, 51.5625, 53.125, 55.9, 57.8
(Supports continuous adjustment within the speed range)
Rising Time ^(20%~80%) ＜9.5ps
Falling Time ^(20%~80%) ＜9.5ps
Pattern (Prbs) PRBS 7/9/11/13/15/16/23/31, PRBS13/31Q；
SSPRQ, JP03A, JP03B, LIN, Square Wave, Custom Pattern, Error Insertion (Tx Side)
RMS Jitter ＜500fs
Rx Amplitude^{(Differential)} 100mVpp ~ 600mVpp
Rx Sensitivity^{(Differential)} ＜100mVpp
*Test data measured with a 2.5 m cable under 53.125 Gbps, PRBS31 conditions

Temperature Control

Parameter Specification
Temperature Control Method TEC + Liquid Cooling
Temperature Control Range -20~+85℃
Heating/Cooling Efficiency ≤2 min (typical case temperature, @12W OSFP, 70→0 °C)
^{_{Subject to actual test conditions, depending on DUT power consumption and heat source distribution}}
Temperature Control Stability ±1℃
Temperature Control Accuracy 0.1℃
Fixture Replacement Supports quick plug-and-play replacement for single-port fixtures

MCB Fixture

Parameter Specification
Case Temperature Monitoring Supports real-time module case temperature monitoring (NTC)
Voltage Offset 3–3.6 V voltage offset
MCB Replacement Supports independent replacement of the MCB board
Fixture Replacement Supports quick plug-and-play replacement for single-port fixtures
^{_{Due to integrated water-cooling loops, hot-swapping is not supported—replacement must be performed with the system powered off}}

Main Unit

Parameter Specification
Module Testing Capacity 2 / 3 / 4 ports
Module Package Types OSFP / QSFP-DD / QSFP112
Interface RS232，LAN
Host / Chiller Maximum Power 2kw
^{_{The host power may vary depending on the number of configured ports.}}。
_{^{Chiller power may vary based on the number of ports; the system is supplied with a chiller.}}。

Parameter	Specification
Output Type	Differential NRZ / PAM4
Rate (Gbps)	24.8832, 25.0, 25.06752, 25.78125, 26.5625, 27.95, 28.05, 28.125, 28.9, 49.765, 49.7664, 50.0, 50.13504, 51.5625, 53.125, 55.9, 57.8 (Supports continuous adjustment within the speed range)
Rising Time ^(20%~80%)	＜9.5ps
Falling Time ^(20%~80%)	＜9.5ps
Pattern (Prbs)	PRBS 7/9/11/13/15/16/23/31, PRBS13/31Q； SSPRQ, JP03A, JP03B, LIN, Square Wave, Custom Pattern, Error Insertion (Tx Side)
RMS Jitter	＜500fs
Rx Amplitude^{(Differential)}	100mVpp ~ 600mVpp
Rx Sensitivity^{(Differential)}	＜100mVpp

Parameter	Specification
Temperature Control Method	TEC + Liquid Cooling
Temperature Control Range	-20~+85℃
Heating/Cooling Efficiency	≤2 min (typical case temperature, @12W OSFP, 70→0 °C) ^{_{Subject to actual test conditions, depending on DUT power consumption and heat source distribution}}
Temperature Control Stability	±1℃
Temperature Control Accuracy	0.1℃
Fixture Replacement	Supports quick plug-and-play replacement for single-port fixtures

Parameter	Specification
Case Temperature Monitoring	Supports real-time module case temperature monitoring (NTC)
Voltage Offset	3–3.6 V voltage offset
MCB Replacement	Supports independent replacement of the MCB board
Fixture Replacement	Supports quick plug-and-play replacement for single-port fixtures ^{_{Due to integrated water-cooling loops, hot-swapping is not supported—replacement must be performed with the system powered off}}

Parameter	Specification
Module Testing Capacity	2 / 3 / 4 ports
Module Package Types	OSFP / QSFP-DD / QSFP112
Interface	RS232，LAN
Host / Chiller Maximum Power	2kw ^{_{The host power may vary depending on the number of configured ports.}}。 _{^{Chiller power may vary based on the number of ports; the system is supplied with a chiller.}}。