Network Hubs, Switches, and Routers

Bit-Error-Rate Testers

DATA SHEETS

Display

Title / Parts

Key Advantages

QV PDF

Quad T1/E1/J1 Transceiver
DS21Q55, DS21Q55N

QV PDF

Bit Error Rate Tester (BERT)
DS2172

QV PDF

3.3V Bit Error Rate Tester (BERT)
DS21372

Key Specifications: T/E Carrier & Packetized Products

Part Number

Transmission Standard

Functions

Number of Channels

5V-Tolerant I/O

Supply Voltage (V)

EV-Kit

Package

Smallest Available Package (max w/pins) (mm²)

DS21372

•	Bit Error-Rate Tester

3.3

DS2172

•	Bit Error-Rate Tester

Yes

DS21Q55

T1/E1/J1

•	Single Chip Transceiver

Yes

3.3

Yes

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