Cisco Systems. Symmetricom TimeSource 500

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Cisco Systems. Symmetricom TimeSource 500 | Manualzz

S S S S S S S S S S S S S S S S S S S S S S S S S S S S S

Time of Day Outputs (cont’d)

Cisco Systems

Connector Type:

Connector Label:

Connector Location:

Electrical Interface:

Baud Rate:

Bit Configuration:

Data Format:

RJ-45

TOD

Rear panel

RS-485

9600 b/s

8 data bits, No parity, 1 stop bit

See Figure 42

2

Figure 42. Cisco Systems Data Format

Example:

1 2 3 4 5 6 7 8 9 10 11 12 13 14

3

1 Satellite availability: * = valid, ! = not valid

2 Revision

3 Modified Julian date (number of days past midnight, Nov 17, 1858)

4 Year/month/day

5 Hours:minutes:seconds

6 Indicator of time zone offset (+, –, or 0)

7 Time zone offset

8 Leap second indicator

9 Latitude

10 Longitude

11 Altitude above mean sea level in meters

12 Alarm severity: EV = event, MN = minor, MJ = major, CL = critical

13 Alarm source

14 Alarm cause: holdover, BT3 warm-up, or hardware fault

TimeSource 3500

Specifications

097-72050-01 Issue 7: August 2003

279

6

S S S S S S S S S S S S S S S S S

Time of Day Outputs (cont’d)

S S S S S S S S S S S S

IRIG-B TOD Outputs

(990-72050-05 System Only)

Connector Type: BNC

Connector Labels: OUT1

OUT2

Connector Location: OPTION I/O wire-wrap pins on rear panel and output module

600 Ω Impedance:

Number of Outputs:

Type of Output:

Amplitude:

2

Amplitude modulated

6 V peak-to-peak maximum terminated with

600 Ω

Time Format:

Binary Coded Decimal (BCD):Seconds:

Non BCD:

Minutes:

Hours:

Days:

0 – 59

0 – 59

0 – 23

0 – 364

Years: 0 – 99

Seconds of day:0 – 86399

280

TimeSource 3500

Specifications

097-72050-01 Issue 7: August 2003

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