CT-ETU01-PLUS

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Media Converter

Stand alone CSU/DSU digital access unit

  • Digital access unit for Unframed E1 or Fractional E1 service.
  • Supports user-selectable transmission rates via randomly selected E1 timeslots.
  • Provides integral multiples of 64kbps, up to a maximum 2.048Mbps (unframed), for a line attenuation of up to 43 dB on twisted pair or coax cable.
  • Provides an approximate operating range up to 2km (using 22AWG).
  • Initiates local and remote loopback with integral BERT and features a fixed on-board V.35 interface.

Technical

Spec Text
Framing

Framed CCS (PCM31) CAS (PCM30)
Unframed CRC4 on/off

Line Code

AMI/ HDB3

Data rate

N x 56K or N x 64Kbps, where N=1~31
in CCS or N equal 1~30 in CAS

Relative receive level

-43dB

Pulse

Nominal 2.37V ±10% for 75 ohm

Amplitude

Nominal 3.00V ±10% for 120 ohm
Zero amplitude ±0.1V

Jitter performance

According to ITU-T G.823

Connectors

BNC(unbalanced), RJ-48(balanced)

Clock mode

0-4 Receive, transmit and Sync

Indications

LEDs (Power, TD, RD, RTS, DCD, Siganl loss, Sync loss, Alarm)

Standards

ITU-T G.703/G.704/G.706 & G.732

Power Input

AC: 90-250VAC , DC: -18 ~ -75 VDC

Power Consumption

10W

Dimensions

195 × 160 × 45 mm (D × W × H)

Weight

0.51kg

Temperature

0°C ~ 50°C (Operating), -10°C ~ 70°C (Storage)

Humidity

10 ~ 90% non-condensing

Certification

CE, FCC

MTBF

55,000 hrs

Ordering Information

Order Code Description
CT-ETU01/PLUS-AC V.35/MB34F port, fractional E1 unit with built-in AC 90 ~ 250 VAC
CT-ETU01/PLUS-DC V.35/MB34F port, fractional E1 unit with built-in DC -18 ~ -75 V
CT-ETU01/PLUS-R-AC V.35/MB34F port, fractional E1 Rack Mount type unit w/ built-in AC 90 ~ 250 VAC
CT-ETU01/PLUS-R-DC V.35/MB34F port, fractional E1 Rack Mount type unit w/ built-in DC -18 ~ -75 VDC

More Information