2 Summary
Application -
The line circuit interfaces and is compatible with the equipment listed in
Table 1.
Table 1
Line circuit application and compatibility
Equipment Specifications
NE-500 type rotary dial
sets (or equivalent)
Dial Speed 8.0 to 22.5 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 line card description 553-3001-l 61