Chapter 4: TL500A Program Registers
Register 01 — Mode Flags (Continued from previous page)
Flag | Function | Value | Description | |
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Flag 6 (Bit 2) | Busy Signal | 1 | (on) | Determines if a device trying to |
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| access the line when the line is |
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| already in use will hear a busy |
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| tone or dead air. |
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Flag 7 (Bit 1) | Enable | 0 | (off) | Allows transfer to another |
| Polling |
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| device when communication |
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| with the first device addressed |
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| is complete. |
Flag 8 (Bit 0) | Night Watch Mode | 0 | (off) | Determines if night watch |
| to Device 3 |
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| transfers are transferred to |
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| device 3. (Default night watch |
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| port is device 2.) |
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The operation modes (flags) can be programmed to meet the specifications that your system requires to function optimally.
REGISTER 02 — Cadence On Time
This register can range from 1 to 6 in
REGISTER 03 — Cadence Off Time
This register can range from 1 to 15 in
REGISTER 04 — Maximum Number of Rings to a Device
This register can range from 1 to 99 and controls the amount of rings sent to a device port. Factory preset to 8 rings.
REGISTER 05 — Night Watch Mode Trip Rings
This register contains the number of rings that are required to trip the Night Watch Mode function. After an incoming call has been screened, the number of rings to the phone port are counted, and if the phone is not answered in “X” rings, this call and all future calls will be diverted to the Device port 2. This register can range from 1 to 15. Factory preset is 5 rings.
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