Comtech EF Data CDM-760, Installation And Operation Manual

Page: 158 / 441

Front Panel Operation Revision 4
CDM-760 Advanced High-Speed Trunking Modem MN-CDM760
6–69
6.2.6.4 (Utility:) CID
Appendix H. CARRIER ID (DVB-CID MetaCarrier®)
CID: Lat:33
⁰
25.43’N Long:111
⁰
58.28’W
State:On Telephone Message
(

)
Use the
 
arrow keys to select a parameter. Press ENTER .
6.2.6.5 (Utility:) 1:1
1:1: Manual/Auto Force Status
Use the   arrow keys to select a parameter. Press ENTER
.
(Utility: 1:1) Manual/Auto
1:1 Redundancy: Manual
Use the  arrow keys to select
Manual
or
Auto
. Press
ENTER
. The operational states for 1:1
Redundancy are as follows:
•
Manual – The currently active modem remains
Online
regardless of any current or future
faults.
Online
and
Offline
(Standby) modems remain in this state until you Force the
switchover.
•
Auto – The redundancy switch chooses which modem is
Online
based on fault conditions:
o
If the original
Online
modem, Unit ‘A’ becomes faulted, then switch occurs to the
Offline
modem, Unit ‘B’ only if it is fault-free.
o
Switchover back to Unit ‘A’ occurs only if the Standby Unit ‘B’ – now the Online unit –
becomes faulted and Unit ‘A’ is clear of any faults. Operation cannot revert to the
original
Online
modem, Unit 'A, until it clears its faults.
(Utility: 1:1) Force
This Unit is in Standby (1:1 only)
This screen identifies the state for, and allows you to execute, a forced switchover as follows:
Message Description
1:1 redundancy is Not Connected
This message indicates that the modem’s rear panel J2 | REDUNDANCY
connector is not connected to a supported 1:1 redundancy switch such as
the CRS-170A or CRS-180.