Chapter 1 Introduction | |
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1.4 Technical Specifications
E1 Modules
E1 Port | Ports |
| Compliance |
| Connector |
| Data Rate |
| Line Code |
| Line Impedance |
| Signal Levels |
| Jitter Performance |
| External Adapter |
| Cable |
E1 | Compliance |
Framing | Framing |
| Signaling |
Up to 16
Balanced:
Unbalanced: TBNC 75Ω (an external adapter cable from TBNC to BNC is required)
2.048 Mbps HDB3
Balanced: 120Ω; Unbalanced: 75Ω
Receive: 0 to
Transmit Balanced: ±3V ±10%
Transmit Unbalanced: ±2.37V ±10%
TBNC to BNC required for unbalanced interfaces
G.704, G.706
Passthrough, CRC4 MF, CAS MF
CAS, CCS (transparent)
T1 Modules
T1 Port | Ports |
| Compliance |
| Connector |
| Data Rate |
| Line Code |
| Line Impedance |
| Signal Levels |
Jitter Performance
Up to 16
ANSI T1.403,
1.544 Mbps B8ZS, B7ZS, AMI Balanced: 100Ω
Receive: 0 to
Transmit: 0 dB,
±2.7V ± 10%, adjustable, measured in range 0 to 655 feet without CSU
AT&T