
Port Specifications (Contd)
TRUNK PORTS
TRUNK TYPE | CIRCUIT PACK |
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Auxiliary Trunk | TN763 | ● Capacity: | 4 | Circuits | |||
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| ● | interface: | |||
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| Voice | (T,R), | ||
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| Signaling (S, S1), | |||
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| Status | (SZ, | SZ1) | |
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Direct | Inward | TN753 | ● Capacity: | 8 | Circuits | ||
Dialing | (DID) |
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| (600 | Ohm Fixed | ||||
Trunk |
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| Impedance) | Transmission | ||
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| ● Signaling: Wink Start, | ||||
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| Delay | Dial, | or Immediate | |
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| Dial. |
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| Accepts | Dial Pulse Signals | ||
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| ● Incoming | Service Only | |||
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Tie Trunk | TN760B | ● Capacity: | 4 | Circuits | |||
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| ● Supports Type I E&M, | ||||
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| Type I Compatible E&M or | |||
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| Type V | Simplex Signaling | ||
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| Transmission | ||
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| ● | Interface | |||
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| Transmit |
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| Receive |
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| Signaling | (E&M) | ||
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