Table of Contents
Advertisement
Chapter 3
Cisco 10000 Series Router Shared Port Adapters
1. Multimode fiber (MMF) only.
2. A mode-conditioning patch cord is required.
3. Dispersion-shifted single-mode fiber-optic cable.
Note
The 1000BASE-ZX SFP modules provide an optical power budget of 21.5 dB. You should measure your
cable plant with an optical loss test set to verify that the optical loss of the cable plant (including
connectors and splices) is less than or equal to 21.5 dB. The optical loss measurement must be performed
with a 1550-nm light source.
2-Port Channelized OC-12/DS0 SPA
The 2-Port Channelized OC-12/DS0 SPA is a full-height SPA that provides Synchronous Optical
NETwork (SONET) network connectivity with a bandwidth of 622.08 Mbps. The 2-Port Channelized
OC-12/DS0 SPA supports any combination of 2000 nxDS0, 672 DS1, or 24 DS3 channelized interfaces.
It provides separate queues for high and low priority egress traffic on each channelized interface.
The following sections describe the 2-Port Channelized OC-12/DS0 SPA:
•
•
•
2-Port Channelized OC-12/DS0 SPA LEDs
The 2-Port Channelized OC-12/DS0 SPA has three types of LEDs. There are two LEDs for each port on
the SPA, and one STATUS LED.
Figure 3-8
1
2
Table 3-17
OL-13838-02
When using the SFP-GE-L with 62.5-micron diameter MMF, you must install a mode-conditioning patch cord between
the SFP module and the MMF cable on both the transmit and the receive ends of the link when link distances are greater
than 984 ft (300 m).
We do not recommend using the SFP-GE-L and MMF with no patch cord for very short link distance (tens of meters). The
result could be an elevated bit error rate (BER).
2-Port Channelized OC-12/DS0 SPA LEDs, page 3-31
2-Port Channelized OC-12/DS0 SPA Interface Specifications, page 3-32
2-Port Channelized OC-12/DS0 SPA SFP Optical Transceiver Modules and Cables, page 3-32
2-Port Channelized OC-12/DS0 SPA Faceplate
CAR (Carrier/Alarm) LED
ACT (Active Loopback) LED
describes the 2-Port Channelized OC-12/DS0 SPA LEDs.
Figure 3-8
shows an example of these LEDs on a SPA.
3
STATUS LED
Cisco 10000 Series Router SIP and SPA Hardware Installation Guide
2-Port Channelized OC-12/DS0 SPA
SPA-2XCHOC12/DSO
3-31
Advertisement
Table of Contents
