Verilink DCSU 2911 (880-502647-001) Product Manual - Manual (Page 13)

DCSU 2911 Dual Channel Service Unit
Verilink DCSU 2911 User Manual 1-5
Specifications
The following specifications apply to the DCSU 2911 module.
Table 1-1 DCSU Specifications
Table 1-2 Connector Interface Module Specifications
T1 (CSU) CEPT E1 (NTE)
Number of Ports 4 per module (2 network, 2 data) 4 per module (2 network, 2 data)
Transmission (Line)
Rate 1.544 Mbit/s, Rx: ± 200 ppm;
Tx: ± 32
2.048 Mbit/s ± 50 ppm
Line Code AMI, B8ZS HDB3
Framing Format Unframed, SF, and ESF with FDL CRC-4, CAS, FAS
CPE Impedance 100 Ω ± 5% at 772 KHz test CIM 29001 LP: 75 Ω ± 5%
CIM 29002 LP: 120 Ω ± 5% at
120 MHz
Input Level CIM 29003: 3.0 V ± 0.3 V base-to-
peak, attenuated by 0 to 27.5 dB
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
DSX-1 into 100 Ω at 0 dB LBO
3.0 V ± 0.3 V base-to-peak into
120 Ω
Output LBO
(selectable) 0, 7.5, 15, or 22.5 dB (0 to 3000
feet)
N/A
Equalization
CIM 29003 (in feet):
0-133
133-266
266-399
399-533
533-655
N/A
Loopbacks Line, Payload, Local Line, Payload, Local
Timing Modes: Network, External, and
Internal
External System Port T1—8-pin DIN
Modes: Network, External, and
Internal
External System Port E1—BNC,
8-pin DIN
CIM Module Electrical Interface Physical Interface Bandwidth Capacity
CIM 29001 LP E1 BNC (female) 75 Ω 2.048 Mbit/s
CIM 29002 LP E1 RJ-48 (8-pin) 120 Ω 2.048 Mbit/s
CIM 29003 T1 DS-1/T1 DSX-1 RJ-48 (8-pin) 100 Ω 1.544 Mbit/s