Specifications
Known issues with
firmware v4.7 fdr 35
39
6.5.8. Standby port disable/enable causes active port
toggle
(BZ#: 9105)
Description: Two redundant mode DMR3G modules are connected together via ports 1 and 2 trunk
ports. User ports 3 (active) are connected to traffic source. Ports 4 are standby. If user issues shutdown /
no shutdown commands on the standby user port 4, which is not a common occurrence, the active
user port 3 will toggle to become standby and then active again. This will result in momentary traffic loss.
Suggested Work-Around: None. Generally, there is no reason to disable/enable a standby port.
Customer Impact: Moderate to severe. Momentary traffic loss will occur.
Corrective Action: This issue will be addressed in future software upgrades.
6.5.9. HDTV (1.485 GHz) not recommended as a protocol
option for the DMR3G3R
(BZ#: 9259)
Description: The DMR3G3R CDR range is at the edge of the operation for the HDTV making it work
in some cases but not others. It is recommended to set the protocol to transparent for HDTV applications.
Suggested Work-Around: Use transparent protocol for HDTV applications.
Customer Impact: Minimal.
Corrective Action: This issue will be addressed in future software upgrades.
6.6. EM316OSSH issues
6.6.1. Stability of Module with Threshold Settings
(BZ#: 838,859)
Description: Traffic passing through the EM316OSSH becomes unstable if the desired threshold
level is identical for both trunk ports (set around -40db level). The result is that both ports will alternate
between the enable and disable state. This is a parameter that is modified in the initial stages of the
installation and should not be modified at run time, unless input level changes.
Suggested Work-Around: The desired threshold levels must be set at least -2db apart for both trunk
ports in comparison to the input levels of each respective trunk port.
Customer Impact: Critical : affects basic functionality and may interrupt data transmission.
Corrective Action: This issue will be addressed in future software upgrades.