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1275T / 1285T Series
Digital Clock Display
SPECIFICATION
Revision 1.0
Page - 7
3.
SPECIFICATIONS
The following section stipulates the key specifications regarding the product’s hardware and software
monitoring elements.
Figure
3-1: 1275T/1285T Rear Panel
3.1.
FUNCTIONAL
Code Input
SMPTE/EBU ST 12-
2 LTC Time Code 20kΩ balanced or unbalanced or
optional NTP DQS-B6
3.2.
SERIAL PORT
Connector
Female DB-9
Level
RS-232
Baud Rate
57.6kBaud
Format
8 data bits, no parity, 2 stop bits
3.3.
TIME KEEPING
Accuracy
< 2 seconds per day with power on, no time code present
< 10 seconds / day with power removed.
Time One Offset
0 to 23 ½ hours in ½ hours increments set with menu.
3.4.
ETHERNET
Network Type
Ethernet 100 Base-TX IEEE 802.3u standard for 100Mb/s baseband
CSMA/CD local area network. Ethernet 10 Base-T IEEE 802.3 standard or
10Mb/s baseband CSMA/CD local area network
Connector
RJ-45
NTP Standard
RFC-1305 complaint, client mode support
3.5.
ELECTRICAL
Backup Battery Type
CR-2032 3 volt lithium cell
Life Expectancy
> 5 years
Power
12V DC, 15W auto ranging 100 to 240V AC, 50/60Hz adapter included
IEEE 802.3af PoE
Power Supply
UL Listed