ZyXEL Communications Multi-service Access Platform MSAP2000 - Manual (Page 231)

11. System Parameter Specification
MSAP2000 Technical Manual V3.0 11-2
11.2. STM-4
The following parameters will apply to module of SM4 (7.13).
Standard
specification
Complies with ITU-T G.957
Nominal Line
Rate
622.08Mbps
Optical Line Code
Binary Non-Return-to Zero
Application Code
S-4.1 , L-4.1, L-4.2, ER-1 or ER-2.
Connector
LC connector through SFP transceiver module
Transmission
Parameter
Application
Code
λ
IR-1/ S-4.1
LR-1/L-4.1
LR-2/L-4.2
ER-1
ER-2