Data Interfaces; Automatic Uplink Power Control - Comtech EF Data CDM-Qx Installation And Operation Manual

CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier®
Introduction
1.5.3

Data Interfaces

Note: Features not in the initial product release are identified in parentheses.
EIA-530
EIA-530
(3 selectable modes)
G.703 (Balanced)
G.703 (Unbalanced)
Multi-Port G.703 (Bal)
1 to 4 Ports E1 w/ D&I
EIA-612 / 613
(HSSI)
Modem Alarms
(Present on all
modules)
Serial Remote Control
10/100BaseT
1.5.4

Automatic Uplink Power Control

Operating Mode
Target Eb/No range
Max AUPC range
Monitor functions
Synchronous RS-232
EIA-422/EIA-530 DCE (Rates up to 12 Mbps)
Also supports X.21(Rates up to 2.048 Mbps)
V.35 DCE (Rates up to 12 Mbps)
Synchronous RS-232 (Rates up to 300 kbps)
1.544 Mbps T1 (Balanced 100 Ω)
2.048 Mbps E1 (Balanced 120 Ω)
1.544 Mbps T1 (unbalanced 75 Ω)
2.048 Mbps E1 (unbalanced 75 Ω)
8.448 Mbps E2 (unbalanced 75 Ω)
2.048 Mbps E1 (balanced 120 Ω)
Note: All 4 ports must be synchronous
EIA-612/EIA-613 (Rates up to 20 Mbps)
Relay outputs (Tx, Rx & unit faults)
Demodulator I & Q test outputs (constellation)
Demodulator Rx Signal Level output (0 to 2.5 volts)
External carrier off input
EIA-232 or EIA-485 modem control and monitoring
IP based monitoring & control
Requires Closed Network Framed mode for transport of Eb/No information from remote
modem (EDMAC can be enabled or disabled)
0 to 9.9 dB at remote demod (default is 4.0 dB)
0 to 9 dB (default is 3 dB)
Remote demod Eb/No
Tx power level increase
(front panel or via remote control interface)
25-pin D-sub (female)
15-pin D-sub (female)
BNC (female)
(4) RJ-45 Ports
50-pin, mini-D SCSI-II
HSSI (female)
15-pin D-sub (male)
9-pin D-sub (male)
RJ-45
1–18
Revision 7
MN/CDMQx.IOM