Adjuncts and Peripherals
Malicious call trace
SI Installation and Upgrades 835
June 2004
Malicious call trace
The malicious call trace (MCT) voice recorder connects directly to the tip and ring connections of a
TN763/D auxiliary trunk circuit pack. See Figure 326
. The 909A/B universal coupler provides seizure
control to the recorder.
Figure 326: Malicious call trace
NOTE:
A wiring block must be locally engineered.
NOTE:
909A couplers ships with one DW4B-DE cable and two DW8B-SE cables. The 909B
ships with one KS-22911L2 power supply, one DW4B-DE cable, and two DW8B-SE
cables.
1 Determine the port assignment of the recorder from the malicious call tracing form.
2 Install the 909A/B universal coupler on a vertical surface.
3 Connect the SZ, SZ1, S, and S1 leads from the 909A/B to an auxiliary trunk circuit pack.
a Tip and ring connect from the voice recorder to the auxiliary trunk circuit pack (J1 on the
909A/B).
b CBS1/C1 and CBS2/C2 connect from the voice recorder to J2 on the 909A/B.
Figure notes
1 Malicious call trace voice recorder
2 25-pair cable (T, R, S, S1, Sz, SZ1) to
TN763/D auxiliary trunk circuit pack
3 909A/B universal coupler
4 Power supply for universal coupler
5 To SZ1 on TN763/D connector
6 Tip and ring wires
7 CBS1/C1 and CBS2/C2
c
df038 PDH 091696
J2
J3
J1
5
2
7
7
8
2
3
6
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