VME-EVR-300¶
VME-EVR-300 Front Panel Connections¶
The front panel of the Event Receiver includes the following connections and status leds:
Connector / Led |
Style |
Level |
Description |
|---|---|---|---|
HS |
Red Led |
Module Failure |
|
HS |
Blue Led |
Module Powered Down |
|
ACT |
3-color Led |
SAM3X Activity Led |
|
USB |
Micro-USB |
SAM3X Serial port / JTAG interface |
|
10/100 |
RJ45 |
SAM3X Ethernet Interface |
|
IN0 |
LEMO |
TTL (3.3V / 5V) |
FPTTL0 Trigger input |
IN1 |
LEMO |
TTL (3.3V / 5V) |
FPTTL1 Trigger input |
UNIV0/1 |
Universal slot |
Universal Output 0/1 |
|
UNIV2/3 |
Universal slot |
Universal Output 2/3 |
|
UNIV4/5 |
Universal slot |
Universal Output 4/5 |
|
UNIV6/7 |
Universal slot |
Universal Output 6/7 |
|
The output signals come through CML/GTX logic block 0/1 |
|||
CML0 |
LEMO EPY |
CML |
Mapped as Universal Output 8 |
The output signals come through CML/GTX logic block 2 |
|||
CML1 |
LEMO EPY |
CML |
Mapped as Universal Output 9 |
The output signals come through CML/GTX logic block 3 |
|||
Link TX (SFP) |
LC |
Optical 850 nm |
Event link Transmit |
Link RX (SFP) |
LC |
Optical 850 nm |
Event link Receiver |
VME TTL Input Levels¶
The VME-EVR-300 has two front panel TTL inputs. The inputs have a configurable input termination than can be set by a jumper. The input can be terminated with 50 ohm to ground or 220 ohm to +3.3V. The front panel inputs are 5V tolerant even when powered down.
Input specifications are following:
parameter |
value |
|---|---|
connector type |
LEMO EPK.00.250.NTN |
input impedance |
50ohm |
VIH |
> 2.3 V |
VIL |
< 1.0 V |