Grass Valley VM 3000 System Controllers v.7.4 - Manual (Page 49)

Introduction
1−11 VM 3000 Installation and Operating Manual
SI 3000 CONTROL PROCESSOR
Front panel controls: Active, Manual
Front panel indicators: Active, Manual, Power, Run
Front panel connectors
1, Probe (9−pin D female)
Rear panel connectors
1, Alarm (two−conductor contact closure)
1, Configuration (RS−422 from PC) (9−pin D female)
1, Redundant (control) (9−pin D female)
1, LAN (thin net) (BNC)
16, Serial Ports (RS−422/ESbus) (9−pin D female) (not for control of remote [third party] switchers)
1, Sync (reference), 1 V P−P to 4 V P−P, looping (BNC)
Port configurations: ports are configured in pairs. For example, ports 1 and 2 could be ESbus, ports 3 and 4 MPK bus, 5 and
6 Sony serial bus, etc.
Power requirements: 90 to 240 VAC 47−63 Hz auto ranging, 100 W max. power factor corrected
Environmental: Operational range 0 degrees to 40 degrees C, max. 95% humidity
VTR, CONTROL PANEL, GENERAL PURPOSE INTERFACE BUSES
Bus controller / LAN interfaces: VM/SI 3000 Control Processor, CM 4000 Control Module
Protocols supported: Grass Valley MPK, Ampex serial, ESbus, Sony serial, Grass Valley TCS 1, ESswitch (proposed ESbus
routing switcher protocol), ASCII, Philips DD Series
Cable/connectors: 4−conductor twisted pair plus ground / 9−pin D
Transmission speeds: 4800, 9600, 19.2, 38.4 kbits/sec
No. of tributaries (devices) per bus: 1−32, depending on speed requirements
Max. length per bus: 4003 ft (1220 m)
DISTRIBUTION SWITCHER CONTROL BUSES
Distribution switcher bus controller / LAN interfaces: VM 3000 Control Processor, CM 4000 Control Module