ADM-1/4 technical data

 STM-1/4 optical



 Suitable SFP Modules
 up to 2 interfaces on central module

 SFF-8472, SFF-8074i,
 MSA Digital Diagnostics Monitor compliant,
 SFP Transceiver MSA Spec.

 optical STM-1/4 up to 120km, ITU-T G.957, Electrical STM-1
 Radio Protection
 up to 2 radio modules with one interface
 1+1 HSB/FD/SD, hitless
 Number of interfaces on the central module

 Number of interfaces in the supporting module

 ITU-T Rec., rate

 Nominal impedance
 8xE1 - SDR TM8E1

 G.703 point 6., 2.048 kbit/s

 asymmetrical 75 Ohm, symmetrical 150 Ohm
 Number of interfaces in the supporting module

 ITU-T Rec.,  rate

 Nominal impedance
 3xE3 - SDR TM3E3

 G.703 point 8; 34.386  kbit/s

 75 Ohm
 Number of Ethernet interfaces on the central module 

 Types of Ethernet 10/100 interfaces

 Types of Ethernet 1000 interfaces 
 6xEthernet 10/100,
 1xEthernet 1000

 10 Base-T/100 Base-T (RJ45)

 1000 Base-SX/LX/CX SFP module (optional electrical RJ45 SFP)
 Capacity crossconnect



 Ethernet over SDH (EoS)

 incoming - 32хSTM-1 (5Gb/s);
 outgoing - 16xSTM-1 (2.5 Gb/s),

 VC-12, VC-3, VC-4


 ITU-T G.7041, GFP (Generic Framing Procedure);
 ITU-T G.707/Y.1322 in G.783, VCAT (Virtual Concatenation);
 ITU-T G.7042/Y.1305 LCAS (Link Capacity Adjustment Scheme);
 up to 8 VCG (Virtual Concatenated Groups);
 L2 switch for FE 

 standard: ITU-T G.813; 
 sources: T1, T2, T3, E1 (framed/unframed);
 outputs: T4, E1 (framed/unframed)


 SNMP, Telnet

 10/100 Base-T, RS-232

 fault, performances, configuration, access management


 EMC compatibility
 -5°С...+45°С/8...100% ETSI EN 300 019 class 3.1Е

 ETSI EN 300 019 class 1.1/class 2.3 

 ETSI 301 489-4 
 Power Supply
 Power consumption 1U/2U
 from 20 V to 72 V, ETSI EN 300 132 
 <20 W/<35 W 
 Dimensions 1U/2U (H х W х D)
 Weight 1U/2U
 45 х 442 х 240 mm / 86 x 442 x 240 mm
 3,26 kg / 6,05 kg