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參數(shù)資料
| 型號： | SY15-S3 |
| 元件分類： | 通信、網(wǎng)絡(luò)模塊及開發(fā)工具 |
| 英文描述： | Telecomm/Datacomm |
| 中文描述： | 電信/數(shù)據(jù)通信 |
| 文件頁數(shù)： | 5/6頁 |
| 文件大小： | 169K |
| 代理商： | SY15-S3 |
SYNCHRONOUS EQUIPMENT
STRATUM 3 CLOCK UNIT WITH HF OUTPUTS – SY15-S3
RALTRON ELECTRONICS CORP.
!
10651 N.W.19
th
St
!
Florida 33172
!
U.S.A.
Tel: 305 593-6033
!
Fax: 305-594-3973
!
e-mail: sales@raltron.com
!
Internet: http://www.raltron.com
Figure 2 – Bottom view
On the picture below it is shown the pin-out for the SY15-S3. The design is done in such a way that is can support basically any
other pin-out without changes in the hardware. For other pin-out requirement please contact the Raltron.
Pin #
Name
1
HOLDOVER
Holdover Signal -> the output is high when the unit is in holdover mode
2
REF 1
Reference 1 Signal -> the output is high when the unit is using the reference 1
3
REF 2
Reference 2 Signal -> the output is high when the unit is using the reference 2
4
REF 3
Reference 3 Signal -> the output is high when the unit is using the reference 3
5
REF 4
Reference 4 Signal -> the output is high when the unit is using the reference 4
6
REF 5
Reference 5 Signal -> the output is high when the unit is using the reference 5
7
FREERUN
Free-run Signal -> the output is high when the unit is in the free run mode
8
RESET
Reset -> input signal, reset the module
9
GND
Ground
10
EX REF 5
External Reference 5 Input -> the input signal from reference 5
11
ALARM OUT
Alarm signal -> the output is high when there is an alarm in the module.
12
REV
Revertive Input-> to set revertive mode (low), to disable revertive mode set the pin high.
13
CNT 1
Control Input 1 -> the external input for selecting mode of the unit – see table above.
14
CNT 2
Control Input 2 -> the external input for selecting mode of the unit – see table above.
15
CNT 3
Control Input 3 -> the external input for selecting mode of the unit – see table above.
16
AUTS
Automatic Switching Input -> to select automating switching between references (low), to disable set high.
17
PLL UNLOCK
PLL Unlocked Signal -> the output is high when the unit is not locked to any of the references
18
GND
Ground
19
OUT1
Output 1 complementary -> Complementary signal from the Output 1
20
OUT 1
Output 1 -> Signal from the O1
21
ENOUT1
Enable Output 1-> Signal enable output 1 when low
22
PVDD
PECL VDD -> +3.3V, power supply for PECL and VCSO
23
OUT3
Output 3 complementary -> Complementary signal from the Output 3
24
OUT3
Output 3 -> Signal from the O3
25
ENOUT3
Enable Output 3-> Signal enable output 3 when low
26
GND
Ground
27
OUT2
Output 2 complementary -> Complementary signal from the Output 2
28
OUT2
Output 2 -> Signal from the O2
29
ENOUT2
Enable Output 2-> Signal enable output 2 when low
30
EX REF 4
External Reference 4 Input -> the input signal from reference 4
31
EX REF 3
External Reference 3 Input -> the input signal from reference 3
32
EX REF 2
External Reference 2 Input -> the input signal from reference 2
33
EX REF 1
External Reference 1 Input -> the input signal from reference 1
34
VCC
Positive Voltage Supply
For other pin-out configurations contact the factory!
PIN ASSIGNMENT
Description
34
33
32
31
30
29
28
27
26
1
2
3
4
5
6
7
8
9
VCC
EX REF 2
EX REF 4
OUT2
GND
OUT3
PVDD
OUT1
GND
HOLDOVER
REF 2
REF 4
FREERUN
GND
ALARM OUT
CNT 1
CNT 3
PLL UNLOCK
10
11
12
15
13
14
16
17
18
19
20
21
22
23
24
25
REF 1
REF 3
REF 5
RESET
EX REF5
REV
AUTS
CNT 2
OUT1
ENOUT1
OUT3
ENOUT3
OUT2
ENOUT2
EX REF 3
EX REF 1
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