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ATN 950B Multi-service Access Equipment
Hardware Description
Front View
Table 4-5 Pins of the TOD interface
Front View
NOTE
Issue 03 (2012-07-23)
Pin
5
6
7
8
Pin
1
2
3
8
7
6
5
4 3
2
1
4
5
6
7
8
The TOD interfaces can be configured so that they can work in one of the preceding two working modes.
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4 AND1CXPA/AND1CXPB - System Control, Cross-
connect, and Multi-protocol Process Unit
Usage
Positive transmit end of external clock
Unspecified
Unspecified
Unspecified
Working Mode
External Time Input
(1PPS + Time
Information)
Unspecified
Unspecified
Negative input for the 1pps
signal
(RS422 level)
Grounding end
Grounding end
Positive input for the 1pps
signal
(RS422 level)
Negative input for time
information
(RS422 level)
Positive input for time
information
(RS422 level)
External Time Output
(1PPS + Time
Information)
Unspecified
Unspecified
Negative output for the 1pps
signal
(RS422 level)
Grounding end
Grounding end
Positive output for the 1pps
signal
(RS422 level)
Negative output for time
information
(RS422 level)
Positive output for time
information
(RS422 level)
32
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