The PL-18 is a highly versatile port expander that adds RS-232, IR and relay ports to an RS-232 controller such as the Kramer RC-2, RC-62 and RC-63.
2 RS-232 Serial Ports
- One input (from RS-232 controller) and one output (to AV controlled devices).
4 Relay Contact Closure Ports
- Conveniently controls other room items related to the AV system such as raising and lowering drapes, the screen or the projector.
2 3.5mm for IR Emitter.
1 USB Port
- For firmware upgrade.
Compact Kramer TOOLS™
- 3 units can be rack mounted side-by-side in a 1U rack space with the optional RK-3T rack adapter.
PORTS:
2 bi-directional RS-232 ports on terminal block connectors; 1 USB.
OUTPUTS:
4 relays on terminal block connectors, 36V AC or DC, 1A, 60V AC max on non-inductive load; 2 IR outputs on 3.5mm mini jack connector.
LED INDICATORS:
ON (green), RS-232 (Tx-red and Rx-green), IR (green), relays (green).
POWER SOURCE:
5V DC, 260mA.
DIMENSIONS:
18.8cm x 11.4cm x 2.4cm (7.4" x 4.5" x 1.0") W, D, H.
WEIGHT:
0.6kg (1.4lbs).
ACCESSORIES:
Power supply 5V DC.
OPTIONS:
RK-3T 19" rack adapter, Kramer 3.5mm to IR Emitter Control Cable (C-A35/IRE-10), 15m and 20m IR emitter extension cables.
Controlling multimedia rooms, such as classrooms, auditoriums, conference rooms, and so on
 "PL-18-Control Port Expander")
