5-28
October, 1998
GRF 400/1600 Getting Started - 1.4 Update 2
Cabling and Verifying Media Cards
SONET OC-3c media card
SONET OC-3c media card
The SONET OC-3c media card provides a single redundant full-duplex interface and has
hardware-enhanced route table lookup. The SONET card is available in single and multimode
versions. Figure 5-26 shows a SONET OC-3c faceplate.
The SONET card provides redundant link connections across two physical interfaces. Only
one logical interface is supported. By default, the upper link (A) is active. Use this interface if
you are not setting up redundant links. If the active link is terminated, the redundant interface
automatically becomes active.
Figure 5-26. SONET OC-3c single mode media card faceplate
Laser safety
The SONET OC-3c single mode media cards contain a Class 1 laser product. The Class 1 laser
diode is an integral part of the transceiver module.
Warning:
Only authorized service personnel should attempt to repair this equipment. All
problem discovery and repair procedures are detailed to allow only subassembly/module level
repair. Because of the complexity of the individual boards and subassemblies, no one should
attempt to make repairs at the component level or to make modifications to any printed wiring
board. Improper repairs can create a safety hazard.
Warnung
:
Lebenensgefahr
Achtung, nur authorisiertes Kundendiestpersonal darf dieses
Geraet reparieren. Alle Fehler- und Reparaturvorschriften sehen nur den Austausch von
Baugruppen oder Module vor. Wegen der Komplexitaet der einzelnen Platinen und
Baugruppen soll niemand versuchen Reparaturen auf der Bauteilebene oder Modifikationen an
den Platinen vorzunehmen. Falsche Reparaturen koennen lebensgefaehrlich sein.
SONET
OC-3c
SM
B
A
RCV A
C
T
XMT A
C
T
LINK OK
PWR ON
F
A
UL
T
S
TAT
0
S
TAT
1
SONET
SM-4MB
(g0137)
RCV A
C
T
XMT A
C
T
LINK OK
LASER ON
LASER ON
CLASS 1 LASER PRODUCT
KLASSE 1 LASER PRODUKT
(g0079)
