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1.4 Technical Specifications
Transmission | Type | Unloaded twisted pair 19 to 26 AWG; | |
Line |
| ||
|
| duplex | |
| Connector | ||
| Range | See Table | |
| Level | 0 dBm, | |
| Transmit Impedance | 150, 300, 600Ω, LOW, | |
| Receive Impedance | 150, 300, 600Ω, HIGH, | |
| Return Loss | Greater than 15 dB | |
| Carrier | Controlled by RTS or constantly ON | |
| Modulation | Differential diphase (Eurocom Std. D1) | |
Digital Interface | Type | ||
| Baud Rates (Sync and Async) | Selectable to: | |
|
| 1.2, 2.4, 3.6, 4.8, 7.2, 9.6, 14.4, 19.2 kbps | |
| RTS/CTS Delay | ||
| Connector | ||
V.54 Diagnostics | Digital Loopback | • | Local (DIG), activated by a push button |
|
| • | Remote (REM), activated by a push |
|
|
| button or by the DTE interface signal, |
|
|
| pin 21 |
| Analog Loopback | Local (ANA), activated by a push button or | |
|
| by the DTE interface signal, pin 18. | |
Timing Elements | Receive Clock | Derived from CDP Receive signal | |
| Transmit Clock | Derived from the following alternative | |
|
| sources: | |
|
| • | Internal |
|
| • | External from the terminal, via pin 24 |
|
| • | Loop clock derived from the receive |
|
|
| signal looped back as a transmit clock |
Indicators | TD (yellow) | Transmit Data | |
| RD (yellow) | Receive Data | |
| RTS (yellow) | Request to Send | |
| DCD (yellow) | Data Carrier Detect | |
| TEST (red) | Test | |
| PWR (green) | Power | |
| RPF (red) | Remote Power Fail |
Technical Specifications |