Kramer Electronics VP-1201 User Manual

Page 30

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Connecting a VP-1201 12x1 XGA Switcher / Scanner

5.5.2

Connecting Several VP-1201 Units – Input Expansion Configuration

You can cascade up to 8 interconnected

VP-1201 units to form an input

expansion configuration.
To connect several

VP-1201 units in the Input Expansion configuration (see

Figure 26), do the following:

1. Connect the video sources and acceptor

(see section 5).

2. Connect the RS-232 port on the first

VP-1201 unit to the PC using the

Null-modem adapter provided with the machine

(recommended see

section 5.2).

3. Connect the RS-485 terminal block port on the first

VP-1201 unit to the

RS-485 port on the second

VP-1201 unit and so on, connecting all the

RS-485 ports.

4. Interconnect the HD15F BUS connector and HD15F BUS LOOP

connector between the

VP-1201 units as follows:

Attach the Cable’ s first 15-pin HD connector to the 15-pin HD BUS

connector on the first

VP-1201 unit

Attach the Cable’ s second 15-pin HD connector to the 15-pin HD

BUS Loop on the second

VP-1201 unit

Continue attaching the 15-pin HD connectors on each

VP-1201 unit,

up to and including the last

VP-1201 unit

5. Set the dipswitches on the

VP-1201 units as follows:

Make sure that the CASCADE dipswitches on all machines are set to

the ON position
Set the MACH # on all units to the same number. For example, set

all the dipswitches on all the connected

VP-1201 units to MACH # 2

(according to Table 10)
Set the MACH. ADDR. dipswitches on the first

VP-1201 unit

(connected to the controller) to Machine Address 1. Set the following

units to Machine Address 2, Machine Address 3, and so on – up to

the last connected

VP-1201 unit (according to Table 9)

Set RS-485 TERM dipswitch ON on the first (Master) and last

VP-1201 units (Terminating the RS-485 line) and set OFF on the

remaining units
Set other dipswitches according to section 5.7.3 (SCAN) and section

5.7.5 (VALID ONLY)

Connect the acceptor to the output of any one of the connected units

Or connect via the ETHERNET port as section 5.6 describes