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7.4.1 E1 trunk connections
You can use the E-QUE interface card to make E1 connections between Eclipse systems or
between Eclipse systems and compatible third-party equipment.
E1 mode provides 30 channels of G.722 encoded audio available on each of ports 1 and 5,
giving 60 channels per card.
The E1 specifications are:
HDB3 Encoding.
Long Haul Receive Signal Level.
E1 120 Ohm Transmit Pulse Amplitude.
Balanced.
120 Ohm Line Impedance.
No Signaling.
G.722 64 kbit/s Audio Encoding.
Tx Clock locally generated.
Rx Clock Line Recovered.
Figure 29: Matrix to Matrix direct E1 Trunking shows E1 trunking using a direct
connection between the matrices using a CAT5 crossover cable. The E-QUE interface
should be set to E1 Direct in EHX hardware setup.
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Eclipse HX Matrix Frame Installation Guide