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A. Connectors and Pin Assignments
A-4
October 2002 4200-A2-GN20-10
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.
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-4. Model 4210 ALARM/BITS
Connector Pinouts
Signal Direction Pin
BITS Tip In 1
BITS Ring In 2
BITS Shield Ground 3
Major Alarm Out 4
Common Out 5
Minor Alarm Out 6
02-17340
3 2 1
6 5 4
Table A-5. Models 4220/4230 ALARM/BITS
Connector Pinouts
Signal Direction Pin
BITS Tip In 1
BITS Ring In 2
BITS Shield Ground 3
——4
——5
Major Alarm Out 6
Common Out 7
Minor Alarm Out 8
Alarm Sense + In 9
Alarm Sense – In 10
02-17341
5 4 3 2 1
10 9 8 7 6