Specifications

Dialogic
®
DSI SS7MD Network Interface Boards Programmer's Manual Issue 4
9
• Pulse mask
— T1: ANSI T1.403
— E1: ITU-T G.703
— J1: TTC JT-G.703
• Data rate
— T1: 1544 kbits/s ± 50 ppm
— E1: 2048 kbits/s ± 50 ppm
— J1: 1544 kbits/s ± 50 ppm
• Frame format
— T1: F4, D3/D4, ESF, and F72/SLC96
— E1: E1 and E1-CRC4
— J1: J1 frame format
• Line codes
— T1: B8ZS and AMI
— E1: HDB3 and AMI
— J1: B8ZS and AMI
• Connector type
— RJ-48C
2.2.3 Capacity
The SS7 link capacity of the DSI SS7MDL4 board is as follows:
Table 1. SS7 Link Capacity of the Dialogic
®
DSI SS7MDL4 Network Interface Board
Link type
Max. number of links
per board
Q.703 LSL (64kbit/s)
124
Q.703 LSL (56kbit/s)
123
Q.703 LSL (48kbit/s)
123
Q.703 Annex A HSL Framed
4
Q.2140/Q.2110 Q.SAAL links (terminated)
128
AAL5 (including Q.SAAL) links (monitored)
128
ATM cell streams
4
Note: In order to monitor both directions of a signaling link, the user must separately connect
each direction of the signaling link to the receive connection of two different LIUs on the
DSI SS7MDL4 board.