Instruction Manual

ManualsBrandsAtec ManualsEquipmentActerna-DSAM-2500 Series

Digital Service Activation Meter

Acterna DSAM-2500

The Acterna DSAM-2500 (Digital

Service Activation Meter) isa light-

weight, durable, handheld meter for

DOCSIS/EuroDOCSIScable modem

installation. The meter enables

installation technicians to install and

service high-speed data and video

services while onsite. It features an

intuitive graphical interface complete

with an informative online help system.

Exclusive DSP, DOCSIS and analog tech-

nology provides greatfuture flexibility.

Upgrading the meter can be as simple

as downloading a file from the Web

and installing itonto the device using

optional DSAM-PCsoftware. Addition-

ally, cable operators can expand the

meter’s capabilitiesto meet the needs

of new technologies as they are added

to the network.

Highlights

– DOCSISver. 1.0 and 1.1 compatible

– Ranging and registration confirm

physical and networkconnectivity

– QuickQAM summary of digital

carrier performance (MER/EVM

and pre/post FECBER)

– Install autotests allow preconfig-

ured automated tests for digital,

analog and DOCSISchannels

– Weather and shockresistant

enclosure; weighs less than 3 lb

(1.4 kg)

– 4 to 1000 MHz range analog

Signal LevelMeter, 8 MHz and

6 MHz models

Summary of content (6 pages)

PAGE 1
Acterna DSAM-2500 Digital Service Activation Meter The Acterna DSAM-2500 (Digital Service Activation Meter) is a lightweight, durable, handheld meter for DOCSIS/EuroDOCSIS cable modem installation. The meter enables installation technicians to install and service high-speed data and video services while onsite. It features an intuitive graphical interface complete with an informative online help system. Exclusive DSP, DOCSIS and analog technology provides great future flexibility.
PAGE 2
Digital Service Activation Meter (DSAM) is a lightweight, durable, handheld meter that includes extensive analog and digital capabilities DOCSIS/EuroDOCSIS install capabilities include: – In-service ranging with network CMTS to prove physical upstream path – Transmit margin displayed and compared with limits for easy Pass/Fail results – Downstream QAM measurements (average power level, MER/EVM, and pre- and post-FEC BER tested against limits) – Multiple DOCSIS carriers handled in a single autotest selection
PAGE 3
The cable modem autotest function provides an immediate Pass/Fail message The DSAM upstream spectrum display makes identifying ingress quick and easy The results focused meter Simplified installation DOCSIS cable modem installation is simplified for even the novice installer. Not just one, but multiple downstream DOCSIS carriers can be tested in a single, automated cable modem test. Immediate Pass/Fail message is displayed. Details of failed parameter(s) are noted in the autotest results.
PAGE 4
Single channel level view displays all modulation types in a common format for all users With limits “on”, key digital and analog channels are quickly checked in miniscan view Comprehensive SLM capabilities The DSAM’s SLM capabilities handle all of the traditional needs of the cable installer. The meter not only provides a single-channel level display, it also delivers a 12-channel miniscan ensuring the fastest evaluation of levels at an install.
PAGE 5
Specifications (preliminary) Downstream QAM demodulation General Frequency Modulation type Display Modulation types QPR, QPSK, QAM (DVB/ACTS) Range –40 to +60 dBmV(1) Resolution 0.1 dB Resolution bandwidth 330 kHz Accuracy(2) ±2.0 dB typical @ 25°C 64 and 256 QAM, ITU-T J.
PAGE 6
Acterna Basic Service packages To ensure the highest levels of support for DSAM purchasers, Acterna offers the Basic Service for instrument package. Designed to provide the foundation for maximizing the features and usage of DSAM equipment, Acterna’s Basic Service package offers the following degrees of service and support only Acterna can provide.