Raisecom
Gazelle ST2028i (A) Hardware Description
2 Structure
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
6
2.2 Interfaces and buttons
Service interfaces
The Gazelle S2028i provides up to 4 uplink interfaces, including the 1000 Mbit/s RJ45
electrical interface and SFP optical interface. Moreover, it supports up to 20 downlink
interfaces, including the 100 Mbit/s RJ45 electrical interface, 1×9 (SC/PC or ST/PC) optical
interface, and SFP optical interface.
The Gazelle S2028i provides multiple interfaces to access services. Table 2-1 lists service
interfaces of the Gazelle S2028i.
Table 2-1
Service interfaces
Interface
Slot
Interface
type
Card type
Description
Interface
quantity
1000
Mbit/s
service
interface
S1–S2
SFP optical
interface
1000 Mbit/s
service
interface card
Support the following
optical module types:
1000BASE-X
100BASE-FX
4
RJ45
electrical
interface
1000 Mbit/s
service
interface card
10/100/1000BASE-T
100
Mbit/s
service
interface
S3–S7
SFP optical
interface
100 Mbit/s SFP
interface card
Support the following
optical module types:
100BASE-FX
20 (S6 and
S7 support
the 100
Mbit/s
interface
card)
RJ45
electrical
interface
100 Mbit/s
RJ45 interface
card
10/100BASE-TX
1×9 ST/PC
optical
interface
100 Mbit/s SFP
1×9 ST/PC
interface card
100BASE-FX
1×9 SC/PC
optical
interface
100 Mbit/s SFP
1×9 SC/PC
interface card
100BASE-FX
Serial
interface
S7
RJ45 serial
interface
Serial interface
card
Support the following
standards:
RS-232
RS-422
RS-485
4 (S7
supports
serial
interface
card)
Functional interfaces
Table 2-2 lists functional interfaces of the Gazelle S2028i.