Raisecom
Gazelle ST2028i (A) Hardware Description
2 Structure
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
7
Table 2-2
Functional interfaces
Interface
Slot Interface type Card type
Description
Interface
quantity
GPS input
interface
S6
BNC interface
GPS card
Used to provide 5
VDC power for the
GPS antenna.
1
IRIG-B
TTL input
interface
S6
BNC interface
GPS card
TTL level input
1
IRIG-B
TTL output
interface
S6
BNC interface
GPS card
TTL +5 V level input,
posedge reference
1
IRIG-B AM
output
interface
S6
BNC interface
GPS card
Vp-p The modulation
ratio is configurable
through software.
1
–
S8
–
PTP card
IEEE1588 clock card,
no interface on the
panel
–
Management and auxiliary interfaces
Table 2-3 lists the management and auxiliary interfaces of the Gazelle S2028i.
Table 2-3
Management and auxiliary interfaces
Interface
Type
Description
Console
interface
CONSOLE
RJ45
Connected to the terminal through console
cable to manage local devices
Alarm
output
interface
ALM
5.08 mm × 3-PIN
Phoenix terminal
Used to report alarms.
Power
interface
POWER1
POWER2
7.62mm × 5-PIN
Phoenix terminal
Used for power input
The voltage rating prints of the power
interface vary with powers of different
specifications.
Button
Table 2-4 lists the button on the Gazelle S2028i