Grass Valley NV5256 v.1.8 - Manual (Page 49)

NV5256 Machine Control Router • User’s Guide 41
6. Specifications
Communication Port Specifications
Communication Port Specifications
Table 6-6. Communications Port and Related Specifications for the NV5256
Reference Port Specifications
Table 6-7. NV5256’s Reference Port Specifications
Parameter Specification
Serial communication
ports One primary DE9 female (CTRL1) and one secondary DE9 female (CTRL2) RS-
422 receptacles for each control card (4 in total).
Ports comply with the SMPTE 207M standard.
Signalling protocol and communication parameters are software-dependant.
Ethernet ports One RJ-45 connector (10/100baseT) for each control card (2 in total).
Connection speed is auto-negotiated. Port employs NVISION Ethernet protocol.
One BNC connector adhering to 10base2 specification for each control card (2 in
total). Connection shared between controllers. Use for inter-frame expansion
only.
Diagnostic ports One DE9 female diagnostic connector for each control card (2 in total).
Rear panel Software configured for RS-232 (default) or RS-422 interface specification.
Front edge of control
card RS-232 (9600, 8, N, 1)
Alarm ports One DE9 female receptacle (system-level alarms).
One 3-pin Phoenix receptacle (power supply alarm).
Parameter Specification
Video reference ports 2 looping BNC input pairs, one for each installed control module. External
terminators are required.
Ports accept NTSC, PAL or HD tri-level reference signals. Inputs may be of
differing rates. Redundant and dual modes are supported.
Return Loss > 30dB to 5MHz.
AES reference ports 2 BNC input receptacles, one for each installed control module. Ports accept
AES3id format signals at 48kHz sample rate
OR
2 Phoenix twisted pair screw terminal blocks, one for each installed control
module. Phoenix ports accept AES3 format signals at 48kHz sample rate.
Note: only one connector type may be used on each AES reference input.
24-bit silence.
Locked to the control card’s 24.576MHz clock.
Time-code reference
port Not used.