Dataprobe 4PK-SCS - Manual (Page 9)

Model 4PK-SCS Page 9
Power Control Relay Connection
Connection to the four Power Control relays are made using four RJ11 modular jacks located on the
rear of the unit. The modular jacks are marked for Relays 1 - 4. Refer to Figure 4, Component
Locations. Dataprobe supplies A/C power and communications switches that can be used with the
4PK-CAS. The pin-outs of the modular jacks are designed to connect directly to Dataprobe’s relay
switches. In some cases a control cable, available from Dataprobe is required.
Model Description Connect to 4PK-CAS with
K-12A A/C Power Switch RJ11 Cord supplied with K-12A
K-515A 4 Outlet Power Strip Cable Supplied with K-515A
K-AB Series Communications A/B Cable SL-K7 Ordered Separately
To connect any other equipment to the relays, the following pin-out should be used:
Pin # Designation
2 Normally Open
5 Common
DB9 Female Connector for relay connection. These connections are in addition to the RJ11
connectors.
Pin # Designation
1 Normally Open Relay #1
2 Normally Open Relay #2
3 Normally Open Relay #3
4 Normally Open Relay #4
5 Board Ground
INTERNAL MODEM OPTION
Dataprobe offers the following internal
modem options with the 4PK-SCS:
MOD-24 2400bps Modem
MOD-144 14.4 Kbps Modem
MOD-336 33.6 Kbps Modem
These modem options, when ordered
with the 4PK-SCS are supplied factory
installed. They can also be ordered
separately for field installation.
Information on field installation is
supplied with the modem.
Connection to the dial line is made using a RS-232 to Modular Adapter, Model MA-CAS, supplied with
the modem. This adapter connects to the Master Port and to an RJ11 Modular Jack. The modem’s
FCC registration and AT command set are supplied in a separate document.
1
2 NO
3
4
5 COM
6
1 2 3 4 5
6 7 8 9
B
C D
MASTER
Modular
Adaptor
MA-CAS
Dial Line
Modular
Cord
A A A A
1 2 3 4
Relay
Control
Figure 6
Dial Line Connection
with Internal Modem
1-4
A
Figure 5
Modular Jack Pinout for
Relay Connections