3
Application
The line card interfaces and is compatible with the equipment listed in
Table 1.
Table 1
Line card application and compatibility
Equipment Specifications
NE-500 type rotary dial
sets (or equivalent)
Dial Speed
8.0
to 12.5 pps
Percent Break
58
to 70%
Interdigital Time
240
ms
NE-2500 type Digitone sets
(or equivalent)
Frequency Accuracy
+
1.5%
Pulse Duration
40
ms
Interdigital Time
40
ms
Speed 12.5 digits/s
Analog message waiting line card description 553-3001-l 63
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