Panasonic KX-TD500 System Reference Manual page 1481

3.03 Port Status (Basic Shelf) screen
Device Status (3/6)
DTMF 1
Rec
I: In Service, O: Out of Service, F: Fault, B: Busy Out
1 COMMON 2
Description
DTMF Rec Status of DTMF receivers
Two DTMF receivers are provided
on each SLC, HLC, OPX and MSLC
card respectively.
Four DTMF receivers are provided
on each DHLC and ESLC card
respectively.
The system administrator can change the status of a
CO trunk port from "Busy Out" to "INS" by entering INS
command.
In the above screen a blank indicates that a port is not
assigned to the system.
Port Status (Basic Shelf)
Slot 000000000111
123456789012
1
I I O I
2
I I O O
P 3
I I O O
o 4
I I B O
r 5
I I B O
t 6 I I B O
7
I I B O
8
I I B O
I I I I
2
I I I I
3 4
Slot
000000000111
123456789012
09
I
10 I
P 11 I
o 12
I
r 13 I
t 14
I
15 I
16 I
DTMF 3 I
Rec 4 I
5 6 HRD CPY 7
15-G-5
ONL TST
I
I
I
I
I
I
I
I
I
I
8