User's Manual

Page 10
724-746-5500 | blackbox.com
Chapter 4: TL500A Program Registers
Register 01 — Mode Flags
(Continued from previous page)
Flag Function Value Description
Flag 6 (Bit 2) Busy Signal 1 (on) Determines if a device trying to
access the line when the line is
already in use will hear a busy
tone or dead air.
Flag 7 (Bit 1) Enable Multi-Port
Polling
0 (off) Allows transfer to another
device when communication
with the first device addressed
is complete.
Flag 8 (Bit 0) Night Watch Mode
to Device 3
0 (off) Determines if night watch
transfers are transferred to
device 3. (Default night watch
port is device 2.)
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 one-half seconds and controls the amount
of “ringtime in the ring cadence. Factory preset to 4 (2 seconds).
REGISTER 03 — Cadence Off Time
This register can range from 1 to 15 in one-half seconds and controls the length
of silent time between each ring. Factory preset to 8 (4 seconds).
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.