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T1/E1 FIBEROPTIC LINE DRIVER
2.2.3 T1 I
NTERFACE
The T1 interface fully complies with requirements of AT&T PUB 62411 and G.703.
Two types of line coding can be used: AMI or B8ZS. Select the T1 interface by
setting the INTERFACE switch to the left position.
2.2.4 E1 I
NTERFACE
The Line Driver’s E1 interface fully complies with the applicable CCITT
recommendations (pulse mark and HDB-3 line coding per CCITT Rec. G.823).
Select the E1 interface by setting the INTERFACE switch to the middle position
for balanced signals or to the right position for unbalanced signals.
