Accessories I/O Port - GE Kalatel 0150-0255C User Manual

RS-232 Serial Port
Use a Null Modem cable when connecting to a
PC. When connecting to a multiplexer, it may
be necessary to construct a cable using the pin-
out documentation of the MUX as a guide. See
the pin-out configuration for the VDR below.
DB-9 Pin Configuration for Serial Port
Pin Use
1 DCD
2 RX
3 TX

1.8 Accessories I/O Port

The back panel of the unit is equipped with an Accessories Port (DB-9 style connector) for
connecting peripheral devices such as alarm devices, alarm relays, or the VEXT connection.
Do not attempt to wire accessories directly to the DB-9 connector.
Pin Use
1 Alarm In
2 Alarm Out
3 Record
Start In
Alarm In
An alarm condition can be activated by an Active Low TTL input
or by relay contact devices such as pressure pads, passive
infrareds, door switches, or other similar devices.
Kalatel VDR
Pin Use
4 Not Connected
5 Ground
6 Not Connected
Pin Use
4 Alarm Record
Reset
5 VEXT Pulse
Out
6 Error Out
Figure 1-4 Normally Open Relay Alarm Connection
A l a r m I n p u t
Pin 1
G r o u n d
Pin 7 or 10
A c c e s s o r i e s P C B
1-4
Connector Type: DB-9
Gender (on unit): Male
Cable Required (Connected to PC): Null Modem
Cable Required (Connected to Multiplexer):
Variable, depending on pin-out configuration of
MUX.
Pin Use
7 RTS
8 CTS
9 Not Connected
Pin Use
7 Ground
8 Videoloss Out
9 Disk End Out
Input: Active Low TTL w/ pull-ups
or Normally Open Relay.
High: 5V (12V tolerant)
Low: Ground
N o r m a l l y O p e n
( C l o s e s D u r i n g A l a r m )
T y p i c a l A l a r m D e v i c e
R e f e r t o e a c h a l a r m d e v i c e s ' s
m a n u a l f o r s p e c i f i c w i r i n g d e t a i l s .
RS-232
1 5
6 9
DB-9 Connector on
Back Panel
I/O
1 5
6 9
DB-9 Connector on
Back Panel
Minimum Duration: 0.5 Seconds
0150-0255C