Chapter 1 Introduction | ||
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T1 Main Link | Number of Links | Two (one redundant) |
| Data Rate | 1.544 Mbps |
| Standards | ANSI T1.403, AT&T |
| Line Code | AMI |
| Zero Suppression | B8ZS |
| Framing | SF, ESF, transparent |
| Timing | Internal or loopback |
| Statistics | Full statistical diagnostics capability according to |
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| ANSI |
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| Local support of ESF diagnostics according to |
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| AT&T PUB 54016 |
| Receive Signal Level | 0 to |
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| 0 to |
| Transmit Signal Level | 0, |
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| ±2.7V (±10%) at |
| Jitter Performance | Per AT&T |
| Line Impedance | 100Ω, balanced |
E1 Voice | Ports per Module | Two or four |
Ports |
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| Data Rate | 2.048 Mbps per port |
| Standards | |
| Framing | G.732S and G.732N with or without |
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| compliance with |
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| requirements |
| Line Code | HDB3 |
| Receive Signal Level | 0 to |
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| 0 to |
| Transmit Signal Level | ±3V (±10%) |
| Jitter Performance | Per |
| Line Impedance | 120Ω, balanced |
| Connector (per port) | |
T1 Voice | Ports per Module | Two or four |
Ports |
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| Data Rate | 1.544 Mbps per port |
| Standards | ANSI T1.403, |
Technical Specifications |