
26
7100 Series Installation/Operating Manual —
P/N 9000-0447:J 08/28/08
Section 3: Basic System Module (BSM)
3.1 BSM Wiring Connections
Table 3.1.1 lists the field wiring connections for the Basic System Module (BSM).
Designation Description
Comments
TB1-1
NAC Circuit 1 (+) Class B, Style Y
TB1-2
NAC Circuit 1 (-) Class B, Style Y
TB1-3
NAC Circuit 1 (+) Class B, Style Y
TB1-4
NAC Circuit 2 (-) Class B, Style Y
TB2-1
TRBL
Trouble contacts, N/O, 2A @ 30 VDC (resistive)
TB2-2
TRBL
Trouble contacts, Common
TB2-3
TRBL
Trouble contacts, N/C
TB2-4
ALM
Alarm contacts, N/O, 2A @ 30 VDC (resistive)
TB2-5 ALM Alarm
contacts,
Common
TB2-6 ALM Alarm
contacts,
N/C
TB2-7 Transfer
control
TB2-8 Not
used
TB3-1
Signaling Line Circuit 1 (+) Class B, Style 4
TB3-2
Signaling Line Circuit 1 (-) Class B, Style 4
TB3-3
Signaling Line Circuit 2 (+) Class B, Style 4 (7100-2, -2D only)
TB3-4
Signaling Line Circuit 2 (-) Class B, Style 4 (7100-2, -2D only)
TB4-1
Resettable Power, 24 VDC 1.0 amp
TB4-2
Non-resettable Power, 24 VDC 1.0 amp
TB4-3 System
Common
TB4-4 Earth
Ground
TB5-1
COM B
To LCD-7100 TB1-2
TB5-2
COM A
To LCD-7100 TB1-1
TB5-3, -4
Not used
TB6-1
AC “Hot”
120 VAC “Hot”, 50/60 Hz 2A, 240 VAC “Hot”, 50/60 Hz 1 amp
TB6-2 Ground
Ground
TB6-3
AC Neutral 120 VAC Neutral, 240 VAC “Hot”
TB7-1
Batt+
Battery terminal (+)
TB7-2
Batt-
Battery terminal (-)
TB9-1
DACT
Line 1 Tip In (non-power-limited) From street
TB9-2
DACT
Line 1 Ring In (non-power-limited) From street
TB9-3
DACT
Line 1 Tip Out (non-power-limited) To phone
TB9-4
DACT
Line 1 Ring Out (non-power-limited) To phone
TB9-5
DACT
Line 2 Tip In (non-power-limited) From street
TB9-6
DACT
Line 2 Ring In (non-power-limited) From street
TB9-7
DACT
Line 2 Ring Out (non-power-limited) To phone
TB9-8
DACT
Line 2 Ring Out (non-power-limited) To phone
Table 3.1.1 BSM Field Wiring Connections