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Stand alone CSU/DSU digital access unit
CT-ETU01-PLUS
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- 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.
Specifications
| Item | Description |
|---|---|
| Framing | Framed CCS (PCM31) CAS (PCM30) |
| Line Code | AMI/ HDB3 |
| Data rate | N x 56K or N x 64Kbps, where N=1~31 |
| Relative receive level | -43dB |
| Pulse | Nominal 2.37V ±10% for 75 ohm |
| Amplitude | Nominal 3.00V ±10% for 120 ohm |
| 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
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