1-5
Front Panel at a Glance
INDICATORS
ACCESS
This LED indicates the Electrical Interface is being accessed over the VXIbus backplane.
CODE
This LED is not used in the HP Broadband Series Test System.
SIGNAL
This LED indicates the presence of a signal at the input to the receiver.
LINE CONNECTORS
ELECTRICAL IN
This BNC connector provides a 75
Ω
unbalanced data input interface which accepts
incoming data for the receiver. The input data rate is 155.52 Mb/s, and the maximum
input amplitude is 0.5 V
pk
. The connector has open and short circuit protection and will
withstand a maximum input of
±
5 V.
ELECTRICAL OUT
This BNC connector provides a 75
Ω
unbalanced data output interface for outgoing
coded data. The maximum output amplitude of the CMI coded signal is 0.5 V. The con-
nector has open and short circuit protection and will withstand a maximum input of
±
5 V.
INTERMODULE CONNECTORS
TRANSMIT CLOCK IN
This SMA connector accepts the clock input from the HP E1697A. It is an ECL input,
and is terminated in 50
Ω
to
−
2 V dc (nominal).
TRANSMIT DATA IN
This SMA connector accepts data, in the binary NRZ format, from the HP E1697A. It is
an ECL input, and is terminated in 50
Ω
to
−
2 V dc (nominal).
RECEIVE CLOCK OUT
This SMA connector provides an output for the recovered clock signal for routing to the
HP E1697A. It is a low-impedance output giving nominal ECL levels, and requires a 50
Ω
to
−
2 V dc termination.
RECEIVE DATA OUT
This SMA connector provides an output for data, in the binary NRZ format, from the
receiver for routing to the HP E1697A. It is a low-impedance output giving nominal ECL
levels, and requires a 50
Ω
to
−
2 V dc termination.
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