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參數(shù)資料
| 型號： | HFCT-5215D |
| 英文描述： | Conversion adapters; HRS No: 311-0008-0 40; Connector Type: Adapter; Impedance (ohm): 50; Mating/Unmating Cycles: 5000; Contact Mating Area Plating: Silver; Operating Temperature Range (degrees C): -55 to 85; General Description: BNC-Plug/M-Jack Conversion adapter |
| 中文描述： | 155 Mb / s的ATM的單模激光收發(fā)器。 SONET的OC-3/SDH的STM - 1（L1.1） |
| 文件頁數(shù)： | 20/20頁 |
| 文件大小： | 503K |
| 代理商： | HFCT-5215D |
9
Table 1. Pinout Table
1 = V
EER
2 = RD
3 = RD
4 = SD
5 = V
CCR
6 = V
CCT
7 = TD
8 = TD
9 = V
EET
N/C
N/C = NO INTERNAL CONNECTION
(MOUNTING POSTS) - CONNECT
TO CHASSIS GROUND OR LEAVE
FLOATING, DO NOT CONNECT TO
SIGNAL GROUND.
TOP VIEW
Pin
Symbol
Functional Description
Mounting Studs
The mounting studs are provided for transceiver mechanical attachment to the circuit boards,
they are embedded in the metalized plastic housing and are not connected to the transceiver
internal circuit. They should be soldered into plated-through holes on the printed circuit board
and not connected to signal ground.
1VEER
Receiver Signal Ground
Directly connect this pin to receiver signal ground plane. Receiver VEER and transmitter VEET
can connect to a common circuit board ground plane.
2
RD+
Receiver Data Out
Terminate this high-speed, differential, PECL output with standard PECL techniques at the
follow-on device input pin.
3
RD-
Receiver Data Out Bar
Terminate this high-speed, differential, PECL output with standard PECL techniques at the
follow-on device input pin.
4
SD
Signal Detect
Normal input optical signal levels to the receiver result in a logic "1" output (VOH).
Low input optical signal levels to the receiver result in a fault condition indication shown by a
logic "0" output (VOL).
If Signal Detect output is not used, leave it open-circuited.
This Signal Detect output can be used to drive a PECL input on an upstream circuit, such as,
Signal Detect input or Loss of Signal-bar.
5VCCR
Receiver Power Supply
Provide +5 V dc via the recommended receiver VCCR power supply filter circuit.
Locate the power supply filter circuit as close as possible to the VCCR pin.
6VCCT
Transmitter Power Supply
Provide +5 V dc via the recommended transmitter VCCT power supply filter circuit.
Locate the power supply filter circuit as close as possible to the VCCT pin.
7
TD-
Transmitter Data In Bar
Terminate this high-speed, differential, Transmitter Data input with standard PECL techniques
at the transmitter input pin.
8
TD+
Transmitter Data In
Terminate this high-speed, differential, Transmitter Data input with standard PECL techniques
at the transmitter input pin.
9VEET
Transmitter Signal Ground
Directly connect this pin to the transmitter signal ground plane. Transmitter VEET and receiver
VEER can connect to a common circuit board ground plane.
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