Technical information

Technician’s Handbook
68
Checking the Receiver Allocation
Receivers allow devices which use DTMF signaling to communicate
dialing information to the PBX.
DTMF Receivers (DTMF Module)
DTMF receiver modules may be installed on a Universal Card. Each
Universal Card can contain up to four receiver modules; each receiver
module contains four receivers, for a total of 16 receivers.
BCC III (DSP Module)
Sixteen DTMF receivers are provided by a DSP module on a BCC III.
DTMF Receivers
(DSP on MCC IIIEL, MCC IIIELx, MCC IIIML, or MCC II)
Seven DTMF receivers are standard on each MCC
(CDE Form 04,Option 68).
CLASS / DTMF Receivers (SPINE Control Module II)
Seven DTMF receivers are standard on Control Module II. Receivers not
assigned as CLASS receivers are available to the system as DTMF
receivers. CLASS receivers are only available to the devices in the same
bay.
SPINE Receiver provisioning for CLASS trunks (CDE Form 04, Options
61-67) is provided in the following table.
Table 4: SX-200 SPINE Maximum Receiver Combinations Available
CLASS Receivers DTMF Receivers
0 7
1 6
2 5
3 4
4 3
5 1