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Transmit 64khz synchronization interface operation, Ransmit, Ynchronization – Rainbow Electronics DS26502 User Manual

Page 98: Nterface, Peration

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DS26502 T1/E1/J1/64KCC BITS Element

98 of 125

15.2 Transmit 64kHz Synchronization Interface Operation

In the transmit path, the framer will generate the appropriate AMI waveform with the correct bipolar
violations as described by G.703. If an 8kHz signal is present on the TS_8K_4 pin, the bipolar violations
will be generated synchronously with this signal. If it is absent, the part will arbitrarily generate the
bipolar violation at an 8kHz frequency.

Table 15-2. Specification of 64kHz Clock
Signal at Output Port

Frequency

a) 64kHz + 8kHz or
b) 64kHz + 8kHz + 400Hz

Load impedance

110

W resistive

Transmission media

Symmetric pair cable

Pulse width (FWHM)

£ 7.8 ± 0.78ms

Amplitude

£1 V

0-P

± 0.1 V