252301 Issue 2.0 - 第69页

GEM Manual for DEK Printers SECS II Implementation I ssue 2.0 June 9th, 2011 page 69 of 156 S1F17 On-Line Control State Re quest S1F18 On-Line Control State Ac knowledge Description: Enables the host to reque st that the…

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GEM Manual for DEK Printers SECS II Implementation
Issue 2.0 June 9th, 2011 page 68 of 156
S1F13 Establish Communications Request (CR)
S1F14 Establish Communications Request Acknowledge (CRA)
Description: This transaction is used to establish the communications link after power
up and communications failure (Exceed RTY).
A. Host Initiated
Host to equipment: S1F13
Structure: L,0
Equipment to host: S1F14
Structure: L,2
1. <COMMACK>
2. L,2
1. <MDLN>
2. <SOFTREV>
B. Equipment Initiated
Equipment to host: S1F13
Structure: L,2
1. <MDLN>
2. <SOFTREV>
Host to equipment: S1F14
Structure: L,2
1. <COMMACK>
2. L,0
S1F15 Off-Line Control State Request
S1F16 Off-Line Control State Acknowledge
Description: Enables the host to request that the equipment enters the Off-Line control
state.
A. Host Initiated
Host to equipment: S1F15
Structure: Header only
Equipment to host: S1F16
Structure: <OFLACK>
B. Equipment Initiated - Not applicable.
GEM Manual for DEK Printers SECS II Implementation
Issue 2.0 June 9th, 2011 page 69 of 156
S1F17 On-Line Control State Request
S1F18 On-Line Control State Acknowledge
Description: Enables the host to request that the equipment enters the On-Line control
state.
A. Host Initiated
Host to equipment: S1F17
Structure: Header only
Equipment to host: S1F18
Structure: <ONLACK>
B. Equipment Initiated - Not applicable.
GEM Manual for DEK Printers SECS II Implementation
Issue 2.0 June 9th, 2011 page 70 of 156
6.4 STREAM 2: EQUIPMENT CONTROL AND DIAGNOSTICS
S2F13 Equipment Constant Request (ECR)
S2F14 Equipment Constant Data (ECD)
Description: ECR is a request for the equipment constant values associated named by
ECID.
A. Host Initiated
Host to equipment: S2F13
Structure: L,n
1. <ECID
1
>
.
.
n. <ECID
n
>
Exception: If n = 0, then all ECV’s are to be reported.
Equipment to host: S2F14
Structure: L,n If n = 0, then no response exits.
1. <ECV
1
> A zero length ECV means that the ECID
. does not exist
.
n. <ECV
n
>
B. Equipment Initiated - Not applicable.