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Cisco ONS 15454 Reference Manual, R7.0
78-17191-01
Chapter 4 Optical Cards
4.16 4.16 OC192 LR/STM64 LH 1550 Card
Figure 4-18 Enlarged Section of the OC192 LR/STM64 LH 1550 (15454-OC192-LR2)Faceplate
Caution You must use a 19 to 24 dB (14 to 28 dB for 15454-OC192-LR2) (20 dB recommended) fiber attenuator
when connecting a fiber loopback to an OC192 LR/STM64 LH 1550 card. Never connect a direct fiber
loopback. Using fiber loopbacks causes irreparable damage to the card. A transmit-to-receive (Tx-to-Rx)
connection that is not attenuated damages the receiver.
You can install OC192 LR/STM64 LH 1550 cards in Slots 5, 6, 12, and 13 and provision the card as a
drop or span card in a two-fiber or four-fiber BLSR, path protection, ADM (linear) configuration, or as
a regenerator for longer span reaches.
COMPLIES WITH 21 CFR 1040.10
AND 1040.11 EXCEPT FOR
DEVIATIONS PURSUANT TO
LASER NOTICE No.50,
DATED JULY 26, 2001
!
MAX INPUT
POWER LEVEL
-7 dBm
RX
115226
COMPLIES WITH 21 CFR 1040.10
AND 1040.11 EXCEPT FOR
DEVIATIONS PURSUANT TO
LASER NOTICE No.50,
DATED JULY 26, 2001
FAIL
ACT/STBY
SF
TX
1
RX
!
MAX INPUT
POWER LEVEL
-7 dBm
RX
1550