Chapter 3 Starting/Configuring TSP500
Table 3-4: Trunk Span Protocols.
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immi | US T1 Robbed Bit Protocol | Immediate Start Inbound. | |
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imm | US T1 Robbed Bit Protocol | Immediate Start Outbound. | |
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r2i | E1 Inbound | Inbound | |
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r2o | E1 Outbound | Outbound | |
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r2io | E1 Inbound Outbound | Inbound/Outbound | |
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ap2i | AP2 E1 Inbound | Inbound | |
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ap2o | AP2 E1 Outbound | Outbound | |
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ap2io | AP2 E1 Inbound/Outbound | Inbound/Outbound | |
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Trunk Type
The “Type” field indicates whether this span is used as a normal span con- nected to the network (T), as a normal span acting as the network (N), or spe- cifically used as a Digital Station span (D).
Trunk Board Number
The “BoardNumber” field indicates the assigned physical board number.
Trunk Variant
The “Variant” field indicates the network protocol variant.
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Variant |
| Description |
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AT4 |
| AT&T 4ESS. |
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E10 |
| AT&T 5ESS10. |
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DMS |
| Northern Telecome |
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NI2 |
| Bellcore National 2. |
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VN6 |
| France Telecom Euro ISDN and Euro Numeris. |
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QSIG |
| Signaling at the Q reference point. |
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NONE |
| No Variant (for US T1 Robbed Bit Protocol). |
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AUS |
| Australian Telecom 1 |
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ETSI |
| EuroISDN |
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VN6 |
| France |
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