Card Descriptions
Table 96 8-Port POS OC-3c/STM-1c Card Specifications
Specification SR-0 SR-1
(1)
IR-1
(1)
Extinction ratio 10.0 dB (min) 8.2 dB (min) 8.2 dB (min)
Spectral width 7.7 nm (max) 4.0 nm (max) 4.0 nm (max)
Receiver
Wavelength range
1260 to 1360 nm 1270 to 1580 nm 1270 to 1580 nm
Sensitivity –29.0 dBm –28.0 dBm –28.0 dBm
Overload level –14.0 dBm –8.0 dBm –8.0 dBm
(1) Use part number SFP-OC3-SM-IR when ordering the SFP transceivers with POS OC-3 SR-1 or POS OC-3
IR-1 functionality.
(2) Each optical port has separate connectors for the transmit (Tx) and receive (Rx) circuits.
(3) Protection features for various types of cards and ports depend on the release of the SmartEdge OS; the system
supports a mix of protected and unprotected ports.
(4) The link power budget is calculated using (minimum output power) – (minimum sensitivity).
6.5.1 Status LEDs
Figure 39 Status LEDs on 8-Port POS OC-3c/STM-1c Card
Table 97 Equipment LEDs on 8-Port POS OC-3c/STM-1c Card
Label Activity Color Description
On Red A failure exists on the card.
(1)
FAIL
Off None No failure exists on the card.
On Green This card is in service.ACTIVE
Off None This card is either on standby (the STDBY LED is on) or has failed (the FAIL
LED is on).
12327/153 30-CRA 119 1170/1 Uen A | 2010-04-09
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