USER MANUAL
HDMI MATRIX ROUTER : OHM-88
OHM-88 Manual
Page 10
1.7.2
Rack Mounting
Before installing cables, attach two rack ears on left and right side of OHM-88
using the supplied screws.
1.7.3
Control Connection
Commands and functions of OHM-88 are transferred through the RS-232 and
Ethernet connection.
1.7.4
RS-232 Control
Connect the OHM-88 to a video controller or PC with the supplied RS-232 cable.
1.7.5
Ethernet Control
Connect the OHM-88 to a video controller or PC with the RJ-45 connector/cable.
1.7.6
Direct connection of PC or video controller to the OHM-88: Use a crossover
Ethernet cable.
Typically, a PC is connected to the network and configured for dynamic IP ad-
dress by a network DHCP server. If the PC is connected directly to the OHM-88,
the network server will not be able to address the PC.
In this case, the PC should be manually set in a static IP address. Refer to Set-
ting the PC IP address in Chap. 2.8.1.
1.7.7
LAN connection of OHM-88: Direct Ethernet connection.
OHM-88 is configured at the factory with the default IP address of 192.168.0.88.
Before connecting to your network, verify the IP address on your network.
The IP address can be reconfigured by front key buttons or command lines over
RS 232 and Ethernet.
2
Communications Setup
2.1 Setting the Router ID of OHM-88
If multiple units of OHM-88 with a video controller or PC controller are used, each
OHM-88 should be identified with the DIP switch located on the rear panel marked as
Router ID. Each DIP switch has 8 digits, one (1) at the up position and zero (0) at the
down position; possible ranges are 000 to 255 and the default factory setting is 255.
