4RF Aprisa XE User Manual page 129
4rf aprisa xe fixed point-to-point digital radio link
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Also See for Aprisa XE:
- User manual (182 pages) ,
- Technical paper (15 pages) ,
- Quick start manual (2 pages)
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Cross Connections | 128
Example 2
One 2 wire DFXS interface on the near end terminal slot E port 1 is cross connected via the radio link
to a framed E1 on the far end terminal slot D port 1 in timeslot 1. This cross connection includes four
bits of signalling as the DFXS signalling is configured as 'non-multiplexed signalling' (ABCD bits). This
cross connection uses 96 kbit/s of radio link capacity, 64 kbit/s for the voice and 32 kbit/s for the
signalling bits.
Another 2 wire DFXS interface on the near end terminal slot F port 1 is cross connected via the radio
link to a framed E1 on the far end terminal slot D port 1 in timeslot 2. This cross connection includes
one bit of signalling as the DFXS signalling is configured in '4 wire compatible' mode (A bit only). This
cross connection uses 40 kbit/s of radio link capacity, 32 kbit/s for the ADPCM voice and 8 kbit/s for
the signalling bit.
Example 3
One 2 wire DFXS interface on the near end terminal slot E port 1 is cross connected via the radio link
to a framed E1 on the far end terminal slot D port 1 in timeslot 1. This cross connection includes one
bit of signalling as the DFXS signalling is configured as 'multiplexed' signalling. This cross connection
uses 72 kbit/s of radio link capacity, 64 kbit/s for the voice and 8 kbit/s for the signalling bit.
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