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SS7G21 and SS7G22 Signaling Servers Hardware Manual Issue 7
5.3 Back Panel
Figure 4 shows the back panel connectors and Table 4 summarizes their function.
Figure 4. Back Panel Connectors and Indicators
Table 4. Back Panel Connectors and Indicators
Item Description
More
Informatio
n
ENET LNK A, ENET LNK B,
ENET 1 and ENET 2
Ethernet RJ-45 connectors. ENET LNK A, B are provided by a pre-installed, low-profile
PCI NIC. ENET 1, 2 are provided by the Server Board.
Section 6.6
Alarms Telco alarms DB15 connector. Section 6.8
SS7 Signaling Boards
Up to three, each featuring PCM ports and possibly SS7 serial interfaces depending on
the board type. The board positions are marked with numbers, 1 (bottom), 2 (middle)
and 3 (top), to facilitate port identification. These numbers are used when setting the
unit configuration.
Section 2.7
Hot-Swap Power Supplie(s)
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
fitted in the left position (as viewed from the rear), and a filler module in left position.
Redundant, hot-plug configuration is possible by installing a second Power Supply
Module.
Section 2.3
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
for earthing purposes. Use only with DC powered product.
Section 6.2
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
units. The LED is activated by the ID switch on the front panel.
Section 3.9
USB 0, USB 1 Standard USB connectors. N/A
COM2 (Rear) COM2 serial port, RJ-45 connector Section 6.7
USB 1
Unused
Port
Unused
Port
ENET 1
USB 0
Unused
Port
COM2
(Rear)
Alarms
Hot-Swap
Power Supply(s)
AC Power Inp
ut
AC Power Supply Option Show
n
DC Power Supply Option Alternative
Safety
Ground
Studs
DC Power Input
Terminal Block
Signaling
Boards
3
2
1
ENET
LNK B
ENET
LNK A
ENET 2
PSU
2
PSU1
Filler
Module
OR
PSU2
3
2
1
PSU1
Filler
Module
OR
PSU2
PSU1
System ID LED
(Blue, Inside Grill)