DS2180A transceiver equivalent, t1 transceiver.
Single chip DS1 rate transceiver Supports common framing standards
– 12 frames/superframe “193S”
– 24 frames/superframe “193E” Three zero .
Selectable 0, 2, 4, 16 state robbed bit signaling modes Allows mix of “clear” and “non-clear” DS0 channels on same DS1 l.
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