Table 24: Optical Interface Support for SFP Gigabit Ethernet ePIM (continued)
1000Base-LX Transceiver1000Base-SX TransceiverParameter
For SMF cable: –9.5 dBm through
–3 dBm
For MMF cable: –11.5 dBm through
–3 dBm
–9.5 dBm through –4 dBmAverage launch power
–3 dBm–3 dBmReceiver saturation
–20.5 dBm–18 dBmReceiver sensitivity
Dual-Port Serial PIM
The Dual-Port Serial PIM (Figure 28 on page 55) provides a physical connection to
serial network media types through two serial interface ports.
Figure 28: Dual-Port Serial PIM
The Dual-Port Serial PIM provides the following key features:
■ Onboard network processor
■ Autoselection of operation modes based on data terminal equipment (DTE) or
data communication equipment (DCE) cables
■ Local and remote loopback diagnostics
■ Configurable clock rate for the transmit (Tx) clock and receive (Rx) clock
For pinouts of cable connectors for serial PIMs, see “Serial PIM Cable
Specifications” on page 225.
To install or remove a PIM, see “Replacing a PIM” on page 174.
Status LEDs indicate port status. Table 25 on page 56 describes the meaning of the
LED states.
Field-Replaceable PIMs ■ 55
Chapter 3: PIM and VoIP Module Overview
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