Panasonic KX-TD500 System Reference Manual page 1482

3.04 Port Status (Expansion Shelf 1) screen
Device Status (4/6)
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 (Expansion Shelf #1)
Slot 00000000011111
12345678901234
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
00000000011111
12345678901234
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
5 6 HRD CPY 7
15-G-6
ONL TST
8