Comtech EF Data CRS-200 REDUNDANCY SWITCH - Manual (Page 33)

CRS-200 COMTECH COMMUNICATIONS CORPORATION
CRS-200 REDUNDANCY SWITCH - OPERATIONS MANUAL PAGE 31
OPERATING MODE:
AUTO-OFF AUTO-ON (ENTER)
OPTIONS: ACTIVE MODEMS
HOLDOFFS ALARM MASK
ACTIVE MODEMS: (ENTER)
1 2 3 - 5 6 - 8 9 10
BACKUP HOLDOFF SEC: 05
RESTORE HOLDOFF SEC: 10
The user is prompted to turn Auto mode OFF or ON. When OFF
(Manual mode), the switch does not respond automatically the any
modem faults and simply performs whatever manual setting the user
performs on the previous menu. The STORED EVENT indicator blinks
when in Manual mode to alert the user that the switch is effectively not
in use.
(CONFIG) OPTIONS
The user is prompted to select various options concerning which
modems connected to the switch are active (available for bridging or
backing up) and how the switch will react to various faults.
(CONFIG, OPTS) ACTIVE MODEMS
The user is prompted to select which traffic modems should be
available for bridging and backing up. A ‘-‘ will appear in place
of the modem number if it is de-selected. If a traffic modem
interface is not plugged into any slot, that position will not be
allowed to be activated. If the switch is unable to read the
configuration of the modem in a particular position, that modem
is also not allowed to be activated. A modem must be active in
order for it to be manually or automatically bridged or backed
up.
(CONFIG, OPTS) HOLDOFFS
The user is prompted to set the holdoffs, or delay times between
the switch’s modem alarm detection and its reaction to the
event. These holdoffs are only applicable when the switch is in
Auto mode. When an active modem exhibits an unmasked fault,
the switch bridges it with the redundant and checks that the