Panasonic KX-TD500 System Reference Manual page 1525

1.04 Port Status (Expansion Shelf 1) screen
Command Format
OPE>SYM 4
Device Status (4/6)
DTMF 1
Rec
I: In Service, O: Out of Service, F: Fault, B: Busy Out
Description
DTMF Rec Status of DTMF receiver
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
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 (Expansion Shelf #1)
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
Slot 000000000111
123456789012
09 I I
10 I I
P 11 I I
o 12
I I
r 13 I I
t 14 I I
15
I I
16 I I
DTMF 3 I I
Rec 4 I I
16-F-5
ONL TST