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This chapter describes the 155-Mbps port adapter that is supported in the following systems:
This chapter includes the following sections:
The 155-Mbps Synchronous Optical Network (SONET) STS3c/SDH STM1 port adapter is used for intercampus or wide-area links. The 155-Mbps port adapter supports SC-type and unshielded twisted-pair (UTP) connectors.
The ATM switch supports any port adapter combination required. Table 4-1 identifies the maximum number of 155-Mbps interface ports supported in each system.
| System Type | Max. No. of 155-Mbps Interface Ports |
|---|---|
Figure 4-1 shows a 155-Mbps port adapter that supports UTP connectors.
The 155-Mbps port adapter has four ports that provide the following ATM connections, as shown in Figure 4-2:
The 155-Mbps port adapter with one single-mode and three multimode connections meets the Japan Approvals Institute for Telecommunications Equipment (JATE) approval. See Table 4-2 for JATE approval details for the 155-Mbps port adapter.
| Applicant Name | Model No. | Approval No. | Date of Approval |
|---|---|---|---|
This section describes supported cabling configurations for the 155-Mbps port adapter, which provides single-mode, multimode, mixed (one single-mode and three multimode), and UTP connections.
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Note All ATM interfaces are full duplex. You must use the appropriate ATM interface cable to connect the ATM single-mode, multimode, or UTP port adapter interface with an external ATM network. |
The 155-Mbps port adapter provides an interface to ATM switching fabrics for transmitting and receiving data at up to 155 Mbps bidirectionally. The 155-Mbps port adapters can support interfaces that connect to the following physical layers:
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Note For descriptions of ATM cabling requirements, see the "ATM Connection Equipment Requirements" section. |
To connect the 155-Mbps port adapter to the external ATM switch, use the following connectors. (See Figure 4-3 for UTP and single- and multimode fiber-optic connections. See Figure 4-4 for single-mode fiber-optic and long reach connections.)
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Note For a description of these connectors, see the "ATM Connection Equipment Requirements" section. (Figure 2-1 shows an SC-type connector. Figure 2-3 shows an RJ-45 connector.) |
The LEDs provide status information for the individual 155-Mbps single-mode, multimode, and UTP interface connections. The LEDs are shown in Figure 4-3 and Figure 4-4 and described in Table 4-3.
| 1LOS = loss of signal
2LOF = loss of frame 3OCD = out of cell delineation 4AIS = alarm indication signal 5LOP = loss of pointer 6RDI = remote defect indicator |
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Note Single-mode fiber-optic interface connectors are blue, while multimode connectors are black. |
Posted: Wed Jan 22 01:21:30 PST 2003
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