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A. Connectors and Pin Assignments
Model 4210 ALARM/BITS Connector
The alarm relay reports major alarms through the ALARM connector (top row of
contacts on the ALARM/BITS terminal block) on the front panel of the GranDSLAM
Model 4210. The BITS connector (bottom row of contacts, pins 1–3) is for future
use.
Table A-4. Model 4210 ALARM/BITS
Models 4220/4230 ALARM/BITS Connector
The alarm relay reports major alarms through the ALARM connector (top row of
contacts on the ALARM/BITS terminal block) on the front panel of the GranDSLAM
Models 4220 and 4230. The BITS connector (bottom row of contacts, pins 1–5) is
for future use.
Table A-5. Models 4220/4230 ALARM/BITS
A-4
Connector Pinouts
Signal
BITS Tip
BITS Ring
BITS Shield
Major Alarm
Common
Minor Alarm
Connector Pinouts
Signal
BITS Tip
BITS Ring
BITS Shield
—
—
Major Alarm
Common
Minor Alarm
Alarm Sense +
Alarm Sense –
October 2002
Direction Pin
In
1
In
2
Ground
3
Out
4
Out
5
Out
6
Direction Pin
In
1
In
2
Ground
3
—
4
—
5
Out
6
Out
7
Out
8
In
9
In
10
4200-A2-GN20-10
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