Kramer Electronics PL-18 - Manual (Page 7)

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Your PL-18 Control Port Expander
4
4 Your PL-18 Control Port Expander
Figure 1 and Table 1 define PL-18.
Figure 1: PL-18 Control Port Expander
Table 1: PL-18 Control Port Expander Functions
# Feature Function
1 ON LED Illuminates green when receiving power
2 RS-232 Tx/Rx LEDs Illuminate red while transmitting and green while receiving data on
an RS-232 port
3 IR LEDs Illuminate green when an IR port is active
4 RELAY LEDs Illuminate green when an relay is active (from 1 to 4)
5 PROGRAM USB Connector Connects to a computer to upgrade firmware
6 RELAY Terminal Blocks Connect to relay-driven devices (from 1 to 4)
7 IR OUTPUT 3.5mm Mini Jacks Connect to IR emitter cables (from 1 to 2)
8 RS-232/1 Terminal Block Connects to an RS-232 device that is controlled
9 RS-232/2 Terminal Block Connects to an external controller (PC, touch screen or RC device)
10 PROGRAM Switch For factory use only. Do not operate during firmware upgrade
11 5V DC +5V DC connector for powering the unit