help • 15 ISDN connections • Installation of the ISDN Cards • Preparation of SX2-express SinglePRI / SX2-express DualPRI
15.2.2 Preparation of SX2-express SinglePRI / SX2-express DualPRI
The connection configuration must be configured for each E1 connection before it is inserted.
Requirement for further description: Requirement for further description: The SX2-express SinglePRI / SX2-express DualPRIis lying in front of you with the PCI plug strip facing down and the E1 connections to the left.
A jumper field, which are in the near vicinity of the E1 connection plug, are assigned to each E1 connection.
Connection Configuration
The connection configuration allows each E1 connection of the SX2-express SinglePRI or SX2-express DualPRI to be adapted to four different cable assignments.
Fig. 15-4: Counting pins of the connector plug (RJ45)
Jumper
Pin configuration, RJ45 jack
Pin1 = TX+
Pin2 = TX-
Pin4 = RX+
Pin5 = RX-
Pin6 = TX+
Pin3 = TX-
Pin4 = RX+
Pin5 = RX-
Pin1 = RX+
Pin2 = RX-
Pin4 = TX+
Pin5 = TX-
Pin6 = RX+
Pin3 = RX-
Pin4 = TX+
Pin5 = TX-
 
Configuration of the card number
You can set the card number with the six-pole DIP switch in the upper middle of the SX2-express SinglePRI / SX2-express DualPRI.
Only Dip switches 1 to 4 are used. The following assignment is valid:
Switch 1
Switch 2
Switch 3
Switch 4
Card number
on
off
off
off
1
off
on
off
off
2
on
on
off
off
3
off
off
on
off
4
on
off
on
off
5
off
on
on
off
6
on
on
on
off
7
off
off
off
on
8
on
off
off
on
9
off
on
off
on
10
on
on
off
on
11
off
off
on
on
12
on
off
on
on
13
off
on
on
on
14
on
on
on
on
15
off
off
off
off
assigned automatically
* 
If you use several cards in one system, please make sure that either one card number was assigned for all cards, or automatic card number assignment is set for all cards.
 
PCM bus connection
The SX2-express SinglePRI / SX2-express DualPRI has two 20-pole jacks for connection with an optional PCM cable.
The upper jack is the output. The lower jack is the input. Connect the SX2 cards with the PCM cable, by connecting the output jack of one card to the input jack of another card.
LED Status Display
Each E1 connection of the SX2-express SinglePRI / SX2-express DualPRI has a status display consisting of two red and two green LEDs.
The following assignments are valid:
LED
LED
Statement
1
off
Layer 1 deactivated
1
red glowing
Layer 1 activated
2
green glowing
Layer 2 activated
3
green, blinking
At least one connection is active
4
red, blinking
The line is being configured