BRTS-100 ISDN TEST SET
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| TERMINATE SPEAKER | NORM | ||
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| 100 |
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POWER | OFF |
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ON |
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OFF |
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| TEST | STATUS | 8 |
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| P | POWER |
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| NT |
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| HA |
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| OM | PIN |
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| LEVEL - | RECEIVE | UX | |
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| “D” | TRANSMIT | 6dB |
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| GRN | “1” | ACTIVITY |
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IMPEDANCE |
| RED |
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CONTINUITY |
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INITIATE |
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LINE
8
B
Figure 2-1. The BRTS-100 ISDN Test Set.
2.3 Features
This compact, rugged ISDN S/T interface line test set provides many essential diagnostic functions. It’s easy to use, too, requiring very little knowledge about complex ISDN protocols. The Test Set:
•Verifies physical layer (Layer 1) parameters.
•Checks for D Channel Access.
•Is lightweight and
•Derives power from a
•Includes
•Can monitor a D Channel.
•Samples every frame on the line (one every 250 microseconds).
•Supports various modes of operation for fault isolation.
•Can be used in either passive bus or
•Verifies DC Continuity.
•Features Power Indication lamps that indicate battery presence and polarity.
•Generates a
•Includes a speaker that allows audio monitoring of line activity.
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