
QPRI 2921 Dual-Port ISDN Primary Rate Interface
Verilink QPRI 2921 1-5
Figure 1-3 CIM Configurations
NOTE:
Equipment Ports 1 and 2 require adapter cables to properly
interface with native connectors.
Specifications
Table 1-1 QPRI General Specifications
Number of Ports
4 per module)
Transmission (Line) Rate
1.544 Mbit/s, RX:
±
200 ppm; TX:
±
32
Line Code
B8ZS, AMI
Framing Format
ESF, SF
CPE Impedance
100
Ω
±
5% at 772 KHz test
Transmission Level
0 dB
Input Level CIMs
: 3.0 V
±
0.3 V base-to-peak, attenuated by 0 to 27.5 dB
Output Level
3.0 V
±
0.3 V base-to-peak or
DS1 into 100
Ω
at 0 dB LBO
INPUT
RELAY
NO COM NC
DS-1
PORT 2
ALARM
EXT TIMING
CIM
2064
311-101467-001
PORT 1PORT 4 PORT 3
INPUT
RELAY
NO COM NC
DSX-1
PORT 2
ALARM
EXT TIMING
CIM
2068
311-101500-001
PORT 1PORT 4 PORT 3
INPUT
RELAY
NO COM NC
NET 2
ALARM
EXT TIMING
CIM
29003
311-101501-001
NET 1CPE CPE 1
DSX-1 DS-1
CIM 2064, Four Net Ports (DS1)
CIM 2068, Four Equipment Ports (DSX-1)
CIM 29003, Two Equipment Ports, Two Net Ports (DSX-1, DS1)
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