Kentrox D-SERV II DSU/CSU - 4020CE

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Product Overview

D-SERV II 56/64 kbps DSU/CSU from Kentrox supports high-speed LAN-to-LAN internetworking, video-conferencing services, Frame Relay, and Internet access. The D-SERV II provides a high quality, economical solution for the network termination of 56/64 kbps clear channel digital services.

Easy to use and configure, the D-SERV II installs in minutes, providing plug-and-play operation for most common services. It features a built-in test pattern generator and error indicator along with a full complement of front-panel LED indicators affording "at-a-glance" system monitoring.


Manufacturer Kentrox
Mfg Part# 4020CE
SKU 10018180
UPC 872114004102
UPC 14 00872114004102
Serial V.35 Interface Yes
Product Type CSU/DSU
Manufacturer Part Number 4020CE
Manufacturer Kentrox, LLC
Product Name D-SERV II DSU/CSU
Product Line D-SERV II
Brand Name Kentrox
Weight (Approximate) 3.50 lb
Height 1.8"
Width 6"
Depth 8"
Encoding Method Bipolar Return-to-Zero
Limited Warranty 5 Year
Tech Specs
Status Indicators TxD RxD RTS CTS Link DCD Test OOS
Electrical Interface CCITT V.35 DCE
Ports 1 x 34-pin Serial V.35 Mechanical / 1 x 8-pin RJ-48S Network
Humidity 0 to 95% Operating
Temperature 32°F (0°C) to 122°F (50°C) Operating
Product Type DDS CSU/DSU
Manufacturer Part Number 4020CE
Manufacturer Website Address
Manufacturer Kentrox, LLC
Product Name D-SERV II DSU/CSU
Product Line D-SERV II
Brand Name Kentrox
Data Transfer Rate 56 Kbps 4-wire Simplex, Half/Full-duplex / 64 Kbps 4-wire Simplex, Half/Full-duplex
Additional Information Anti-streaming Internal power supply Supports standard DDS and V.54-compliant loopbacks Provides low-cost DDS service termination Output Power +/- 6.0 dBm at 135 ohm resistive load Output Pulse 50% duty cycle, 1.5 volts peak into 135 ohm load
Compatibility AT&T: PUB 62310
Certifications & Standards Regulatory: FCC Part 15, EMI/RFI FCC 68 NRTL listed to UL1950
Dimensions 1.75" Height x 6" Width x 8" Depth
Weight (Approximate) 3.50 lb
Input Voltage 109 V AC to 129 V AC
Frequency 57 Hz or 63 Hz
Input Current 1 A
Power Consumption 8 W Maximum
Data Encoding Bipolar Return-to-Zero
Diagnostic Features BERT Test: 2047 test pattern Loop Tests: Digital loopback Analog loopback Remote loopback
Impedance 135 Ohm ±10%Output Impedance / 135 Ohm ±10%Input Impedance
Operating Mode 4-wire
Standard Warranty 5 Year
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