Verilink DIDCSU 2912 (880-502646-001) Product Manual - Manual (Page 16)

DIDCSU 2912 Overview
1-10 Verilink DIDCSU 2912 User Manual
Specifications
Table 1-3 DIDCSU Specifications
Item Specification
Number of ports 4 per module (2 network and 2 data)
Transmission (Line) rate T1—1.544 Mbit/s, RX: ± 200 ppm; TX: ± 32 ppm
E1—2.04 Mbit/s, RX: ± 200 ppm; TX: ± 32ppm
Line code T1—B8ZS, AMI
E1—HDB3
Framing format T1—ESF, SF
E1—CRC-4
CPE impedance T1—100 Ω ± 5% at 772 KHz test
E1—120 Ω ± 5% or 75 Ω ± 5% @ 1024 KHz
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, DSX-1
Output LBO (selectable) 0, 7.5, 15, or 22.5 dB (0 to 3000 feet)
Loopbacks Line, Data port, Repeater, Payload
Timing Modes: Network, External, and Internal
External System Port T1—8-pin DIN
External System Port E1—BNC, 8-pin DIN
Operating temperature 0 o C to +50 o C
Storage temperature -20 o C to +80 o C
Humidity 5% to 95%, relative, non-condensing
Input voltage range + 5.5 V
DC
@ 4 A
Power consumption 10 watts per card, maximum
Front module input voltage
requirement
+ 5.5 V
DC
Front module current requirement 1.1 A
CIM input voltage requirement + 5 . 0 V
DC
CIM current requirement 700 mA
DC