Release Notes

Release Notes for Cisco ONS 15454 SDH Release 4.1.3

OL-4984-01

Caveats

G1K-4 cards with the CLEI code of WM5IRWPCAA (manufactured after August 2003) are expected to

support CWDM and DWDM GBICs, but final qualification testing was not complete at press time. The

online version of the 4.1 user documentation and release notes will be updated to reflect the final

qualification status of CWDM and DWDM GBICs on the G1K-4 card with the CLEI code of

WM5IRWPCAA, when this information is available.

Note Operating temperature of the DWDM GBICs is -5 degrees C to 40 degrees C.

DDTS # CSCdw92634

SDH DS3-i and E3 electrical cards only support a VC4 J1 trace string setting for all VC4s together. You

cannot set the J1 byte for individual VC4s. This issue is a limitation of hardware.

Note VC3 J1 strings can be set individually, but the optical cards cannot monitor the VC3 J1 string.

DDTS # CSCdy00622

Very rarely, an Equipment Failure Alarm can occur on an externally timed TCC+ or TCC-I card after a

reset. If this occurs, BITS will be displayed as good for one TCC, but bad for the other. If the issue occurs

on the standby TCC, a second reset could clear the problem. If the issue occurs on the active TCC, the

card must be replaced. This issue is closed, as it does not occur with TCC2, and is otherwise very rare.

DDTS # CSCdw14501

Interconnection Equipment failure alarms may be generated at 55 degrees C, and 72 volts. When the

operating environment is at 55 degrees C and 72 volts, interconnection equipment failure alarms for the

following cards can occur:

• STM16SH

• STM64LH

• STM16LH

• XC10G

The alarms could potentially occur on any of these boards, as well: OC48AS, GigE, OC192 or

OC192LR. This issue will be resolved in a future release.

DDTS # CSCdw50903

E1-14 boards with second source components can incur bit errors under extreme environmental

conditions. When these boards operate under voltage and temperature stress conditions and a

temperature ramp rate of 1 degree per minute, the boards could exhibit dribbling bit errors at high

temperatures: BER = 5.5e-6. To avoid this, you must apply the temperature ramp rate at 0.5 degree per

minute. This ramp rate complies with the NEBS standard; however, this issue will be revisited in a future

release.