Samsung SPE-400 User Manual page 20

installation & connection
Connecting to the I/O port box
Connect the Alarm I/O signal to the corresponding port of the rear port box.
Port
D+(1~4) RS-485 Data Line
D-(1~4) RS-485 Data Line
S1~S4 Alarm In
Connecting to the RS-485 device
Connect the external device to the [RS-485 D+, D-] ports.
You can connect and control PTZ camera that supports RS-485 communication.

Depending on camera's type, connection polarity can be different.
For further information, refer to the corresponding PTZ Camera's documentation.
Connecting to the Alarm Input
Connect one signal cable (out of 2) of applicable sensor to the [S1] port, and the other to
the [G] port.
Connecting the Alarm Output
Connect one signal cable (out of 2) of applicable external device to the [RELAY OUT], and
the other to the [CM] port.

M
You must use the specific RS-485 alarm I/O ports for each channel.
20_ installation & connection
D1+ D1- D2+ D2- D3+ D3- D4+ D4- G S1 S2 S3 S4 G
ETHERNET
RS-485 SENSOR
D1+ D1- D2+ D2- D3+ D3- D4+ D4- G S1 S2 S3 S4 G
RS-485
Description
SD
POWER
+ -
R1 CM1 R2 CM2 R3 CM3 R4 CM4 SD CARD (CH1)
DC 12V
RELAY OUT
R1 CM1 R2 CM2 R3 CM3 R4 CM4
SENSOR RELAY OUT
Port
R1~R4 Alarm Relay Output
CM1~CM4 Alarm Out (Common)
G GND
Description