The 1-Port Channelized STM-16/OC-48 SPA interface is compliant with RFC 1619, PPP over SONET/SDH,
and RFC 1662, PPP in HDLC-like Framing. The 1-Port Channelized STM-16/OC-48 SPA also provides
support for SNMP v1 agent (RFC 1155–1157), and Management Information Base (MIB) II (RFC 1213).
1-Port Channelized STM-16/OC-48 SPA Cables and Connectors
The 1-Port Channelized STM-16/OC-48 SPA uses a small form-factor pluggable (SFP) optical transceiver
module installed in the port for SONET and SDH single-mode and multimode optical fiber connection (see
the following figure).
Figure 9: SFP Optics Module
The SFP optical transceiver modules used with the 1-Port Channelized STM-16/OC-48 SPA provide the
following optical fiber options:
• Multimode—2.488-Gbps, OC-48/STM-16 optical fiber (SONET STS-48 or SDH STM-16)
Use a multimode optical fiber that has a core/cladding diameter of 62.5/125 microns.
• Single-mode—2.488-Gbps, OC-48/STM-16 optical fiber (SONET STS-48 or SDH STM-16)
Use a single-mode optical fiber that has a modal-field diameter of 8.7 ±0.5 microns. (Nominal diameter is
approximately 10/125 microns.)
For single-mode and multimode optical fiber connections, you can use either a duplex LC-type cable (see the
figure below) or two simplex LC-type cables, one for transmit (TX) and one for receive (RX).
Use single-mode (for intermediate- or long-reach configurations) or multimode optical fiber cable to connect
your router to a network or to connect two 1-Port Channelized STM-16/OC-48 SPA-equipped routers back
to back.
Long-range SFP optical transceiver modules (for long-reach configurations) cannot be connected back-to-back
without using an attenuator between the two of them.
Cisco ASR 9000 Series Aggregation Services Router SIP and SPA Hardware Installation Guide
16
Overview: Cisco ASR 9000 Series Router Shared Port Adapters
1-Port Channelized STM-16/OC-48 SPA Cables and Connectors
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