HFCT-5201A Agilent Technologies, Inc., HFCT-5201A Datasheet - Page 8

• Manufacturer Part Number: HFCT-5201A
• Description: 155 Mb/s Single Mode Fiber Transceiver For Atm, Sonet OC-3/SDH STM-1 -40C to +85C Black Case
• Manufacturer: Agilent Technologies, Inc.

Table 2. Pin Out Table
8
Mounting Studs
1
10
11
12
13
14
Pin
2
3
4
5
6
7
8
9
Symbol
N/C
N/C
N/C
N/C
L
L
N/C
P
T
V
TD+
TD-
V
V
MON
MON
MON
X DIS
EET
CCT
CCR
(-)
(+)
Functional Description
circuit board.
Laser Bias Monitor (-)
placed between high impedance resistors connected to pins 5 and 6 internal to the
Laser Bias Monitor (+)
placed between high impedance resistors connected to pins 5 and 6 internal to the
Power Monitor
output range per the following relationships:
High Light Indication: V
Normal Operation: V
Low Light Indication: V
Directly connect this pin to the transmitter signal ground plane.
Provide +5 V dc via the recommended transmitter power supply filter circuit.
Locate the power supply filter circuit as close as possible to the V
Receiver Power Supply
Provide +5 V dc via the recommended receiver power supply filter circuit.
Locate the power supply filter circuit as close as possible to the V
The mounting studs are provided for transceiver mechanical attachment to the circuit board.
They are embedded in the non-conductive plastic housing and are not connected to the
transceiver internal circuit. They should be soldered into plated-through holes on the printed
This analog current is monitored by measuring the voltage drop across a 10 ohm resistor
transceiver.
This analog current is monitored by measuring the voltage drop across a 10 ohm resistor
transceiver.
Transmitter Disable
Transmitter Output Disabled: V
Transmitter Output Uncertain: V
Transmitter Output Enabled: V
The analog voltage measured at this high impedance output provides an indication of whether
the optical power output of the Laser Diode is operating within the normal specified power
Transmitter Signal Ground
Transmitter Data In
Terminate this high-speed, differential Transmitter Data input with standard PECL techniques at
the transmitter input pin.
Transmitter Data In Bar
Terminate this high-speed, differential Transmitter Data input with standard PECL techniques at
the transmitter input pin.
Transmitter Power Supply
9
@
9
9
V
< V
> V
EET
EET
EET
+1.2 V.
EET
CCT
+0.7 V.
CCT
+1.7 V.
< V
-1.5 V < V
-4.2 V < V
7
< V
CCT
7
7
< V
-4.2 V or open circuit.
< V
CCT
CCT
-1.5 V.
CCT
CCR
pin.
pin.