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CHAPTER 3 System Messages
OPTN data
Note: This data displays when the Tenant number of the calling station is larger than 15, and b7 of displays
as “1” (otherwise, “0” displays at any time). While the four-bit data of is self-sufficient in verifying
Tenant 1-15, this OPTN data provides a supportive role to cover Tenant number ranging from 16 to 255.
Use the following method to analyze the data:
OG route number (HEX)
OPRT data
Note:This data displays when the OG Route number is larger than 63, and b6 of displays as “1” (otherwise,
“0” displays at any time). While the six-bit data of is self-sufficient in verifying the Route 1-63, this OPRT
data provides a supportive role to cover Route number larger than 63. Use the following method to analyze
the data:
b7 b3 b2 b1 b0
Tenant number of Calling Station (1-15) =0000 Tenant No.
OPTN data (0: fixed) b0 - b3 of
Tenant number of Calling Station (16-255) = OPTN data Tenant No.
OPTN data (variable) b0 - b3 of
b7 b6 b5 b4 b3 b2 b1 b0
b7 b3 b2 b1 b0
OG Route (1-63) =0000 OG Route No.
OPTN data (0:fixed) b0 - b5 of
OG Route (64 or larger) = OPTN data OG Route No.
OPTN data (variable) b0 - b5 of
6
5
5
5
b7: AC data
0/1=Internal trunk/External trunk
b6: OP data (0/1)
When OPRT data of is valid, “1” displays,
b0-b5: OG route number
• b6=0 Route number <64 Refer to the OPTN
• b6=1 63<Route number data of
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7
8
7
7
7