Nortel Circuit Card Installation Manual page 699

Table 220
XMFR receiver specifications (Part 3 of 3)
KP:
KP activation
Multiple KP's
Excessive Components:
The XMFR receiver specifications conform to the following:
• TR-NPL-000258, Compatibility Information for F.G.D. switched access
service, Bell Communication Research Technical Reference, Issue 1.0,
October 1985.
• TR-NPL-000275, Notes on the BOC Intra-LATA Networks, Bell
Communication Research Technical Reference, Chapter 6, 1986.
NTAG26 XMFR card
The receiver must not respond to signals prior to KP.
Remain unlocked until ST, STP, ST2P or ST3P is
received.
After the initial KP, subsequent KP's are ignored
while in unlocked mode.
If more than two valid frequencies are detected, no
digit is reported to the CPU.
Circuit Card
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Description and Installation