Contents
ix
Internal SDH Transmitter Clock (Options US1, [US5], A1T, [A1U],
A3R [A3S]) 77
Specification 77
Description 77
Equipment Required 77
Procedure 77
SDH Frequency Offsets (Options US1, [US5], A1T, [A1U], A3R
[A3S], 120) 79
Specifications 79
Description 79
Equipment Required 79
Procedure 79
External MTS Clock (Options US1, [US5], A1T, [A1U], A3R [A3S],
120) 82
Specifications 82
Description 82
Procedure 82
External MTS - 2MHz Clock 82
External MTS - 2MHz Data 83
BITS 1.5 Mb/s (Option 120 only) 83
External - MTS 64k Clock 84
STM-1 RX 84
84
STM-1 Transmitter Output Waveshape (Options US1, [US5], A1T,
[A1U], A3R [A3S], 120) 85
Specifications 85
Description 85
Procedure 85
STM-1 Receiver Monitor Input (Options US1, [US5]) 91
Specification 91
Description 91
Procedure 91