7705 SAR Interfaces
7705 SAR OS Interface Configuration Guide Page 117
ds1-unframed — specifies DS1 unframed (G.703) mode for DS1 interfaces. DS1 unframed mode is
only applicable if the encapsulation type is set to cem or ppp-auto.
framing (E1)
Syntax framing {no-crc-g704 | g704 | e1-unframed}
Context config>port>tdm>e1
Description This command specifies the E1 framing to be used for the port.
The e1-unframed parameter allows the configuration of an unstructured E1 channel on a T1/E1
ASAP Adapter card. When an E1 unframed channel is shut down, it sends the AIS pattern to the
far-end E1. The far end does not react to the AIS pattern if the far-end E1 is configured as unframed.
If the far-end E1 is configured as framed, the far end declares AIS. The operational status remains up
and no alarms are generated while the near end is operationally down. This is normal behavior for
unframed G.703 mode.
Default no-crc-g704
Parameters g704 — configures the E1 port for G.704 framing
no-crc-g704 — configures the E1 port for G.704 framing with no CRC4
e1-unframed — specifies E1 unframed (G.703) mode for E1 interfaces. E1 unframed mode is only
applicable if the encapsulation type is set to cem.
hold-time
Syntax hold-time [up hold-time-up] [down hold-time-down]
Context config>port>tdm>ds1
config>port>tdm>e1
Description This command configures the DS1/E1 link dampening timers in 100s of milliseconds, by guarding
against reporting excessive interface transitions. This is implemented by not advertising subsequent
transitions of the interface to upper layer protocols until the configured timer has expired.
Default no hold-time
Parameters up hold-time-up — configures the hold-timer for link-up event dampening. A value of zero (0)
indicates that an up transition is reported immediately.
Values 0 to 100 (in 100 ms)
down hold-time-down — configures the hold-timer for link-down event dampening. A value of zero
(0) indicates that a down transition is reported immediately.
Values 0 to 100 (in 100 ms)
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