Dialogic SS7G22, SS7G21 manual Back Panel, Description Informatio

Dialogic® SS7G21 and SS7G22 Signaling Servers Hardware Manual Issue 7

5.3Back Panel

Figure 4 shows the back panel connectors and Table 4 summarizes their function.

Figure 4. Back Panel Connectors and Indicators

ENET	ENET		Signaling	Hot-Swap	AC Power Input
LNK B	LNK A	Alarms	Boards	Power Supply(s)	PSU1 PSU2

	3		3
	2		2			PSU1	Filler
							Module
	1		1				OR
							PSU2
						AC Power Supply Option Shown
USB 1	ENET 2	ENET 1	COM2	USB 0	System ID LED
			(Rear)		(Blue, Inside Grill)
					Safety		Filler
Unused	Unused		Unused		Ground	PSU1
							Module
Port	Port		Port		Studs		OR
					DC Power Input		PSU2
					Terminal Block

	DC Power Supply Option Alternative
Table 4. Back Panel Connectors and Indicators
		More
Item	Description	Informatio
		n
ENET LNK A, ENET LNK B,	Ethernet RJ-45 connectors. ENET LNK A, B are provided by a pre-installed, low-profile	Section 6.6
ENET 1 and ENET 2	PCI NIC. ENET 1, 2 are provided by the Server Board.
Alarms	Telco alarms DB15 connector.	Section 6.8
	Up to three, each featuring PCM ports and possibly SS7 serial interfaces depending on
SS7 Signaling Boards	the board type. The board positions are marked with numbers, 1 (bottom), 2 (middle)	Section 2.7
	and 3 (top), to facilitate port identification. These numbers are used when setting the
	unit configuration.
	Power Supply Module(s): AC and DC Power Supply Modules require different Power
	Supply Cages. As standard, the product is supplied with a single Power Supply Module
Hot-Swap Power Supplie(s)	fitted in the left position (as viewed from the rear), and a filler module in left position.	Section 2.3
	Redundant, hot-plug configuration is possible by installing a second Power Supply
	Module.
AC Power Input, PSU1 and PSU2	AC power input connectors to Power Supply Modules 1 and 2.	Section 6.3
Safety Ground Studs	Two 8-32 UNC safety ground studs for attachment of safety ground conductor to product	Section 6.2
	for earthing purposes. Use only with DC powered product.
DC Power Input Terminal Block	Two sets of DC power input terminals.	Section 6.1
System ID	A system ID LED (blue) behind the grill, that can be used to highlight the unit in a rack of	Section 3.9
	units. The LED is activated by the ID switch on the front panel.
USB 0, USB 1	Standard USB connectors.	N/A
COM2 (Rear)	COM2 serial port, RJ-45 connector	Section 6.7

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