User Manual

Chapter 1: Introduction
GE-DSH-73/DSH-82 and DSH-82-PoE User Manual 7
Share Data Buffer 1Mbit
Maximum Frame Size 1522 Bytes packet
Flow Control
Back pressure for Half-Duplex
IEEE 802.3x Pause Frame for Full-Duplex
LED
Per unit:
Power (Green), Ring
Master (Green), Power
1 (Green), Power 2
(Green), Fault (Red)
8 port 10/100:
Link/Activity (Green),
Full duplex/Collision
(Yellow)
2 SFP port:
LNK/ACT(Green)
2 1000T:
LNK/ACT(Green),
1000M(Green)
Per unit:
Power (Green), Ring
Master (Green), Power 1
(Green), Power 2 (Green),
Fault (Red)
8 port 10/100:
Link/Activity (Green), Full
duplex/Collision (Yellow)
2 SFP port:
LNK/ACT(Green),
2 1000T:
LNK/ACT(Green),
1000M(Green)
PoE:
PoE In-use (Green)
Per unit:
Power (Green), Ring
Master (Green), Power
1 (Green), Power 2
(Green), Fault (Red)
7 port 10/100:
Link/Activity (Green),
Full duplex/Collision
(Yellow)
3 SFP port:
LNK/ACT(Green)
3 1000T:
LNK/ACT(Green),
1000M(Green)
DI/DO ---
2 Digital Input (DI):
Level 0: -30~2V
Level 1: 10~30V
Max. input current: 8mA
2 Digital Output(DO):
Open collector to 40VDC,
200mA
---
ESD Protection 4KV DC 6KV DC 6KV DC
EFT Protection 3KV DC 3KV DC 3KV DC
Console Interface One RJ-45-to –RS-232 male connector for switch management
Power Over Ethernet
PoE Standard ---
IEEE 802.3af PSE (Power
Sourcing Equipment)
---
Units can be Powered --- 8 ---
PoE Power Output ---
48V DC, Max. 15.4 watts,
350mA
---
Power Pin Assignment --- 1/2(+), 3/6(-) ---